HARSLE Electrical Parameter Calculator<\/title>\n <style>\n * {\n box-sizing: border-box;\n margin: 0;\n padding: 0;\n }\n\n .electrical-calculator {\n max-width: 800px;\n margin: 0 auto;\n padding: 20px;\n font-family: inherit;\n background: #ffffff;\n }\n\n .calculator-header {\n text-align: center;\n margin-bottom: 30px;\n background: linear-gradient(135deg, #3498db, #2980b9);\n padding: 25px;\n border-radius: 12px;\n color: white;\n }\n\n .calculator-title {\n font-size: 2.2em;\n color: white;\n margin-bottom: 10px;\n font-weight: 600;\n }\n\n .calculator-subtitle {\n font-size: 1.1em;\n color: rgba(255, 255, 255, 0.9);\n margin-bottom: 5px;\n }\n\n .input-section {\n background: transparent;\n padding: 25px;\n border-radius: 12px;\n margin-bottom: 25px;\n box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);\n border: 1px solid rgba(255, 255, 255, 0.2);\n backdrop-filter: blur(10px);\n transition: transform 0.3s ease, box-shadow 0.3s ease;\n }\n\n .input-section:hover {\n transform: translateY(-2px);\n box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);\n }\n\n .input-group {\n margin-bottom: 20px;\n }\n\n .input-label {\n display: block;\n margin-bottom: 8px;\n font-weight: 500;\n color: #2c3e50;\n font-size: 1.05em;\n }\n\n .input-field {\n width: 100%;\n padding: 12px 15px;\n border: 2px solid #e0e6ed;\n border-radius: 8px;\n font-size: 1em;\n transition: border-color 0.3s ease;\n background: white;\n }\n\n .input-field:focus {\n outline: none;\n border-color: #3498db;\n box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);\n }\n\n .input-select {\n width: 100%;\n padding: 12px 15px;\n border: 2px solid #e0e6ed;\n border-radius: 8px;\n font-size: 1em;\n background: white;\n cursor: pointer;\n transition: border-color 0.3s ease;\n }\n\n .input-select:focus {\n outline: none;\n border-color: #3498db;\n box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);\n }\n\n .calculate-button {\n width: 100%;\n padding: 15px;\n background: linear-gradient(135deg, #3498db, #2980b9);\n color: white;\n border: none;\n border-radius: 8px;\n font-size: 1.1em;\n font-weight: 600;\n cursor: pointer;\n transition: transform 0.2s ease, box-shadow 0.3s ease;\n margin-top: 10px;\n }\n\n .calculate-button:hover {\n transform: translateY(-2px);\n box-shadow: 0 8px 25px rgba(52, 152, 219, 0.3);\n }\n\n .calculate-button:active {\n transform: translateY(0);\n }\n\n .results-section {\n background: linear-gradient(135deg, #f8f9fa, #ffffff);\n padding: 30px;\n border-radius: 12px;\n margin-top: 25px;\n box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);\n display: none;\n }\n\n .results-title {\n font-size: 1.5em;\n color: #2c3e50;\n margin-bottom: 20px;\n text-align: center;\n font-weight: 600;\n }\n\n .result-item {\n display: flex;\n justify-content: space-between;\n align-items: center;\n padding: 15px 20px;\n margin-bottom: 12px;\n background: white;\n border-radius: 8px;\n border-left: 4px solid #3498db;\n box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);\n }\n\n .result-label {\n font-weight: 500;\n color: #2c3e50;\n font-size: 1.05em;\n }\n\n .result-value {\n font-weight: 600;\n color: #27ae60;\n font-size: 1.1em;\n }\n\n .result-highlight {\n background: linear-gradient(135deg, #e8f5e8, #f0f8f0);\n border-left-color: #27ae60;\n }\n\n .result-highlight .result-value {\n font-size: 1.2em;\n color: #2d8f47;\n }\n\n .input-hint {\n font-size: 0.85em;\n color: #7f8c8d;\n margin-top: 4px;\n font-style: italic;\n }\n\n .error-message {\n color: #e74c3c;\n font-size: 0.9em;\n margin-top: 5px;\n display: none;\n }\n\n @media (max-width: 600px) {\n .electrical-calculator {\n padding: 15px;\n }\n \n .calculator-title {\n font-size: 1.8em;\n }\n \n .result-item {\n flex-direction: column;\n text-align: center;\n gap: 8px;\n }\n }\n <\/style>\n<\/head>\n<body>\n <div class=\"electrical-calculator\">\n <header class=\"calculator-header\">\n <h1 class=\"calculator-title\">Electrical Parameter Calculator<\/h1>\n <p class=\"calculator-subtitle\">Calculate motor current, power consumption, circuit breaker sizing & cable requirements<\/p>\n <\/header>\n\n <div class=\"input-section\">\n <div class=\"input-group\">\n <label class=\"input-label\" for=\"motorPower\">Motor Power (kW)<\/label>\n <input type=\"number\" id=\"motorPower\" class=\"input-field\" step=\"0.1\" min=\"0.1\" placeholder=\"Enter motor power in kW\">\n <div class=\"input-hint\">Example: 7.5 for a 7.5kW motor<\/div>\n <div class=\"error-message\" id=\"powerError\">Please enter a valid power value<\/div>\n <\/div>\n\n <div class=\"input-group\">\n <label class=\"input-label\" for=\"powerSupplyType\">Power Supply Type<\/label>\n <select id=\"powerSupplyType\" class=\"input-select\" onchange=\"updateVoltageOptions()\">\n <option value=\"single\">Single-phase<\/option>\n <option value=\"three\" selected>Three-phase<\/option>\n <\/select>\n <div class=\"input-hint\">Select your electrical system type<\/div>\n <\/div>\n\n <div class=\"input-group\">\n <label class=\"input-label\" for=\"voltage\">Voltage<\/label>\n <select id=\"voltage\" class=\"input-select\">\n <option value=\"208\">208V<\/option>\n <option value=\"380\" selected>380V<\/option>\n <option value=\"400\">400V<\/option>\n <option value=\"415\">415V<\/option>\n <option value=\"440\">440V<\/option>\n <option value=\"480\">480V<\/option>\n <option value=\"600\">600V<\/option>\n <\/select>\n <div class=\"input-hint\" id=\"voltageHint\">Select the appropriate voltage for your system<\/div>\n <div class=\"error-message\" id=\"voltageError\">Please select a voltage value<\/div>\n <\/div>\n\n <div class=\"input-group\">\n <label class=\"input-label\" for=\"powerFactor\">Power Factor (PF)<\/label>\n <input type=\"number\" id=\"powerFactor\" class=\"input-field\" step=\"0.01\" min=\"0.1\" max=\"1\" value=\"0.85\" placeholder=\"0.85\">\n <div class=\"input-hint\">Typical range: 0.8 – 0.9 (default: 0.85)<\/div>\n <div class=\"error-message\" id=\"pfError\">Power factor must be between 0.1 and 1.0<\/div>\n <\/div>\n\n <div class=\"input-group\">\n <label class=\"input-label\" for=\"efficiency\">Efficiency (\u03b7)<\/label>\n <input type=\"number\" id=\"efficiency\" class=\"input-field\" step=\"0.01\" min=\"0.1\" max=\"1\" value=\"0.90\" placeholder=\"0.90\">\n <div class=\"input-hint\">Typical range: 0.85 – 0.95 (default: 0.90)<\/div>\n <div class=\"error-message\" id=\"efficiencyError\">Efficiency must be between 0.1 and 1.0<\/div>\n <\/div>\n\n <div class=\"input-group\">\n <label class=\"input-label\" for=\"runtime\">Operating Time (hours)<\/label>\n <input type=\"number\" id=\"runtime\" class=\"input-field\" step=\"0.1\" min=\"0\" value=\"1\" placeholder=\"1\">\n <div class=\"input-hint\">Hours of operation for power consumption calculation<\/div>\n <div class=\"error-message\" id=\"runtimeError\">Please enter a valid runtime value<\/div>\n <\/div>\n\n <button class=\"calculate-button\" onclick=\"calculateParameters()\">Calculate Electrical Parameters<\/button>\n <\/div>\n\n <div class=\"results-section\" id=\"resultsSection\">\n <h2 class=\"results-title\">Calculation Results<\/h2>\n <div id=\"resultsContainer\"><\/div>\n <\/div>\n <\/div>\n\n <script>\n \/\/ Circuit breaker standard ratings\n const circuitBreakerRatings = [1, 2, 3, 4, 6, 10, 13, 15, 16, 20, 25, 32, 40, 50, 63, 80, 100, 125, 160, 180, 200, 225, 250, 315, 350, 400, 450, 500, 630, 700, 800, 1000, 1250, 1600];\n\n \/\/ Cable sizing table (copper wire cross-section to current capacity)\n const cableSizingTable = [\n { crossSection: 0.5, maxCurrent: 10, maxPower: 1.5 },\n { crossSection: 0.75, maxCurrent: 13, maxPower: 2 },\n { crossSection: 1.0, maxCurrent: 15, maxPower: 2.5 },\n { crossSection: 1.5, maxCurrent: 20, maxPower: 4 },\n { crossSection: 2.5, maxCurrent: 28, maxPower: 5.5 },\n { crossSection: 4.0, maxCurrent: 36, maxPower: 7.5 },\n { crossSection: 6.0, maxCurrent: 48, maxPower: 11 },\n { crossSection: 10, maxCurrent: 65, maxPower: 18.5 },\n { crossSection: 16, maxCurrent: 85, maxPower: 30 },\n { crossSection: 25, maxCurrent: 110, maxPower: 37 },\n { crossSection: 35, maxCurrent: 135, maxPower: 45 },\n { crossSection: 50, maxCurrent: 170, maxPower: 55 },\n { crossSection: 70, maxCurrent: 220, maxPower: 75 },\n { crossSection: 95, maxCurrent: 260, maxPower: 90 },\n { crossSection: 120, maxCurrent: 300, maxPower: 110 },\n { crossSection: 150, maxCurrent: 340, maxPower: 132 },\n { crossSection: 185, maxCurrent: 385, maxPower: 160 },\n { crossSection: 240, maxCurrent: 450, maxPower: 200 },\n { crossSection: 300, maxCurrent: 500, maxPower: 250 }\n ];\n\n \/\/ Voltage options for different power supply types\n const voltageOptions = {\n single: [\n { value: 100, label: \"100V\" },\n { value: 110, label: \"110V\" },\n { value: 115, label: \"115V\" },\n { value: 120, label: \"120V\" },\n { value: 127, label: \"127V\" },\n { value: 220, label: \"220V\" },\n { value: 230, label: \"230V\" },\n { value: 240, label: \"240V\" }\n ],\n three: [\n { value: 208, label: \"208V\" },\n { value: 380, label: \"380V\" },\n { value: 400, label: \"400V\" },\n { value: 415, label: \"415V\" },\n { value: 440, label: \"440V\" },\n { value: 480, label: \"480V\" },\n { value: 600, label: \"600V\" }\n ]\n };\n\n function updateVoltageOptions() {\n const powerSupplyType = document.getElementById('powerSupplyType').value;\n const voltageSelect = document.getElementById('voltage');\n const voltageHint = document.getElementById('voltageHint');\n \n \/\/ Clear existing options\n voltageSelect.innerHTML = '';\n \n \/\/ Add new options based on power supply type\n const options = voltageOptions[powerSupplyType];\n options.forEach((option, index) => {\n const optionElement = document.createElement('option');\n optionElement.value = option.value;\n optionElement.textContent = option.label;\n \n \/\/ Set default selection (first option for single-phase, 380V for three-phase)\n if ((powerSupplyType === 'single' && index === 0) || \n (powerSupplyType === 'three' && option.value === 380)) {\n optionElement.selected = true;\n }\n \n voltageSelect.appendChild(optionElement);\n });\n \n \/\/ Update hint text\n if (powerSupplyType === 'single') {\n voltageHint.textContent = 'Common single-phase voltages worldwide';\n } else {\n voltageHint.textContent = 'Common three-phase voltages for industrial applications';\n }\n }\n\n function validateInputs() {\n let isValid = true;\n const errorMessages = document.querySelectorAll('.error-message');\n errorMessages.forEach(msg => msg.style.display = 'none');\n\n const power = parseFloat(document.getElementById('motorPower').value);\n const voltage = parseFloat(document.getElementById('voltage').value);\n const powerFactor = parseFloat(document.getElementById('powerFactor').value);\n const efficiency = parseFloat(document.getElementById('efficiency').value);\n const runtime = parseFloat(document.getElementById('runtime').value);\n\n if (!power || power <= 0) {\n document.getElementById('powerError').style.display = 'block';\n isValid = false;\n }\n\n if (!voltage || voltage <= 0) {\n document.getElementById('voltageError').style.display = 'block';\n isValid = false;\n }\n\n if (!powerFactor || powerFactor < 0.1 || powerFactor > 1) {\n document.getElementById('pfError').style.display = 'block';\n isValid = false;\n }\n\n if (!efficiency || efficiency < 0.1 || efficiency > 1) {\n document.getElementById('efficiencyError').style.display = 'block';\n isValid = false;\n }\n\n if (runtime < 0) {\n document.getElementById('runtimeError').style.display = 'block';\n isValid = false;\n }\n\n return isValid;\n }\n\n function calculateCurrent(power, voltage, powerFactor, efficiency, isThreePhase) {\n const powerInWatts = power * 1000;\n if (isThreePhase) {\n return powerInWatts \/ (Math.sqrt(3) * voltage * powerFactor * efficiency);\n } else {\n return powerInWatts \/ (voltage * powerFactor * efficiency);\n }\n }\n\n function selectCircuitBreaker(current) {\n const minRating = current * 2.5;\n const maxRating = current * 3;\n \n const suitableBreakers = circuitBreakerRatings.filter(rating => rating >= minRating);\n const preferredBreaker = suitableBreakers[0];\n \n let recommendation = `${preferredBreaker}A`;\n if (suitableBreakers.length > 1 && suitableBreakers[1] <= maxRating) {\n recommendation += ` or ${suitableBreakers[1]}A`;\n }\n \n return recommendation;\n }\n\n function selectCableSize(current) {\n \/\/ Add 20% safety margin\n const requiredCurrent = current * 1.2;\n \n for (let cable of cableSizingTable) {\n if (cable.maxCurrent >= requiredCurrent) {\n return `${cable.crossSection}mm\u00b2`;\n }\n }\n \n return `>${cableSizingTable[cableSizingTable.length - 1].crossSection}mm\u00b2 (Consult engineer)`;\n }\n\n function calculateParameters() {\n if (!validateInputs()) {\n return;\n }\n\n const power = parseFloat(document.getElementById('motorPower').value);\n const voltage = parseFloat(document.getElementById('voltage').value);\n const powerSupplyType = document.getElementById('powerSupplyType').value;\n const powerFactor = parseFloat(document.getElementById('powerFactor').value);\n const efficiency = parseFloat(document.getElementById('efficiency').value);\n const runtime = parseFloat(document.getElementById('runtime').value);\n\n const isThreePhase = powerSupplyType === 'three';\n \n \/\/ Calculate rated current\n const current = calculateCurrent(power, voltage, powerFactor, efficiency, isThreePhase);\n \n \/\/ Calculate power consumption\n const powerConsumption = power * runtime;\n \n \/\/ Select circuit breaker\n const circuitBreaker = selectCircuitBreaker(current);\n \n \/\/ Select cable size\n const cableSize = selectCableSize(current);\n\n \/\/ Display results\n displayResults({\n current: Math.ceil(current),\n powerConsumption: powerConsumption.toFixed(2),\n circuitBreaker: circuitBreaker,\n cableSize: cableSize\n });\n }\n\n function displayResults(results) {\n const resultsContainer = document.getElementById('resultsContainer');\n const resultsSection = document.getElementById('resultsSection');\n \n resultsContainer.innerHTML = `\n <div class=\"result-item result-highlight\">\n <span class=\"result-label\">Rated Current:<\/span>\n <span class=\"result-value\">${results.current} A<\/span>\n <\/div>\n <div class=\"result-item result-highlight\">\n <span class=\"result-label\">Power Consumption:<\/span>\n <span class=\"result-value\">${results.powerConsumption} kWh<\/span>\n <\/div>\n <div class=\"result-item result-highlight\">\n <span class=\"result-label\">Recommended Circuit Breaker:<\/span>\n <span class=\"result-value\">${results.circuitBreaker}<\/span>\n <\/div>\n <div class=\"result-item result-highlight\">\n <span class=\"result-label\">Recommended Cable Size:<\/span>\n <span class=\"result-value\">${results.cableSize}<\/span>\n <\/div>\n `;\n \n resultsSection.style.display = 'block';\n resultsSection.scrollIntoView({ behavior: 'smooth', block: 'start' });\n }\n\n \/\/ Allow Enter key to trigger calculation\n document.addEventListener('keypress', function(event) {\n if (event.key === 'Enter') {\n calculateParameters();\n }\n });\n\n \/\/ Initialize voltage options on page load\n document.addEventListener('DOMContentLoaded', function() {\n updateVoltageOptions();\n });\n <\/script>\n<\/body>\n<\/html>\n\n\n\n\n<section class=\"features-section\">\n <div class=\"features-container\">\n <div class=\"feature-card\">\n <div class=\"feature-icon\">\u26a1<\/div>\n <h3 class=\"feature-title\">Current Calculation<\/h3>\n <p class=\"feature-description\">Accurately determine motor current (FLA) based on input power and voltage for both single and three-phase systems.<\/p>\n <\/div>\n \n <div class=\"feature-card\">\n <div class=\"feature-icon\">\ud83d\udd0c<\/div>\n <h3 class=\"feature-title\">Breaker Sizing<\/h3>\n <p class=\"feature-description\">Get properly sized circuit breaker recommendations based on calculated current and NEC standards.<\/p>\n <\/div>\n \n <div class=\"feature-card\">\n <div class=\"feature-icon\">\ud83d\udccf<\/div>\n <h3 class=\"feature-title\">Cable Selection<\/h3>\n <p class=\"feature-description\">Determine optimal cable cross-section area based on current load and installation conditions.<\/p>\n <\/div>\n \n <div class=\"feature-card\">\n <div class=\"feature-icon\">\ud83d\udd04<\/div>\n <h3 class=\"feature-title\">Contactor Rating<\/h3>\n <p class=\"feature-description\">Calculate appropriate contactor specifications including current rating and pole configuration.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n<style>\n .features-section {\n padding: 4rem 0;\n }\n \n .features-container {\n max-width: 1200px;\n margin: 0 auto;\n padding: 0 20px;\n display: grid;\n grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));\n gap: 2rem;\n }\n \n .feature-card {\n background: white;\n border-radius: 12px;\n padding: 2rem;\n text-align: center;\n box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);\n transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);\n border: 1px solid rgba(0, 0, 0, 0.05);\n position: relative;\n overflow: hidden;\n }\n \n .feature-card:hover {\n transform: translateY(-8px);\n box-shadow: 0 14px 28px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.05);\n border-color: rgba(52, 152, 219, 0.3);\n }\n \n .feature-card:after {\n content: '';\n position: absolute;\n top: 0;\n left: 0;\n width: 100%;\n height: 100%;\n background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(255, 255, 255, 0) 100%);\n opacity: 0;\n transition: opacity 0.3s ease;\n }\n \n .feature-card:hover:after {\n opacity: 1;\n }\n \n .feature-icon {\n font-size: 2.5rem;\n color: #3498db;\n margin-bottom: 1.5rem;\n transition: transform 0.3s ease;\n }\n \n .feature-card:hover .feature-icon {\n transform: scale(1.1);\n }\n \n .feature-title {\n color: #2c3e50;\n font-size: 1.25rem;\n margin: 0 0 1rem 0;\n transition: color 0.3s ease;\n }\n \n .feature-card:hover .feature-title {\n color: #3498db;\n }\n \n .feature-description {\n color: #666;\n font-size: 1rem;\n line-height: 1.6;\n margin: 0;\n transition: color 0.3s ease;\n }\n \n .feature-card:hover .feature-description {\n color: #444;\n }\n \n @media (max-width: 768px) {\n .features-container {\n grid-template-columns: 1fr;\n gap: 1.5rem;\n }\n \n .feature-card {\n padding: 1.5rem;\n }\n }\n<\/style>\n","protected":false},"excerpt":{"rendered":"<p>Kalkulator parametr\u00f3w elektrycznych HARSLE Kalkulator parametr\u00f3w elektrycznych Oblicz pr\u0105d silnika, zu\u017cycie energii, rozmiar wy\u0142\u0105cznika i wymagania dotycz\u0105ce kabli Moc silnika<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-68011","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.harsle.com\/pl\/wp-json\/wp\/v2\/pages\/68011","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.harsle.com\/pl\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.harsle.com\/pl\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.harsle.com\/pl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.harsle.com\/pl\/wp-json\/wp\/v2\/comments?post=68011"}],"version-history":[{"count":0,"href":"https:\/\/www.harsle.com\/pl\/wp-json\/wp\/v2\/pages\/68011\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.harsle.com\/pl\/wp-json\/wp\/v2\/media?parent=68011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":68011,"date":"2025-07-29T15:47:50","date_gmt":"2025-07-29T15:47:50","guid":{"rendered":"https:\/\/www.harsle.com\/?page_id=68011"},"modified":"2025-07-29T16:14:02","modified_gmt":"2025-07-29T16:14:02","slug":"electrical-parameter-calculator","status":"publish","type":"page","link":"https:\/\/www.harsle.com\/pl\/electrical-parameter-calculator\/","title":{"rendered":"Kalkulator parametr\u00f3w elektrycznych"},"content":{"rendered":"\n\n\n\n \n \n \n \n HARSLE Electrical Parameter Calculator<\/title>\n <style>\n * {\n box-sizing: border-box;\n margin: 0;\n padding: 0;\n }\n\n .electrical-calculator {\n max-width: 800px;\n margin: 0 auto;\n padding: 20px;\n font-family: inherit;\n background: #ffffff;\n }\n\n .calculator-header {\n text-align: center;\n margin-bottom: 30px;\n background: linear-gradient(135deg, #3498db, #2980b9);\n padding: 25px;\n border-radius: 12px;\n color: white;\n }\n\n .calculator-title {\n font-size: 2.2em;\n color: white;\n margin-bottom: 10px;\n font-weight: 600;\n }\n\n .calculator-subtitle {\n font-size: 1.1em;\n color: rgba(255, 255, 255, 0.9);\n margin-bottom: 5px;\n }\n\n .input-section {\n background: transparent;\n padding: 25px;\n border-radius: 12px;\n margin-bottom: 25px;\n box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);\n border: 1px solid rgba(255, 255, 255, 0.2);\n backdrop-filter: blur(10px);\n transition: transform 0.3s ease, box-shadow 0.3s ease;\n }\n\n .input-section:hover {\n transform: translateY(-2px);\n box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);\n }\n\n .input-group {\n margin-bottom: 20px;\n }\n\n .input-label {\n display: block;\n margin-bottom: 8px;\n font-weight: 500;\n color: #2c3e50;\n font-size: 1.05em;\n }\n\n .input-field {\n width: 100%;\n padding: 12px 15px;\n border: 2px solid #e0e6ed;\n border-radius: 8px;\n font-size: 1em;\n transition: border-color 0.3s ease;\n background: white;\n }\n\n .input-field:focus {\n outline: none;\n border-color: #3498db;\n box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);\n }\n\n .input-select {\n width: 100%;\n padding: 12px 15px;\n border: 2px solid #e0e6ed;\n border-radius: 8px;\n font-size: 1em;\n background: white;\n cursor: pointer;\n transition: border-color 0.3s ease;\n }\n\n .input-select:focus {\n outline: none;\n border-color: #3498db;\n box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);\n }\n\n .calculate-button {\n width: 100%;\n padding: 15px;\n background: linear-gradient(135deg, #3498db, #2980b9);\n color: white;\n border: none;\n border-radius: 8px;\n font-size: 1.1em;\n font-weight: 600;\n cursor: pointer;\n transition: transform 0.2s ease, box-shadow 0.3s ease;\n margin-top: 10px;\n }\n\n .calculate-button:hover {\n transform: translateY(-2px);\n box-shadow: 0 8px 25px rgba(52, 152, 219, 0.3);\n }\n\n .calculate-button:active {\n transform: translateY(0);\n }\n\n .results-section {\n background: linear-gradient(135deg, #f8f9fa, #ffffff);\n padding: 30px;\n border-radius: 12px;\n margin-top: 25px;\n box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);\n display: none;\n }\n\n .results-title {\n font-size: 1.5em;\n color: #2c3e50;\n margin-bottom: 20px;\n text-align: center;\n font-weight: 600;\n }\n\n .result-item {\n display: flex;\n justify-content: space-between;\n align-items: center;\n padding: 15px 20px;\n margin-bottom: 12px;\n background: white;\n border-radius: 8px;\n border-left: 4px solid #3498db;\n box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);\n }\n\n .result-label {\n font-weight: 500;\n color: #2c3e50;\n font-size: 1.05em;\n }\n\n .result-value {\n font-weight: 600;\n color: #27ae60;\n font-size: 1.1em;\n }\n\n .result-highlight {\n background: linear-gradient(135deg, #e8f5e8, #f0f8f0);\n border-left-color: #27ae60;\n }\n\n .result-highlight .result-value {\n font-size: 1.2em;\n color: #2d8f47;\n }\n\n .input-hint {\n font-size: 0.85em;\n color: #7f8c8d;\n margin-top: 4px;\n font-style: italic;\n }\n\n .error-message {\n color: #e74c3c;\n font-size: 0.9em;\n margin-top: 5px;\n display: none;\n }\n\n @media (max-width: 600px) {\n .electrical-calculator {\n padding: 15px;\n }\n \n .calculator-title {\n font-size: 1.8em;\n }\n \n .result-item {\n flex-direction: column;\n text-align: center;\n gap: 8px;\n }\n }\n <\/style>\n<\/head>\n<body>\n <div class=\"electrical-calculator\">\n <header class=\"calculator-header\">\n <h1 class=\"calculator-title\">Electrical Parameter Calculator<\/h1>\n <p class=\"calculator-subtitle\">Calculate motor current, power consumption, circuit breaker sizing & cable requirements<\/p>\n <\/header>\n\n <div class=\"input-section\">\n <div class=\"input-group\">\n <label class=\"input-label\" for=\"motorPower\">Motor Power (kW)<\/label>\n <input type=\"number\" id=\"motorPower\" class=\"input-field\" step=\"0.1\" min=\"0.1\" placeholder=\"Enter motor power in kW\">\n <div class=\"input-hint\">Example: 7.5 for a 7.5kW motor<\/div>\n <div class=\"error-message\" id=\"powerError\">Please enter a valid power value<\/div>\n <\/div>\n\n <div class=\"input-group\">\n <label class=\"input-label\" for=\"powerSupplyType\">Power Supply Type<\/label>\n <select id=\"powerSupplyType\" class=\"input-select\" onchange=\"updateVoltageOptions()\">\n <option value=\"single\">Single-phase<\/option>\n <option value=\"three\" selected>Three-phase<\/option>\n <\/select>\n <div class=\"input-hint\">Select your electrical system type<\/div>\n <\/div>\n\n <div class=\"input-group\">\n <label class=\"input-label\" for=\"voltage\">Voltage<\/label>\n <select id=\"voltage\" class=\"input-select\">\n <option value=\"208\">208V<\/option>\n <option value=\"380\" selected>380V<\/option>\n <option value=\"400\">400V<\/option>\n <option value=\"415\">415V<\/option>\n <option value=\"440\">440V<\/option>\n <option value=\"480\">480V<\/option>\n <option value=\"600\">600V<\/option>\n <\/select>\n <div class=\"input-hint\" id=\"voltageHint\">Select the appropriate voltage for your system<\/div>\n <div class=\"error-message\" id=\"voltageError\">Please select a voltage value<\/div>\n <\/div>\n\n <div class=\"input-group\">\n <label class=\"input-label\" for=\"powerFactor\">Power Factor (PF)<\/label>\n <input type=\"number\" id=\"powerFactor\" class=\"input-field\" step=\"0.01\" min=\"0.1\" max=\"1\" value=\"0.85\" placeholder=\"0.85\">\n <div class=\"input-hint\">Typical range: 0.8 – 0.9 (default: 0.85)<\/div>\n <div class=\"error-message\" id=\"pfError\">Power factor must be between 0.1 and 1.0<\/div>\n <\/div>\n\n <div class=\"input-group\">\n <label class=\"input-label\" for=\"efficiency\">Efficiency (\u03b7)<\/label>\n <input type=\"number\" id=\"efficiency\" class=\"input-field\" step=\"0.01\" min=\"0.1\" max=\"1\" value=\"0.90\" placeholder=\"0.90\">\n <div class=\"input-hint\">Typical range: 0.85 – 0.95 (default: 0.90)<\/div>\n <div class=\"error-message\" id=\"efficiencyError\">Efficiency must be between 0.1 and 1.0<\/div>\n <\/div>\n\n <div class=\"input-group\">\n <label class=\"input-label\" for=\"runtime\">Operating Time (hours)<\/label>\n <input type=\"number\" id=\"runtime\" class=\"input-field\" step=\"0.1\" min=\"0\" value=\"1\" placeholder=\"1\">\n <div class=\"input-hint\">Hours of operation for power consumption calculation<\/div>\n <div class=\"error-message\" id=\"runtimeError\">Please enter a valid runtime value<\/div>\n <\/div>\n\n <button class=\"calculate-button\" onclick=\"calculateParameters()\">Calculate Electrical Parameters<\/button>\n <\/div>\n\n <div class=\"results-section\" id=\"resultsSection\">\n <h2 class=\"results-title\">Calculation Results<\/h2>\n <div id=\"resultsContainer\"><\/div>\n <\/div>\n <\/div>\n\n <script>\n \/\/ Circuit breaker standard ratings\n const circuitBreakerRatings = [1, 2, 3, 4, 6, 10, 13, 15, 16, 20, 25, 32, 40, 50, 63, 80, 100, 125, 160, 180, 200, 225, 250, 315, 350, 400, 450, 500, 630, 700, 800, 1000, 1250, 1600];\n\n \/\/ Cable sizing table (copper wire cross-section to current capacity)\n const cableSizingTable = [\n { crossSection: 0.5, maxCurrent: 10, maxPower: 1.5 },\n { crossSection: 0.75, maxCurrent: 13, maxPower: 2 },\n { crossSection: 1.0, maxCurrent: 15, maxPower: 2.5 },\n { crossSection: 1.5, maxCurrent: 20, maxPower: 4 },\n { crossSection: 2.5, maxCurrent: 28, maxPower: 5.5 },\n { crossSection: 4.0, maxCurrent: 36, maxPower: 7.5 },\n { crossSection: 6.0, maxCurrent: 48, maxPower: 11 },\n { crossSection: 10, maxCurrent: 65, maxPower: 18.5 },\n { crossSection: 16, maxCurrent: 85, maxPower: 30 },\n { crossSection: 25, maxCurrent: 110, maxPower: 37 },\n { crossSection: 35, maxCurrent: 135, maxPower: 45 },\n { crossSection: 50, maxCurrent: 170, maxPower: 55 },\n { crossSection: 70, maxCurrent: 220, maxPower: 75 },\n { crossSection: 95, maxCurrent: 260, maxPower: 90 },\n { crossSection: 120, maxCurrent: 300, maxPower: 110 },\n { crossSection: 150, maxCurrent: 340, maxPower: 132 },\n { crossSection: 185, maxCurrent: 385, maxPower: 160 },\n { crossSection: 240, maxCurrent: 450, maxPower: 200 },\n { crossSection: 300, maxCurrent: 500, maxPower: 250 }\n ];\n\n \/\/ Voltage options for different power supply types\n const voltageOptions = {\n single: [\n { value: 100, label: \"100V\" },\n { value: 110, label: \"110V\" },\n { value: 115, label: \"115V\" },\n { value: 120, label: \"120V\" },\n { value: 127, label: \"127V\" },\n { value: 220, label: \"220V\" },\n { value: 230, label: \"230V\" },\n { value: 240, label: \"240V\" }\n ],\n three: [\n { value: 208, label: \"208V\" },\n { value: 380, label: \"380V\" },\n { value: 400, label: \"400V\" },\n { value: 415, label: \"415V\" },\n { value: 440, label: \"440V\" },\n { value: 480, label: \"480V\" },\n { value: 600, label: \"600V\" }\n ]\n };\n\n function updateVoltageOptions() {\n const powerSupplyType = document.getElementById('powerSupplyType').value;\n const voltageSelect = document.getElementById('voltage');\n const voltageHint = document.getElementById('voltageHint');\n \n \/\/ Clear existing options\n voltageSelect.innerHTML = '';\n \n \/\/ Add new options based on power supply type\n const options = voltageOptions[powerSupplyType];\n options.forEach((option, index) => {\n const optionElement = document.createElement('option');\n optionElement.value = option.value;\n optionElement.textContent = option.label;\n \n \/\/ Set default selection (first option for single-phase, 380V for three-phase)\n if ((powerSupplyType === 'single' && index === 0) || \n (powerSupplyType === 'three' && option.value === 380)) {\n optionElement.selected = true;\n }\n \n voltageSelect.appendChild(optionElement);\n });\n \n \/\/ Update hint text\n if (powerSupplyType === 'single') {\n voltageHint.textContent = 'Common single-phase voltages worldwide';\n } else {\n voltageHint.textContent = 'Common three-phase voltages for industrial applications';\n }\n }\n\n function validateInputs() {\n let isValid = true;\n const errorMessages = document.querySelectorAll('.error-message');\n errorMessages.forEach(msg => msg.style.display = 'none');\n\n const power = parseFloat(document.getElementById('motorPower').value);\n const voltage = parseFloat(document.getElementById('voltage').value);\n const powerFactor = parseFloat(document.getElementById('powerFactor').value);\n const efficiency = parseFloat(document.getElementById('efficiency').value);\n const runtime = parseFloat(document.getElementById('runtime').value);\n\n if (!power || power <= 0) {\n document.getElementById('powerError').style.display = 'block';\n isValid = false;\n }\n\n if (!voltage || voltage <= 0) {\n document.getElementById('voltageError').style.display = 'block';\n isValid = false;\n }\n\n if (!powerFactor || powerFactor < 0.1 || powerFactor > 1) {\n document.getElementById('pfError').style.display = 'block';\n isValid = false;\n }\n\n if (!efficiency || efficiency < 0.1 || efficiency > 1) {\n document.getElementById('efficiencyError').style.display = 'block';\n isValid = false;\n }\n\n if (runtime < 0) {\n document.getElementById('runtimeError').style.display = 'block';\n isValid = false;\n }\n\n return isValid;\n }\n\n function calculateCurrent(power, voltage, powerFactor, efficiency, isThreePhase) {\n const powerInWatts = power * 1000;\n if (isThreePhase) {\n return powerInWatts \/ (Math.sqrt(3) * voltage * powerFactor * efficiency);\n } else {\n return powerInWatts \/ (voltage * powerFactor * efficiency);\n }\n }\n\n function selectCircuitBreaker(current) {\n const minRating = current * 2.5;\n const maxRating = current * 3;\n \n const suitableBreakers = circuitBreakerRatings.filter(rating => rating >= minRating);\n const preferredBreaker = suitableBreakers[0];\n \n let recommendation = `${preferredBreaker}A`;\n if (suitableBreakers.length > 1 && suitableBreakers[1] <= maxRating) {\n recommendation += ` or ${suitableBreakers[1]}A`;\n }\n \n return recommendation;\n }\n\n function selectCableSize(current) {\n \/\/ Add 20% safety margin\n const requiredCurrent = current * 1.2;\n \n for (let cable of cableSizingTable) {\n if (cable.maxCurrent >= requiredCurrent) {\n return `${cable.crossSection}mm\u00b2`;\n }\n }\n \n return `>${cableSizingTable[cableSizingTable.length - 1].crossSection}mm\u00b2 (Consult engineer)`;\n }\n\n function calculateParameters() {\n if (!validateInputs()) {\n return;\n }\n\n const power = parseFloat(document.getElementById('motorPower').value);\n const voltage = parseFloat(document.getElementById('voltage').value);\n const powerSupplyType = document.getElementById('powerSupplyType').value;\n const powerFactor = parseFloat(document.getElementById('powerFactor').value);\n const efficiency = parseFloat(document.getElementById('efficiency').value);\n const runtime = parseFloat(document.getElementById('runtime').value);\n\n const isThreePhase = powerSupplyType === 'three';\n \n \/\/ Calculate rated current\n const current = calculateCurrent(power, voltage, powerFactor, efficiency, isThreePhase);\n \n \/\/ Calculate power consumption\n const powerConsumption = power * runtime;\n \n \/\/ Select circuit breaker\n const circuitBreaker = selectCircuitBreaker(current);\n \n \/\/ Select cable size\n const cableSize = selectCableSize(current);\n\n \/\/ Display results\n displayResults({\n current: Math.ceil(current),\n powerConsumption: powerConsumption.toFixed(2),\n circuitBreaker: circuitBreaker,\n cableSize: cableSize\n });\n }\n\n function displayResults(results) {\n const resultsContainer = document.getElementById('resultsContainer');\n const resultsSection = document.getElementById('resultsSection');\n \n resultsContainer.innerHTML = `\n <div class=\"result-item result-highlight\">\n <span class=\"result-label\">Rated Current:<\/span>\n <span class=\"result-value\">${results.current} A<\/span>\n <\/div>\n <div class=\"result-item result-highlight\">\n <span class=\"result-label\">Power Consumption:<\/span>\n <span class=\"result-value\">${results.powerConsumption} kWh<\/span>\n <\/div>\n <div class=\"result-item result-highlight\">\n <span class=\"result-label\">Recommended Circuit Breaker:<\/span>\n <span class=\"result-value\">${results.circuitBreaker}<\/span>\n <\/div>\n <div class=\"result-item result-highlight\">\n <span class=\"result-label\">Recommended Cable Size:<\/span>\n <span class=\"result-value\">${results.cableSize}<\/span>\n <\/div>\n `;\n \n resultsSection.style.display = 'block';\n resultsSection.scrollIntoView({ behavior: 'smooth', block: 'start' });\n }\n\n \/\/ Allow Enter key to trigger calculation\n document.addEventListener('keypress', function(event) {\n if (event.key === 'Enter') {\n calculateParameters();\n }\n });\n\n \/\/ Initialize voltage options on page load\n document.addEventListener('DOMContentLoaded', function() {\n updateVoltageOptions();\n });\n <\/script>\n<\/body>\n<\/html>\n\n\n\n\n<section class=\"features-section\">\n <div class=\"features-container\">\n <div class=\"feature-card\">\n <div class=\"feature-icon\">\u26a1<\/div>\n <h3 class=\"feature-title\">Current Calculation<\/h3>\n <p class=\"feature-description\">Accurately determine motor current (FLA) based on input power and voltage for both single and three-phase systems.<\/p>\n <\/div>\n \n <div class=\"feature-card\">\n <div class=\"feature-icon\">\ud83d\udd0c<\/div>\n <h3 class=\"feature-title\">Breaker Sizing<\/h3>\n <p class=\"feature-description\">Get properly sized circuit breaker recommendations based on calculated current and NEC standards.<\/p>\n <\/div>\n \n <div class=\"feature-card\">\n <div class=\"feature-icon\">\ud83d\udccf<\/div>\n <h3 class=\"feature-title\">Cable Selection<\/h3>\n <p class=\"feature-description\">Determine optimal cable cross-section area based on current load and installation conditions.<\/p>\n <\/div>\n \n <div class=\"feature-card\">\n <div class=\"feature-icon\">\ud83d\udd04<\/div>\n <h3 class=\"feature-title\">Contactor Rating<\/h3>\n <p class=\"feature-description\">Calculate appropriate contactor specifications including current rating and pole configuration.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n<style>\n .features-section {\n padding: 4rem 0;\n }\n \n .features-container {\n max-width: 1200px;\n margin: 0 auto;\n padding: 0 20px;\n display: grid;\n grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));\n gap: 2rem;\n }\n \n .feature-card {\n background: white;\n border-radius: 12px;\n padding: 2rem;\n text-align: center;\n box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);\n transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);\n border: 1px solid rgba(0, 0, 0, 0.05);\n position: relative;\n overflow: hidden;\n }\n \n .feature-card:hover {\n transform: translateY(-8px);\n box-shadow: 0 14px 28px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.05);\n border-color: rgba(52, 152, 219, 0.3);\n }\n \n .feature-card:after {\n content: '';\n position: absolute;\n top: 0;\n left: 0;\n width: 100%;\n height: 100%;\n background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(255, 255, 255, 0) 100%);\n opacity: 0;\n transition: opacity 0.3s ease;\n }\n \n .feature-card:hover:after {\n opacity: 1;\n }\n \n .feature-icon {\n font-size: 2.5rem;\n color: #3498db;\n margin-bottom: 1.5rem;\n transition: transform 0.3s ease;\n }\n \n .feature-card:hover .feature-icon {\n transform: scale(1.1);\n }\n \n .feature-title {\n color: #2c3e50;\n font-size: 1.25rem;\n margin: 0 0 1rem 0;\n transition: color 0.3s ease;\n }\n \n .feature-card:hover .feature-title {\n color: #3498db;\n }\n \n .feature-description {\n color: #666;\n font-size: 1rem;\n line-height: 1.6;\n margin: 0;\n transition: color 0.3s ease;\n }\n \n .feature-card:hover .feature-description {\n color: #444;\n }\n \n @media (max-width: 768px) {\n .features-container {\n grid-template-columns: 1fr;\n gap: 1.5rem;\n }\n \n .feature-card {\n padding: 1.5rem;\n }\n }\n<\/style>\n","protected":false},"excerpt":{"rendered":"<p>Kalkulator parametr\u00f3w elektrycznych HARSLE Kalkulator parametr\u00f3w elektrycznych Oblicz pr\u0105d silnika, zu\u017cycie energii, rozmiar wy\u0142\u0105cznika i wymagania dotycz\u0105ce kabli Moc silnika<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-68011","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.harsle.com\/pl\/wp-json\/wp\/v2\/pages\/68011","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.harsle.com\/pl\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.harsle.com\/pl\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.harsle.com\/pl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.harsle.com\/pl\/wp-json\/wp\/v2\/comments?post=68011"}],"version-history":[{"count":0,"href":"https:\/\/www.harsle.com\/pl\/wp-json\/wp\/v2\/pages\/68011\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.harsle.com\/pl\/wp-json\/wp\/v2\/media?parent=68011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}