{"product_id":"high-precision-ac-current-transformer-bzct30al-50a-5a-100a-5a-150-5-200-5-3","title":"BZCT30AL Through-Core Current Transformer","description":"\u003ch3\u003eBZCT30AL Standard Current Transformer, Through-Core 1-Turn Installation, 0.1\/0.2\/0.5\/1 Class, 50A~400A\/5A, for Energy Metering \u0026amp; Power Monitoring\u003c\/h3\u003e\n\u003cdiv\u003eThe \u003cstrong\u003eBZCT30AL series through-core current transformers\u003c\/strong\u003e are precision-engineered sensors designed for accurate AC current measurement in energy meters and power monitoring systems. With 1-turn pass-through installation and grades up to 0.1 class, they deliver reliable performance for primary currents from 50A to 400A with standard 5A secondary output.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003e✨ Key Features\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e✅ \u003cstrong\u003eHigh Precision Grades\u003c\/strong\u003e: 0.1\/0.2\/0.5\/1 Class accuracy options for commercial and industrial metering.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n✅ \u003cstrong\u003eComplete Ratio Range\u003c\/strong\u003e: Primary currents: 50A\/75A\/100A\/150A\/200A\/250A\/300A\/400A; Standard secondary output: 5A.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n✅ \u003cstrong\u003ePremium Core \u0026amp; Winding\u003c\/strong\u003e: 085 high-grade silicon steel sheet core (low iron loss, high permeability) + high-quality enameled copper wire for durability.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n✅ \u003cstrong\u003eReliable Output Leads\u003c\/strong\u003e: 2×2.5mm² low-resistance oxygen-free copper leads with tube pin connectors, flame-retardant PC\/PVC insulation, 47cm length.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n✅ \u003cstrong\u003eSafety \u0026amp; Compliance\u003c\/strong\u003e: UL94-V0 flame-retardant housing, 3kV\/1min withstand voltage, insulation resistance ≥500MΩ.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n✅ \u003cstrong\u003eWide Operating Conditions\u003c\/strong\u003e: 50\/60Hz frequency, -30℃~+70℃ operating temperature, up to 90% relative humidity.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003e📊 Technical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Series\u003c\/td\u003e\n\u003ctd\u003eBZCT30AL \/ BZCT30AGL \/ BZCT30ACHL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eThrough-Core Current Transformer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Primary Current\u003c\/td\u003e\n\u003ctd\u003e50A\/75A\/100A\/150A\/200A\/250A\/300A\/400A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Secondary Current\u003c\/td\u003e\n\u003ctd\u003e5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy Class\u003c\/td\u003e\n\u003ctd\u003e0.1 \/ 0.2 \/ 0.5 \/ 1 Class\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Load\u003c\/td\u003e\n\u003ctd\u003e0VA \/ 0.5VA \/ 1VA \/ 1.5VA \/ 2VA \/ 2.5VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Material\u003c\/td\u003e\n\u003ctd\u003e085 High-Grade Silicon Steel Sheet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding Material\u003c\/td\u003e\n\u003ctd\u003eEnameled Copper Wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Specification\u003c\/td\u003e\n\u003ctd\u003e2×2.5mm² Oxygen-Free Copper, 47cm Length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e≥500MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstand Voltage\u003c\/td\u003e\n\u003ctd\u003e3kV\/50Hz\/1min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-30℃ ~ +70℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eEnergy Metering, Power Monitoring, Grid Renovation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e🛠️ Applications\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eResidential and commercial energy meter integration\u003c\/li\u003e\n\u003cli\u003eDistribution cabinet and power panel current monitoring\u003c\/li\u003e\n\u003cli\u003eIndustrial control and automation systems\u003c\/li\u003e\n\u003cli\u003eSmart grid and power quality monitoring projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #333;\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Hd634240afdc24dfb921e22250443e04e5.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/H24fec7f9e0fa43f1b11465bc5158be9dL.jpg\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"electrical center b2c","offers":[{"title":"CT 50A\/5A (1 Class) with Wire Length 47cm","offer_id":50204811329729,"sku":"CT 50A\/5A (1 Class) with Wire Length 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