{"product_id":"instrument-transformers-7-asht-151-150-5-current-transformer-ratio-150-5-a-50-400hz-600v-class-10kv-copy","title":"Instrument Transformer 5SFT-501 Current Transformer Ratio 500:5 600 VAC 50-400Hz","description":"\u003cp\u003eThe 5SFT-501 is a precision current transformer designed for accurate metering and protection in electrical systems. With a 500:5 transformation ratio, it steps down high primary currents to manageable secondary levels suitable for standard instruments and relays. Rated for 600 VAC operation across a wide frequency range of 50-400Hz, this transformer delivers reliable performance in both standard and variable-frequency applications. Its robust construction ensures consistent accuracy for revenue metering, load monitoring, and protective relay circuits. Ideal for industrial facilities, utility substations, and commercial installations requiring dependable current measurement and system protection.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstrument Transformers\u003c\/li\u003e\n\u003cli\u003e5SFT-501\u003c\/li\u003e\n\u003cli\u003eCurrent Transformer\u003c\/li\u003e\n\u003cli\u003eRatio: 500:5\u003c\/li\u003e\n\u003cli\u003e600 VAC\u003c\/li\u003e\n\u003cli\u003e50-400Hz\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Instrument Transformers Inc","offers":[{"title":"Used","offer_id":47478042591490,"sku":"03162601J","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0142\/4909\/9322\/files\/PhotoMar162026_80206AM.jpg?v=1773662811","url":"https:\/\/www.sselectricalsupply.com\/products\/instrument-transformers-7-asht-151-150-5-current-transformer-ratio-150-5-a-50-400hz-600v-class-10kv-copy","provider":"S\u0026S Electrical Supply","version":"1.0","type":"link"}