{"product_id":"simpson-electric-co-a-01297-current-transformer","title":"Simpson Electric Co. A 01297 Current Transformer","description":"\u003cdiv\u003e\u003cp\u003eSimpson Electric Co. A 01297 Current Transformer is an AC instrument transformer with a primary-to-secondary current ratio of 100:5 A, meaning a 100-ampere primary yields a 5-ampere secondary current and enabling safe, scaled measurement of higher currents. It is specified to operate across a 50–400 Hz frequency range and is rated for use in circuits up to 600 V, defining its insulation and compatibility with typical power systems. With a 100 A primary, the 5 A secondary output provides a standard signal level for connection to metering equipment, protection relays, and instrumentation that monitor current without exposing sensing devices to full line current. Current transformers perform the task of producing a proportional, lower-current signal while maintaining isolation between the high-current circuit and the measurement apparatus, making this A 01297 unit suitable for applications requiring reliable current sensing in AC power circuits.\u003c\/p\u003e\u003c\/div\u003e","brand":"simpson","offers":[{"title":"New","offer_id":46267972518122,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-016.png?v=1788727429","url":"https:\/\/gtghardware.com\/products\/simpson-electric-co-a-01297-current-transformer","provider":"GTG Hardware","version":"1.0","type":"link"}