{"product_id":"fusebox-tpn-100a-4p-mains-switch","title":"FuseBox TPN 100A 4P Mains Switch","description":"\u003cp data-start=\"86\" data-end=\"466\"\u003eThe \u003cstrong data-start=\"90\" data-end=\"106\"\u003eCHINT IT1004\u003c\/strong\u003e is a robust \u003cstrong data-start=\"119\" data-end=\"168\"\u003e100A 4-pole main switch (switch disconnector)\u003c\/strong\u003e designed for safe isolation and control of \u003cstrong data-start=\"212\" data-end=\"294\"\u003ethree-phase low-voltage electrical distribution systems with neutral switching\u003c\/strong\u003e. It is widely used as an \u003cstrong data-start=\"320\" data-end=\"341\"\u003eincoming isolator\u003c\/strong\u003e in distribution boards, providing complete disconnection of all live conductors for maintenance, safety, and system control.\u003c\/p\u003e\n\u003cp data-start=\"468\" data-end=\"900\"\u003eWith its \u003cstrong data-start=\"477\" data-end=\"534\"\u003e4-pole configuration (L1, L2, L3 + Neutral switching)\u003c\/strong\u003e, the IT1004 ensures full electrical isolation of the supply, making it suitable for installations where neutral disconnection is required for safety compliance or system design. It is commonly used in \u003cstrong data-start=\"736\" data-end=\"811\"\u003ecommercial buildings, industrial panels, and three-phase consumer units\u003c\/strong\u003e as the main isolating device before downstream protection such as MCBs, RCBOs, or MCCBs.\u003c\/p\u003e\n\u003cp data-start=\"902\" data-end=\"1269\"\u003eThe device is rated for \u003cstrong data-start=\"926\" data-end=\"953\"\u003e100A continuous current\u003c\/strong\u003e and designed for \u003cstrong data-start=\"971\" data-end=\"1002\"\u003eAC-22A utilization category\u003c\/strong\u003e, meaning it is suitable for switching mixed resistive and inductive loads commonly found in general power distribution systems. Its durable internal mechanism ensures reliable switching performance, long service life, and safe operation under normal load conditions.\u003c\/p\u003e\n\u003cp data-start=\"1271\" data-end=\"1535\"\u003eThe IT1004 is designed for \u003cstrong data-start=\"1298\" data-end=\"1319\"\u003eDIN rail mounting\u003c\/strong\u003e, allowing quick and standardised installation in modern distribution boards. Its clear ON\/OFF indication and ergonomic switching handle provide safe and intuitive operation during maintenance or emergency isolation.\u003c\/p\u003e","brand":"BMS Electrical","offers":[{"title":"Default Title","offer_id":56992173588857,"sku":"IT1004","price":17.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6388\/1337\/files\/fusebox-it1253n-125a-3p-main-switch-unswitched-neutral-main-switch-5955-1-p_x3bhk0uptxycceob.jpg?v=1779460701","url":"https:\/\/bmselectricalsupplies.com\/products\/fusebox-tpn-100a-4p-mains-switch","provider":"Zicam Electrical Supplies","version":"1.0","type":"link"}