{"product_id":"fusebox-tpn-125a-3p-mains-switch-unswitched-neutral","title":"Fusebox TPN 125A 3P Mains Switch \u0026 Unswitched Neutral","description":"\u003cp data-start=\"91\" data-end=\"482\"\u003eThe \u003cstrong data-start=\"95\" data-end=\"112\"\u003eCHINT IT1253N\u003c\/strong\u003e is a robust \u003cstrong data-start=\"125\" data-end=\"179\"\u003e125A 3-pole main switch with an unswitched neutral\u003c\/strong\u003e, designed for safe isolation and control of \u003cstrong data-start=\"224\" data-end=\"283\"\u003ethree-phase low-voltage electrical distribution systems\u003c\/strong\u003e. It is widely used as an \u003cstrong data-start=\"309\" data-end=\"330\"\u003eincoming isolator\u003c\/strong\u003e in distribution boards, providing reliable disconnection of the phase conductors while maintaining a permanent neutral connection for system stability.\u003c\/p\u003e\n\u003cp data-start=\"484\" data-end=\"799\"\u003eThis device is commonly installed in \u003cstrong data-start=\"521\" data-end=\"587\"\u003ecommercial, industrial, and light domestic three-phase systems\u003c\/strong\u003e, where a dependable main isolator is required before downstream protective devices such as MCBs or MCCBs. Its solid construction ensures safe switching under load conditions and long-term electrical reliability.\u003c\/p\u003e\n\u003cp data-start=\"801\" data-end=\"1114\"\u003eThe IT1253N is designed for \u003cstrong data-start=\"829\" data-end=\"850\"\u003eDIN rail mounting\u003c\/strong\u003e, making it easy to integrate into standard distribution boards. The \u003cstrong data-start=\"919\" data-end=\"955\"\u003eunswitched neutral configuration\u003c\/strong\u003e simplifies installation by keeping the neutral continuous, reducing wiring complexity while maintaining compliance with typical distribution design practices.\u003c\/p\u003e","brand":"BMS Electrical","offers":[{"title":"Default Title","offer_id":56992173916537,"sku":"IT1253N","price":23.99,"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-125a-3p-mains-switch-unswitched-neutral","provider":"Zicam Electrical Supplies","version":"1.0","type":"link"}