{"product_id":"lauritz-knudsen-formerly-lt-switchgear-business-hrc-fuse-hq-size-b3-250a-bolted-st30781oooo","title":"Lauritz Knudsen (Formerly L\u0026T Switchgear Business) HRC Fuse HQ Size B3 250A Bolted Type, Centre Tag Fixing – Cat No. ST30781OOOO","description":"\u003cp\u003eThe Lauritz Knudsen HQ Size B3 HRC Fuse is a heavy-duty bolted fuse link engineered for reliable protection of high-current industrial circuits. Rated at 250A, this fuse is designed to safely interrupt overloads and short-circuit faults, ensuring protection of feeders and connected equipment in demanding power distribution environments.This HQ-type bolted fuse features a centre-tag fixing with two mounting holes, providing strong mechanical stability and secure electrical contact, even under high thermal and fault stress. It is suitable for FN 250 \/ 315 S-D-F switch-fuse units, making it an ideal choice for LT panels, MCCs, and feeder protection applications.Manufactured in compliance with IEC 60269-2 and IS 13703 Part 2, the HQ fuse series offers a high breaking capacity of up to 80kA, ensuring safe fault interruption in high-power systems. Commonly used in industrial distribution boards, power control centres, and large electrical installations, this fuse delivers long service life and dependable performance.Meta Summary: Buy Lauritz Knudsen HQ Size B3 250A HRC Fuse online from Maheshwari Distributors – Genuine bolted fuse protection with fast pan-India delivery.\u003c\/p\u003e","brand":"Maheshwari Distributors","offers":[{"title":"Default Title","offer_id":43904953385002,"sku":"ST30781OOOO","price":621.15,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/1837\/9306\/files\/ST30781OOOO_6a18c69a-b11b-45c1-b6f9-3c16f047950d.jpg?v=1765973541","url":"https:\/\/www.mgckart.in\/products\/lauritz-knudsen-formerly-lt-switchgear-business-hrc-fuse-hq-size-b3-250a-bolted-st30781oooo","provider":"MGCKART","version":"1.0","type":"link"}