

The Lauritz Knudsen HRC Fuse HN Size III 400A is engineered for high-performance industrial circuit protection. Designed with a high rupturing capacity to safely disconnect heavy fault currents, this fuse ensures dependable safeguarding of electrical panels, feeders, and switchgear systems.Built to be fully compatible with FN 630/800 and FNX 630/800 S-D-F fuse-switch units, it also fits seamlessly into HB 800 fuse bases, making it a versatile replacement option across diverse industrial installations. The bolted terminal construction enhances mechanical strength, prevents loosening, and ensures stable contact even under vibration-heavy environments.Rated at 400A, this fuse is ideal for large commercial loads, industrial machinery, MCC panels, main incomers, and critical distribution networks requiring consistent and safe interruption capability. Its durable build ensures long service life and high thermal endurance.Buy Lauritz Knudsen HRC Fuse HN Size III 400A online from Maheshwari Distributors – Genuine LK product with reliable delivery across India.
Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
– Received the wrong item.
– Item arrived not as expected (ie. damaged packaging).
– Item had defects.
– Over delivery time.
– The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.
Recently Viewed
People Also Bought
Here’s some of our most similar products people are buying. Click to discover trending style.
![KEI WIRE 1CORE 0.5SQMM [HOMECAB - FR] YELLOW 100MTR](http://www.mgckart.in/cdn/shop/files/1core-0.5sqmm-homecab---fr-yellow-90mtr.jpg?v=1717766357&width=533)







