Bussmann By Eaton FWH-300A High Speed Fuse

Bussmann by Eaton FWH-300A is a fast-acting high-speed fuse rated for 300 A in 500 V class circuits, part of the Bussmann FWH high-speed family. The fuse is designed for North American style blade terminals and comes in a 38.1 mm x 53 mm (1.5 in x 2.09 in) body, suitable for standard holders. It carries a nominal rating of 500 VAC and 500 VDC, and provides a symmetrical interrupting rating of up to 200 kAIC at 1000 VAC and 50 kAIC at 500 VDC, enabling rapid fault clearance in high-energy systems. The device is non-indicating, so it lacks a built-in visual status indicator. It is listed under UL 248-13 and also bears CSA and CE approvals, reflecting broad safety certification. Model FWH-300A is a key component for protecting power electronics and other high-energy circuits where precise 300 A protection and fast response are required.