NH fuses are typically used for distribution applications and to large electrical devices such as motors, drives, etc. NH fuses have knife blades at both ends, which mount into one or three pole fuse bases. Fuse bases can be panel or DIN rail mounted.
Eaton Bussmann series low voltage NH Fuse, Live gripping lug, 500V, 50A, 120 kAIC, Combination fuse status indicator, Blade end connection, Class C gL/gG, Square-body with knife blade contact, Metal plated copper contact plate, Ceramic body