Description

This is a heavy-duty NH2 plug fuse designed for industrial electrical protection.
It's available in a bunch of amp ratings and voltage options – 250A, 315A, 355A, and 400A, in either 500V or 690V versions.
The model number you're looking at is 250/355/315NHG2B for the 500V line, and 400NHG2B-690V for the 690V line.
These are the kind of fuses you find in serious electrical panels, switchgear, and distribution systems – not your typical household plug fuse.

Fuse 250/355/315NHG2B NH2 500V 315A 400NHG2B-690V(500V 250A

They're built to handle high currents and protect expensive equipment from shorts and overloads.

AEVFMQWM Fuse 250/355/315NHG2B NH2 500V 315A 400NHG2B-690V(690V 355A

The NH2 size is a standard industrial format, so it drops right into compatible fuse holders.

RAKNXAAUK Fuse 250/355/315NHG2B NH2 500V 315A 400NHG2B-690V(690v 400a

Construction is rugged, with reliable arc-quenching capability.

20-004-13/315A | 2000413.315A | SIBA NH2 315A GL DIN 500V BLADE

Just make sure you pick the right amp and voltage rating for your setup – double-check your existing fuse or consult your electrician.
Packaged as individual units.

Fusible 250/355/315NHG2B NH2 500V 315A 400NHG2B-690V (500V 400A

If you're maintaining industrial machinery, this is the kind of part you want a spare of.
Solid, dependable, and ready for heavy use.

Fusivel Nh 2 Ret 500V 315A 120Ka 315NHG2B - Bussmann