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Five glass tube fuses with metal end caps

Bussmann

Bussmann GMA-3-R Glass Fuse 3A 250V 5 Pack

SKU CH-BV1E-DYE0V

Pack of five fast-acting 3 A glass fuses rated 250 V AC with a 100 A interrupt rating

  • Fast-acting protection clears faults quickly
  • Glass body allows visual inspection of element
  • 3 A rating suits low-current circuits
  • 250 V AC rating covers mains-voltage applications
  • Pack of five provides ready spares

Purpose & Fit

The Bussmann GMA-3-R is a fast-acting glass fuse rated at 3 A and 250 V AC, supplied in a pack of five. It suits technicians and hobbyists protecting low-current circuits in automotive, marine or light-industrial equipment where a cylindrical 5 mm x 20 mm fuse is specified.

Capacity & Headroom

Each fuse carries 3 A continuously and interrupts up to 100 A at 250 V AC or 10 kA at 125 V AC. The fast-acting element clears short-circuits quickly, but the 3 A rating leaves no headroom for sustained loads above that value, so it cannot protect circuits that regularly draw more current.

Interface Limits

The 5 mm diameter by 20 mm length body fits standard GMA/235/GGM fuse blocks such as the HTB series. It is a non-rejection type, so it will insert into any compatible holder without a keying feature. Certifications include CE, CSA Class 1422-01, UL Guide JDYX and PSE approval.

How it compares

Measured against everything we stock in Breakers & Circuit Protection, at today’s prices. Recalculated every night.

Price $6.99
Cheaper than about 96% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameEATON BUSSMANN

Questions about this item

Will the 3 A, 250 V AC fast-acting glass fuse protect the same circuits as my existing 20 mm × 5 mm cylindrical fuses?

Yes, the 20 mm length and 5 mm diameter match the standard GMA / 235 / GGM form factor used in compatible HTB fuse blocks.

How can I confirm the fuse is operating correctly once installed?

A good fuse shows continuity across the ends; if the element is intact the circuit will carry its rated 3 A without interruption.

What does the 5-pack contain and is any extra hardware required?

The pack includes five glass-bodied GMA-3-R fuses; no additional hardware is included, so a suitable HTB-series fuse block must be sourced separately.

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