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Five cylindrical glass fuses with metal end caps

Bussmann

Bussmann GMC-4-R Glass Fuse 4A 10kA 125V AC 5PK

SKU CH-0DK6-NM8JP

A pack of five 4 A glass time-delay fuses rated for 125 V AC with a 10 kA interrupt rating and 20 mm cylindrical bodies

  • Time-delay protection prevents nuisance trips
  • 10 kA interrupt rating at 125 V AC handles high fault currents
  • Glass body allows visual inspection of element
  • 5 mm × 20 mm cylindrical size fits standard fuse blocks
  • Pack of five gives ready spares for maintenance

Glass Fuse 4A 125V AC

This pack contains five glass-bodied time-delay fuses rated at four amps and 125 volts AC. They suit low-voltage circuits in automotive, generator or small-appliance applications where a cylindrical 20mm by 5mm fuse is specified.

Installation notes

Each fuse slides into a compatible HTB-series fuse block without tools; the non-rejection body means it fits standard clips but offers no keying against wrong ratings. The single-element design blows cleanly on sustained overloads, so verify the circuit current before fitting.

Capacity and headroom

The 10kA interrupt rating at 125V AC handles high fault currents safely, while the time-delay characteristic tolerates brief inrush surges such as motor starts. Circuits drawing more than four amps continuously or operating above 125V AC need a different fuse rating or voltage class.

How it compares

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

Price $11.99
Cheaper than about 91% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameEATON BUSSMANN

Questions about this item

How can I confirm the fuse is functional after installation?

The fuse carries a 10 kA interrupt rating at 125 V AC and meets UL 248-14 guide JDYX, so the circuit should remain protected without nuisance opening.

What comes in the pack and is any accessory required?

The package contains five 4 A, 20 mm × 5 mm glass time-delay fuses; a compatible HTB series fuse block is sold separately.

Which version should I select for a 4 A 125 V AC time-delay glass fuse?

Choose the GMC-4-R 5-pack; it matches the 4 A, 125 V AC, 10 kA rating and fits cylindrical 20 mm × 5 mm holders.

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