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Five cylindrical glass fuses with metal end caps

Bussmann

Bussmann GMD-750-R Glass Fuse 750mA 250V AC 10kA 125V AC 5 pack

SKU CH-MTAD-62VN2

Pack of five 20 mm glass time-delay fuses rated 750 mA at 250 V AC with a 10 kA interrupt rating at 125 V AC

  • Time-delay protection handles surges without nuisance blows
  • 10 kA interrupt rating at 125 V AC clears heavy faults safely
  • Glass cylindrical body fits standard 20 mm x 5 mm fuse holders
  • CSA Class 1422-01 and UL 248-14 certifications confirm compliance
  • Pack of 5 provides ready spares for maintenance

Glass Fuse for Circuit Protection

The Bussmann GMD-750-R is a cylindrical glass fuse rated at 750 mA and 250 V AC with a time-delay characteristic. It suits low-current circuits in automotive, generator or industrial equipment where a 5 mm by 20 mm cartridge fits. Each pack contains five fuses for spares or multiple installations.

Replaces Standard Fast-Acting Cartridges

Choose this time-delay version when the circuit experiences brief inrush currents that would nuisance-trip a fast-acting fuse. The 100 A interrupt rating at 250 V AC and 10 kA at 125 V AC cover typical panel and generator fault levels. It directly crosses to Littelfuse 239 and Mersen GSC series parts.

Verify Holder Compatibility Before Buying

Confirm the fuse block accepts a 5 mm diameter by 20 mm length cylindrical body and a non-rejection base; the HTB series is listed as compatible. Ensure the circuit voltage does not exceed 250 V AC and the required interrupt rating matches the 100 A or 10 kA figures. This fuse is not suited for DC circuits or higher voltage applications.

How it compares

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

Price $18.99
Cheaper than about 80% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameEATON BUSSMANN

Questions about this item

Will the 20 mm length and 5 mm diameter fit a standard 5x20 mm fuse holder?

Yes, the cylindrical glass body measures 20 mm long by 5 mm in diameter, matching the common 5x20 mm footprint used in many fuse blocks and panels.

How do I install these time-delay fuses without damaging the glass body?

Press each fuse straight into the clips of a compatible HTB-series fuse block until the metal end caps seat firmly; avoid twisting or excessive force that can crack the glass.

When should I replace a fuse from this 5-pack after it blows?

Replace it immediately with another 750 mA, 250 V AC time-delay fuse of the same 5x20 mm size to maintain the 100 A interrupt rating at 250 V AC and 10 kA at 125 V AC.

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