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Cylindrical glass fuse 20mm by 5mm time delay 1.25A 250V AC

Bussmann

Bussmann GMC-1.25-R Glass Fuse 1.25A 250V AC 100A 10kA 125V AC line protection

SKU CH-7Q9W-HQPQY

Time-delay glass fuse rated 1.25 A with 100 A interrupt at 250 V AC and 10 kA at 125 V AC

  • Reliable 1.25 A circuit protection at 250 V AC
  • High 10 kA interrupt rating at 125 V AC for fault safety
  • Compact 20 mm × 5 mm glass body fits standard holders
  • Time-delay characteristic prevents nuisance trips on inrush
  • Meets CE, CSA Class 1422-01 and UL 248-14 standards

Product identity

The Bussmann GMC-1.25-R is a 1.25A glass fuse rated for 250V AC line protection. It suits maintenance engineers and hobbyists replacing a blown fuse in low-voltage equipment or control panels.

Verify before ordering

Confirm the existing fuse is a 20mm by 5mm cylindrical glass type with a time-delay characteristic. Check that the circuit demands a 100A interrupt rating at 250V AC or a 10kA rating at 125V AC. Ensure the fuse block accepts a non-rejection GMC series body.

What the pack changes

A pack of five fuses provides immediate spares for recurring faults or multi-point installations. The CE, CSA Class 1422-01 and UL 248-14 listings mean the parts meet recognised safety standards for compliant repairs. Compatibility with HTB series blocks simplifies sourcing the correct holder.

How it compares

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

Price $13.99
Cheaper than about 88% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameEATON BUSSMANN

Questions about this item

How many fuses come in the pack and do I need a separate holder?

The pack contains five 1.25 A glass fuses; a compatible HTB series fuse block must be purchased separately.

Should I choose the GMC, 239 or GSC equivalent series for my application?

GMC, Littelfuse 239 and Mersen GSC are direct equivalents; select the series that matches the existing fuse marking in your equipment.

What does the 100 A at 250 V AC interrupt rating mean once the fuse is installed?

It means the fuse can safely break a fault current up to 100 A at 250 V AC without rupturing.

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