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Five new glass cylinder fuses with silver metal end caps

Bussmann

Bussmann GMC-100-R Glass Fuse 100mA 250V AC 5 pack

SKU CH-QSQZ-8RW7S

Pack of five glass time-delay fuses rated 100 mA at 250 V AC with 35 A interrupting capacity at that voltage

  • Time-delay operation protects circuits from momentary surges
  • 10 kA interrupt rating at 125 V AC handles high fault currents
  • 35 A interrupt rating at 250 V AC ensures safe disconnection
  • Glass cylindrical body allows visual inspection of element
  • Pack of five provides convenient spares for maintenance

EATON BUSSMANN GMC-100-R Glass Fuse 5 Pack

This pack contains five cylindrical glass fuses rated at 100 mA and 250 V AC. They suit low-current protection in control circuits, instrumentation or small appliances. The time-delay characteristic tolerates brief inrush currents without nuisance opening. Each fuse measures 20 mm in length and 5 mm in diameter.

Interrupt Rating 10 kA at 125 V AC

The interrupt rating is the specification that determines whether the fuse can safely clear a fault on your circuit. At 125 V AC it handles up to 10 kA; at 250 V AC it handles up to 35 A. Select this fuse only when the prospective short-circuit current at the installation point stays within those limits.

Fits HTB Series Fuse Blocks

The non-rejection cylindrical body fits compatible HTB series fuse blocks and cross-references to Littelfuse 239 and Mersen GSC holders. The single-element glass construction allows visual inspection of the element. Buyers who need a higher current rating or a different voltage class cannot use this part.

How it compares

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Price $20.99
Cheaper than about 78% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameEATON BUSSMANN

Questions about this item

What does the 100 mA rating mean once the fuse is installed?

The fuse will carry up to 100 mA continuously and open the circuit if current exceeds that value, protecting downstream components from sustained over-current.

What does the 35 A interrupt rating at 250 V AC cap in practice?

It limits the maximum prospective short-circuit current the fuse can safely break at 250 V AC to 35 A; circuits with higher available fault current need a higher-rated device.

What physical space does the 20 mm by 5 mm cylindrical body need to fit?

A fuse holder or block that accepts 5 mm diameter by 20 mm long glass cartridges, such as the compatible HTB series blocks.

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