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Five glass cylindrical fuses with metal end caps

Eaton Bussmann

Eaton Bussmann MDQ-2-1/2 Glass Fuse 2.5 A 250 V AC 100 A interrupt 5 pack

SKU CH-BSHR-0085G

Protects circuits with 2.5 A, 250 V AC glass time-delay fuses rated for 100 A interrupt, supplied in a pack of five

  • Reliable circuit protection from a 2.5 A time-delay glass fuse
  • Handles short circuits safely with a 100 A interrupt rating at 250 V AC
  • Convenient 5-pack keeps spare fuses on hand for quick replacement
  • Compatible with MDL, MDQ, MDV, MDX, 313, 315, GDL and GDV series
  • Durable glass body resists heat and vibration in demanding environments

Eaton Bussmann MDQ Glass Fuse 2.5 A

This Eaton Bussmann MDQ series glass fuse provides time-delay circuit protection rated at 2.5 A and 250 V AC. The cylindrical body measures 1-1/4 inches long by 1/4 inch diameter and carries a 100 A interrupt rating at 250 V AC. Supplied in a pack of five for convenient replacement stock.

Suits low-voltage equipment needing time-delay

Ideal for control circuits, instrumentation and small appliances that experience brief inrush currents. Not suitable for high-current mains distribution or applications requiring a rejection-type fuse body. Buyers needing a different current rating or a ceramic body should select an alternative series.

Fits standard 1-1/4 in x 1/4 in fuse holders

The non-rejection cylindrical design drops into common panel-mount clips, PCB blocks or in-line holders without modification. Time-delay characteristic prevents nuisance opening during motor start-up or transformer energisation. Equivalent to Bussmann MDL, MDV, MDX and Littelfuse 313, 315 series for cross-reference convenience.

How it compares

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

Price $21.99
Cheaper than about 77% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameEATON BUSSMANN

Questions about this item

What fuse holder size is required for the 1-1/4 in length and 1/4 in diameter glass body?

A standard 1-1/4 inch by 1/4 inch cylindrical fuse holder or clip set is needed to secure the glass body and make contact with the end caps.

Can these time-delay fuses replace fast-acting MDL series fuses in the same equipment?

Yes, the MDQ series is listed as equivalent to the MDL series, but the time-delay characteristic allows brief surges without opening, so verify the circuit needs that behavior.

How do I confirm the fuse has operated correctly after a fault event?

Inspect the glass tube; a visible break in the internal element or discoloration indicates the fuse interrupted the 100 A fault current at 250 V AC as rated.

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