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Bussmann

Bussmann GMA-8-R Glass Fuse 8 A 125 V AC 200 kA 5 PK

SKU CH-KTDX-Q7YTJ

Fast-acting glass fuse rated 8 A at 125 V AC with a 200 A interrupt rating, supplied in a pack of five

  • Fast-acting protection clears faults quickly
  • 200 kA interrupt rating handles high fault currents
  • 8 A at 125 V AC suits low-voltage circuits
  • Glass cylindrical body fits standard 5 × 20 mm holders
  • Pack of five gives ready spares for maintenance

What it is

The Bussmann GMA-8-R is a glass tube fuse rated at 8 A and 125 V AC with a 200 kA interrupt rating. It comes in a pack of five and suits low-voltage circuits that require fast-acting overcurrent protection in a compact 20 mm by 5 mm cylindrical body.

The specification that matters

The interrupt rating of 200 kA at 125 V AC determines whether this fuse can safely clear a fault on your circuit. If your application demands a higher breaking capacity or a different voltage rating, this part will not meet the requirement.

Installation and common issues

The cylindrical 20 mm by 5 mm body fits standard HTB-series fuse blocks and equivalent holders from Littelfuse 235 or Mersen GGM series. A loose clip or oxidised contact often causes nuisance heating, so verify the holder grip and clean the terminals before fitting.

Highlights

  • Fast-acting protection clears faults quickly
  • 200 kA interrupt rating handles high fault currents
  • 8 A at 125 V AC suits low-voltage circuits
  • Glass cylindrical body fits standard 5 × 20 mm holders
  • Pack of five gives ready spares for maintenance

Specifications

BrandEATON BUSSMANN

Questions about this item

What does the 8 A rating mean for a circuit using this fuse?

The fuse will carry up to 8 A continuously and open quickly if current exceeds that value, protecting wiring and components downstream.

How does the 200 kA interrupt rating at 125 V AC limit real-world use?

It means the fuse can safely break fault currents up to 200 kA at 125 V AC; circuits with higher prospective short-circuit current need a higher-rated device.

What holder or block fits the 20 mm by 5 mm cylindrical glass body?

It fits standard 5 mm × 20 mm fuse clips or blocks such as the HTB series, which accept this non-rejection cylindrical form factor.

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