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Bussmann

Bussmann GDB-250MA 250 mA 250 VAC Glass Fuse

SKU CH-QTK2-P3D67

A 250 mA, 250 VAC fast-acting glass fuse rated for 35 A interrupting capacity at 250 VAC in a 20 mm by 5 mm cylindrical body

  • TypeCircuit Breakers
  • Fast-acting protection clears faults quickly
  • 250 VAC rating suits mains-voltage circuits
  • 35 A interrupt capacity handles short-circuit energy
  • Standard 20 mm × 5 mm glass body fits common holders
  • UR and VDE 40014109 listings confirm safety compliance

Bussmann GDB-250MA 250 mA Glass Fuse

The Bussmann GDB-250MA is a cylindrical fast-acting glass fuse rated at 250 mA and 250 VAC. It suits low-current circuit protection in equipment such as instrumentation, power supplies or lighting ballasts where a 5 mm by 20 mm cartridge fits the holder.

Fast-Acting 250 VAC Interrupt Limits

The fuse carries a 35 A interrupt rating at 250 VAC, meaning it can safely break fault currents up to that level without rupture. Its single-element, non-rejection construction means it will not discriminate between temporary inrush and sustained overload, so nuisance blows can occur in circuits with high start-up surges.

Replaces GDB, S500, 217 and GSB Series

Direct cross-references include Bussmann GDB and S500, Littelfuse 217 and Mersen GSB equivalents, simplifying sourcing for maintenance teams. The jump is worth it when the existing holder accepts the 5 mm diameter and the application demands UR and VDE recognised protection.

Highlights

  • Fast-acting protection clears faults quickly
  • 250 VAC rating suits mains-voltage circuits
  • 35 A interrupt capacity handles short-circuit energy
  • Standard 20 mm × 5 mm glass body fits common holders
  • UR and VDE 40014109 listings confirm safety compliance

Specifications

BrandEATON BUSSMANN
TypeCircuit Breakers

Questions about this item

Should I choose the 250 mA version or the 500 mA version for my circuit?

This listing is for the 250 mA version only; select it when your circuit requires a 250 mA rating.

What does the 250 VAC rating mean when the fuse is installed in my equipment?

It means the fuse is rated to interrupt safely on circuits up to 250 V AC.

The fuse has a 35 A interrupt rating at 250 V AC — what does that cap in practice?

It caps the maximum prospective fault current the fuse can safely break to 35 A at 250 V AC.

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