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Five cylindrical glass fuses with silver end caps

Eaton Bussmann

Eaton Bussmann GDC-5A Glass Fuse 5A 250V AC Time-Delay 5 Pack

SKU CH-XB1K-SXZ56

Glass time-delay fuse rated 5 A 250 V AC with 35 A interrupt capacity, supplied in a pack of five

  • Time-delay action protects circuits from brief surges
  • 5 A rating at 250 V AC suits many low-voltage applications
  • 35 A interrupt rating clears faults safely
  • Glass cylindrical body fits standard 20 mm × 5 mm fuse holders
  • Pack of five provides ready spares for maintenance

What This Fuse Pack Provides

This pack contains five Eaton Bussmann GDC-5A glass tube fuses rated at 5 amps and 250 volts AC. They use a time-delay design to tolerate brief inrush currents without opening, making them suitable for protecting generator circuits, control panels and similar low-voltage equipment where momentary surges are normal. Each fuse has a cylindrical glass body measuring 20 mm long by 5 mm diameter.

Sustained Load Behaviour

The time-delay element allows temporary overloads such as motor start-up currents to pass while still interrupting sustained fault currents up to the 35-ampere breaking capacity at 250 volts AC. Under continuous operation at or below the 5-ampere rating the fuse runs cool and remains intact; only a prolonged over-current condition will melt the element and open the circuit. The glass body lets you visually confirm the element status after a fault.

Check Before Ordering

Verify that your fuse holder accepts a 20 mm by 5 mm cylindrical glass fuse and that the circuit voltage does not exceed 250 volts AC. Confirm the required interrupt rating is met by the 35-ampere specification and that a time-delay characteristic matches the application. Cross-reference the GDC series with equivalents such as Bussmann S506, Littelfuse 218 or Mersen GDG if you are replacing an existing part number.

Highlights

  • Time-delay action protects circuits from brief surges
  • 5 A rating at 250 V AC suits many low-voltage applications
  • 35 A interrupt rating clears faults safely
  • Glass cylindrical body fits standard 20 mm × 5 mm fuse holders
  • Pack of five provides ready spares for maintenance

Specifications

BrandEATON BUSSMANN

Questions about this item

How much heat does the 5 A time-delay fuse generate during continuous all-day operation?

The fuse is rated for 5 A at 250 V AC with a 35 A interrupt rating. It dissipates minimal heat under normal load and is designed for sustained operation within its current rating.

What fuse holder or block is required to use these 20 mm × 5 mm cylindrical glass fuses?

They fit the compatible HTB series fuse blocks and any standard 5 mm × 20 mm fuse holder or panel mount clip designed for non-rejection glass fuses.

Will the GDC-5A protect older equipment that originally used Littelfuse 218 or Mersen GDG fuses?

Yes. The GDC-5A is listed as equivalent to Littelfuse 218, Mersen GDG and Bussmann S506 series, so it directly replaces those older fuses in existing holders.

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