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Five cylindrical glass fuses with metal end caps

Bussmann

Bussmann GDC-250MA Glass Fuse 250mA 250V AC 35A 5 PK

SKU CH-HRM1-V0146

Time-delay glass fuse rated 250 mA at 250 V AC with a 35 A interrupt rating, supplied in a pack of five

  • Time-delay protection handles temporary surges without nuisance blowing
  • 35A interrupt rating at 250V AC clears faults safely
  • Standard 20mm x 5mm glass body fits common fuse holders
  • cURus and IMQ certifications confirm compliance with safety standards
  • Pack of five provides ready spares for maintenance needs

Glass Fuse for 250 V AC Circuits

The Bussmann GDC-250MA is a cylindrical glass fuse rated at 250 mA and 250 V AC with a 35 A interrupt rating. It suits technicians and engineers who need reliable overcurrent protection for low-current equipment and control circuits. The non-rejection design fits standard 5 mm fuse clips and blocks.

Time-Delay Characteristic and Pack Quantity

The time-delay element tolerates brief inrush currents without opening, reducing nuisance blows during start-up. Each pack contains five fuses, providing spares for maintenance or multi-circuit installations. Equivalent series references include 218, GDC, GDG and S506 for cross-referencing.

Suited for Glass-Fuse Holders.

This fuse works with compatible HTB fuse blocks and similar 5 mm holders. Buyers who need a rejection-style fuse for code-mandated protection or a higher current rating should look at a different product. The 20 mm length and glass body limit use to holders that accept this specific form factor.

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

Does the time-delay element in this 250 mA fuse require periodic replacement?

The fuse is a single-element, non-rejection glass cartridge. It operates once and must be replaced after it interrupts a fault; no scheduled maintenance is needed.

What stops the GDC-250MA from passing more current during a prolonged overload?

The time-delay element melts when sustained current exceeds 250 mA, opening the circuit before the 35 A interrupt rating is reached.

How much heat does the cylindrical glass body produce when running at 250 mA continuously?

At rated current the 20 mm x 5 mm glass body dissipates only a small fraction of a watt, so temperature rise in normal operation is minimal.

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