Bussmann
Bussmann GDC-63MA Glass Fuse 63mA 250V 35A 5pk
Time-delay glass fuse rated 63 mA at 250 V AC with a 35 A interrupt rating, supplied in a pack of five
- Time-delay operation protects against nuisance trips
- 35 A interrupt rating at 250 V AC handles fault currents
- Glass cylindrical body 20 mm × 5 mm fits standard holders
- cURus and IMQ certified for safety compliance
- Pack of five ensures spares for maintenance
Glass Fuse 63 mA 250 V AC
The Bussmann GDC-63MA is a cylindrical glass fuse rated at 63 mA and 250 V AC. It suits low-current circuits in instrumentation, control panels and similar equipment where precise over-current protection is required. The 5 mm diameter by 20 mm length body fits standard 5 × 20 mm fuse holders. Each pack contains five identical fuses.
Time-Delay Behaviour Under Sustained Load
The time-delay characteristic allows the fuse to withstand brief inrush currents without opening, while still interrupting a sustained overload. During a prolonged fault the single-element design melts cleanly once the current exceeds the rated value for the defined duration. The glass body lets you verify the element visually after an event.
Interrupt Rating and Standard Compliance
The fuse carries a 35 A interrupt rating at 250 V AC, limiting its use to circuits where prospective short-circuit current stays below that level. It is listed to cURus guide JDYX2/JDYX8 file E19180 and IMQ file E1921, and meets standard CA 03.00530. Circuits with higher available fault current need a fuse with a greater interrupt rating.
Highlights
- Time-delay operation protects against nuisance trips
- 35 A interrupt rating at 250 V AC handles fault currents
- Glass cylindrical body 20 mm × 5 mm fits standard holders
- cURus and IMQ certified for safety compliance
- Pack of five ensures spares for maintenance
Specifications
| Brand | EATON BUSSMANN |
|---|
Questions about this item
Does the 35 A interrupt rating at 250 V AC mean the fuse runs hot during continuous use?
The 35 A rating is the maximum fault current the fuse can safely break, not its operating temperature; the 63 mA fuse element carries only its rated current in normal service.
What fuse holder or block series is required to fit the 20 mm × 5 mm cylindrical body?
The GDC series fits compatible HTB fuse blocks designed for 20 mm × 5 mm glass cartridge fuses.
Will these GDC-series fuses replace older 218-series or S506-series parts in existing equipment?
Yes, the GDC series is listed as equivalent to Littelfuse 218, Bussmann S506 and Mersen GDG series for direct replacement.
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