Bussmann
Bussmann GDC-4A Glass Fuse 4A 250V AC Time-Delay 5 PK
Five-pack of 4 A, 250 V AC time-delay glass fuses with a 35 A interrupt rating
- Time-delay action prevents nuisance trips
- 4 A rating protects circuits at 250 V AC
- 35 A interrupt rating handles fault currents safely
- 20 mm × 5 mm glass body fits standard holders
- Pack of five gives ready spares for maintenance
Bussmann GDC-4A Glass Fuse Overview
The Bussmann GDC-4A is a cylindrical glass fuse rated at 4 amps and 250 volts AC. It features a time-delay characteristic designed to tolerate temporary surge currents without opening. The fuse measures 20 mm in length and 5 mm in diameter. This pack contains five pieces for replacement or spare inventory.
Time-Delay Protection for Circuits
The time-delay design prevents nuisance blowing during brief inrush events such as motor start-up or transformer energising. It carries a 35 A interrupting rating at 250 V AC, clearing fault currents safely within that limit. The non-rejection body style fits standard fuse blocks including the compatible HTB series. No special rejection feature is required for installation.
Capacity and Headroom Details
The fuse operates continuously at its 4 A rating and withstands short-term overloads up to the time-delay curve limit. It is rated to interrupt a maximum of 35 A at 250 V AC; fault currents above that level require upstream protection. The glass body allows visual inspection of the element status. This pack suits circuits needing 4 A time-delay protection within the stated interrupting capacity.
Highlights
- Time-delay action prevents nuisance trips
- 4 A rating protects circuits at 250 V AC
- 35 A interrupt rating handles fault currents safely
- 20 mm × 5 mm glass body fits standard holders
- Pack of five gives ready spares for maintenance
Specifications
| Brand | EATON BUSSMANN |
|---|
Questions about this item
How long will a 4 A glass fuse survive a continuous overload before it opens?
The time-delay element tolerates temporary surges, but sustained current above 4 A will melt the element; exact clearing time depends on the overload magnitude.
How hot does the fuse body get during normal 4 A operation?
Glass body temperature rises with ambient and contact resistance; the fuse is rated for 250 V AC circuits and carries 4 A continuously within its thermal limits.
What fuse holder or block do I need to install these 5 mm × 20 mm fuses?
Compatible HTB-series fuse blocks accept the 5 mm diameter by 20 mm length cylindrical body; verify the block’s voltage and current ratings match your circuit.
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