Bussmann
Bussmann GDC-315MA Glass Fuse 315mA 250V AC 35A 5 PK line protection
Pack of five 315 mA glass time-delay fuses rated 250 V AC with a 35 A interrupt rating
- Time-delay operation protects against brief surges
- 35 A interrupt rating clears faults at 250 V AC
- 5 mm × 20 mm glass body fits standard holders
- cURus, CE and IMQ certifications confirm compliance
- Pack of five supplies spares for maintenance
What the GDC-315MA fuse protects
The Bussmann GDC-315MA is a 315 mA time-delay glass fuse rated for 250 V AC with a 35 A interrupt rating. It suits low-current control circuits, instrumentation and small appliance line protection where a cylindrical 20 mm by 5 mm fuse is specified.
Thermals noise and power in circuit use
The glass body and single-element design carry normal load without audible noise. Time-delay action tolerates brief inrush current while still opening on sustained overcurrent. Heat rise stays within the limits implied by the 250 V AC rating and 35 A breaking capacity.
When a direct GDC replacement is the right move
This pack replaces Bussmann GDC, S506, Littelfuse 218 and Mersen GDG equivalents in existing fuse blocks such as the HTB series. The jump is worth it when the original fuse is blown or ageing and the application demands the same 315 mA time-delay characteristic.
Highlights
- Time-delay operation protects against brief surges
- 35 A interrupt rating clears faults at 250 V AC
- 5 mm × 20 mm glass body fits standard holders
- cURus, CE and IMQ certifications confirm compliance
- Pack of five supplies spares for maintenance
Specifications
| Brand | EATON BUSSMANN |
|---|
Questions about this item
How do I install the 5 mm diameter glass fuse into the HTB fuse block without damaging the glass body?
Insert the cylindrical fuse straight into the HTB block clips until the metal end caps seat firmly; the step people get wrong is twisting the glass tube, which can crack the 20 mm long body.
When should I replace the GDC-315MA time-delay fuse after it has operated?
Replace the fuse immediately after it interrupts a fault; the single-element 315 mA link cannot be reset and the glass body shows no reusable indication once the element has melted.
What is the maximum fault current the 250 V AC fuse can safely interrupt before the glass tube ruptures?
The interrupt rating is 35 A at 250 V AC; sustained fault currents above that level can exceed the glass body's containment capability.
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