Bussmann GBC-15
Cooper Bussmann GBC-15 Small Dimension Fuse User Manual
Model: GBC-15
Introduction
This manual provides essential information for the safe and effective use of the Cooper Bussmann GBC-15 Small Dimension Fuse. Please read this manual thoroughly before installation and operation.
Product Overview
The Cooper Bussmann GBC-15 is a small dimension fuse designed for circuit protection. It is manufactured by Cooper Bussmann and meets ISO and UL specifications, ensuring reliability and safety.

Image: A single Cooper Bussmann GBC-15 small dimension fuse, typically blue in color with copper end caps, designed for overcurrent protection in electrical circuits.
Setup and Installation
Proper installation is crucial for the safe and effective operation of the GBC-15 fuse. Always ensure power is disconnected before handling electrical components.
- Safety First: Disconnect all power to the circuit where the fuse will be installed or replaced. Verify power is off using a voltage tester.
- Identify Fuse Holder: Locate the appropriate fuse holder for the GBC-15 fuse. Ensure it is compatible with small dimension fuses.
- Insert Fuse: Carefully insert the GBC-15 fuse into the fuse holder. Ensure it is seated firmly and correctly. Do not force the fuse.
- Verify Rating: Always replace a blown fuse with a new fuse of the exact same type and rating (e.g., GBC-15). Using an incorrect fuse can lead to damage or fire.
- Restore Power: Once the fuse is securely installed, restore power to the circuit.
Note: If you are unsure about the installation process, consult a qualified electrician.
Operating Principles
The GBC-15 fuse is a passive overcurrent protection device. It contains a metal wire or filament that melts when the current flowing through it exceeds its rated capacity for a certain duration. This interruption of the circuit protects electrical components from damage due to overcurrents or short circuits.
- Normal Operation: Under normal operating conditions, the fuse allows current to flow freely through the circuit.
- Overcurrent Event: If an overcurrent or short circuit occurs, the fuse element heats up and melts, creating an open circuit and stopping the flow of electricity.
- Non-Resettable: Fuses are single-use devices. Once a fuse blows, it must be replaced.
Maintenance
The Cooper Bussmann GBC-15 fuse requires no routine maintenance. It is designed to be a fit-and-forget component until an overcurrent event occurs.
- Inspection: Periodically inspect the fuse and its holder for any signs of physical damage or corrosion, especially if the circuit experiences frequent overcurrents.
- Replacement: The only maintenance action required is the replacement of a blown fuse.
Troubleshooting
If a circuit protected by a GBC-15 fuse stops functioning, the most common cause is a blown fuse.
| Symptom | Possible Cause | Solution |
|---|---|---|
| Circuit is dead / No power | Blown fuse |
|
| New fuse blows immediately | Persistent overcurrent or short circuit in the system | Do not continue to replace fuses without addressing the underlying issue. This indicates a fault in the circuit or connected device. Consult a qualified technician to diagnose and repair the electrical fault. |
Specifications
| Attribute | Detail |
|---|---|
| Model Number | GBC-15 |
| Brand | Bussmann (Cooper Bussmann) |
| Type | Small Dimension Fuse |
| Compliance | ISO, UL |
| Package Dimensions | Approximately 3 x 2 x 2 inches |
| Weight | Approximately 1 Pound (shipping weight) |
| UPC | 051712715027 |
What's in the Box
- One (1) Cooper Bussmann GBC-15 Small Dimension Fuse
Warranty Information
Specific warranty details for the Cooper Bussmann GBC-15 fuse are typically provided by the point of purchase or the manufacturer's official documentation. As a consumable electrical protection device, fuses are generally warranted against manufacturing defects rather than operational lifespan, as their function is to sacrifice themselves to protect a circuit.
For detailed warranty terms, please refer to the packaging or contact Cooper Bussmann directly via their official website.
Support and Contact
For technical support or further inquiries regarding the Cooper Bussmann GBC-15 fuse, please contact the manufacturer:
- Manufacturer: Cooper Bussmann (an Eaton brand)
- Website: Refer to Eaton's official website for Bussmann product support.
- Customer Service: Contact information can typically be found on the manufacturer's website.