Overview
The Eaton Bussmann KBC-15 is a high-capacity semiconductor fuse rated for 1500 Vdc applications. Designed to protect sensitive semiconductor devices such as diodes, silicon controlled rectifiers (SCRs), and power conversion circuits, this fuse delivers dependable overcurrent protection with a 200 kA interrupting rating and non-indicating design.
Key Features
- 15A rated current with 1500 Vdc voltage rating
- High rupture capacity: 200 kA interrupting rating
- Non-indicating status — simple, reliable operation
- Standard-speed response for semiconductor applications
- Compact cartridge design for space-efficient mounting
- Suitable for DC link and power converter protection
Technical Specifications
| Amperage Rating | 15 A |
| Voltage Rating | 1500 Vdc |
| Interrupting Rating | 200 kA |
| Response Type | Standard Speed |
| Status Indication | Non-Indicating |
| Termination Type | Cartridge (standard contacts) |
| Series | Bussmann KBC |
| Manufacturer | Eaton Bussmann |
Typical Applications
- Semiconductor Protection: Protects diodes, SCRs, GTOs, and IGBTs in power electronics
- DC Power Conversion: Guards rectifier circuits and DC link capacitors in industrial drives
- Rail and Traction Systems: Used in DC power distribution for harsh electrical environments up to 4000 Vdc
- Power Converter Circuits: Provides isolation and protection in medium to high-voltage DC systems
Compatibility & Replacements
Compatible With
- DC power conversion circuits rated up to 1500 Vdc
- Semiconductor protection equipment and switchgear
- Industrial rectifier circuits and power converters
- High-voltage DC traction and rail systems
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator before ordering. Semiconductor fuse replacements require exact voltage and current matching to ensure proper circuit protection.
Works With
- Semiconductor fuse holders and cartridge-type housings
- Industrial switchgear and motor control centers
- Rectifier bridge circuits and DC power supply units
- Power distribution equipment rated for 1500 Vdc operation

