Bussmann FWX-12A14F Eaton Series High-Speed Fuse, 12A, 250V
The Bussmann FWX-12A14F is a high-speed fuse from the Eaton Bussmann series FWX line, engineered for demanding semiconductor and DC power protection applications. Rated 12A at 250V AC/DC with a breaking capacity of 200A, this non-indicating fuse features a ferrule end x ferrule end termination for straightforward installation into compatible fuse holders. Classified in utilization category aR (accompanied semiconductor protection), it is designed to protect DC common bus systems, DC drives, power converters/rectifiers, and reduced voltage starters.
Key Features
- Amperage Rating: 12A high-speed fuse for precise overcurrent protection in semiconductor circuits.
- Termination: Ferrule end x ferrule end configuration for compatibility with standard high-speed fuse holders.
- Breaking Capacity: 200A interrupting rating for reliable performance under fault conditions.
- Voltage Rating: 250V AC/DC dual-rated for use in both AC and DC power systems.
- Frequency Rating: Rated from 45 Hz to 62 Hz for standard AC applications.
- Utilization Category: aR (accompanied semiconductor protection) for coordinated protection of semiconductor devices.
- Fuse Shape: Cylindrical body for standard fuse block and holder compatibility.
- Application: Protection of DC common bus, DC drives, power converters/rectifiers, and reduced voltage starters.
Technical Specifications
- Amperage Rating: 12 A
- Application: protection of DC common bus, DC drives, power converters/rectifiers and reduced voltage starters
- Breaking Capacity: 200 A
- Compliances: Contact factory
- Frequency Rating Max: 62 Hz
- Frequency Rating Min: 45 Hz
- Fuse Shape: Cylindrical
- Packaging Type: Standard
- Product Height: 32 mm
- Product Length Depth: 55 mm
- Product Weight: 21.2 g
- Product Width: 73 mm
- Release Characteristic: Other
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 250 V
- Voltage Type: AC/DC
Typical Applications
- DC Common Bus Protection
- DC Drive Circuit Protection
- Power Converter and Rectifier Protection
- Reduced Voltage Starter Circuits
- Semiconductor Device Protection Circuits
Why Bussmann?
Bussmann high-speed fuses are built for the demanding job of protecting sensitive semiconductor devices in DC drives, converters, and rectifiers, where fast clearing under fault conditions is essential. The FWX-12A14F's aR utilization category, 250V AC/DC voltage rating, and 200A breaking capacity reflect the coordinated protection performance professionals rely on when specifying fuses for power electronics and industrial DC power systems, and its cylindrical ferrule end x ferrule end body drops into standard high-speed fuse holders for straightforward replacement in existing installations.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 12 A
- Breaking Capacity:
- 200 A
- Compliances:
- Contact factory
- Connection:
- Ferrule end x ferrule end
- Frequency Rating Max:
- 62 Hz
- Frequency Rating Min:
- 45 Hz
- Fuse Indicator:
- Non Indicating
- Fuse Shape:
- Cylindrical
- Packaging Type:
- Standard
- Product Height:
- 32 mm
- Product Length Depth:
- 55 mm
- Product Weight:
- 21.2 g
- Product Width:
- 73 mm
- Release Characteristic:
- Other
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 250 V
- Voltage Type:
- AC/DC
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- High speed fuse
- Product Details:
- High speed fuse