Bussmann 170M-021 High-Speed Square Body Fuse, Class aR
The Bussmann 170M-021 is an Eaton Bussmann series high-speed square body fuse engineered for semiconductor protection in AC power systems. Rated 660V with a 200 kAIC interrupt rating, this Class aR fuse features a square body with offset bolted tags and is available in 63A, 80A, and 100A ratings to match circuit protection requirements. Its aR utilization category is built for accompanied semiconductor protection duty.
Key Features
- Amp Rating Range: Available in 63A, 80A, and 100A ratings to match varying circuit protection needs.
- Voltage Rating: 660V AC voltage rating for demanding power electronics applications.
- Interrupt Rating: 200 kAIC high interrupt capacity for reliable short-circuit protection.
- Utilization Category: Class aR (accompanied semiconductor protection) for use alongside semiconductor devices.
- Fuse Shape: Square body construction with offset bolted tags for secure, low-resistance mounting.
- Application: Purpose-built for semiconductor protection in AC systems.
- Voltage Type: AC voltage type.
Technical Specifications
- Voltage Type: AC
- Product Width: 102 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Packaging Type: Standard
- Fuse Shape: Square body, offset bolted tags
- Product Height: 40 mm
- Application: semiconductor protection
- Insulated Metal Gripping Lugs Imgl: No
- Product Weight: 48.2 g
- Compliances: Contact factory
- Product Length Depth: 140 mm
- Voltage Rating: 660V
Typical Applications
- Semiconductor Protection Circuits
- Power Electronics and AC Drive Systems
- Industrial Motor Control Applications
- Rectifier and Converter Protection
- Commercial and Industrial Electrical Installations
Why Bussmann?
Bussmann by Eaton is a recognized leader in circuit protection, and this Class aR square body fuse reflects that engineering standard with a 660V rating, 200 kAIC interrupt capacity, and construction built for semiconductor protection duty. For professionals specifying reliable overcurrent protection across a 63A to 100A range, the Bussmann 170M-021 series delivers consistent, dependable performance.
Manufacturer Resources
Product Specs
- Product Group:
- Fuses
- Class:
- Class aR
- Voltage Type:
- AC
- Product Width:
- 102 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Packaging Type:
- Standard
- Product Type:
- Fuse
- Interrupt Rating:
- 200 kAIC
- Fuse Shape:
- Square body, offset bolted tags
- Product Height:
- 40 mm
- Product Details:
- Fuse
- Application:
- semiconductor protection
- Insulated Metal Gripping Lugs Imgl:
- No
- Product Weight:
- 48.2 g
- Product Subgroup:
- Other Fuses
- Compliances:
- Contact factory
- Product Length Depth:
- 140 mm
- Department:
- Electrical
- Voltage Rating:
- 660V
- Amperage Rating:
- 63A-100A
- Configuration:
- Class aR
- Series:
- 170M