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Bussmann 170M-369 Class aR High-Speed Square Body Fuse, 1250V, 100A
The Bussmann 170M-369 is a Class aR high-speed square body fuse engineered for semiconductor protection in demanding power electronics applications. Rated 1250V with a 100A ampacity and a 100 kAIC interrupt rating, this fuse features a square body construction with center bolted tags for secure, low-resistance connections. As an accompanied semiconductor protection (aR) device, the 170M-369 is built to safeguard sensitive power semiconductors from short-circuit and overcurrent conditions in rectifier and power electronic circuits. The fuse is CE marked for compliance in professional electrical installations.
Key Features
- Voltage Rating: 1250V for high-voltage power electronics and semiconductor circuits.
- Amperage Rating: 100A continuous current rating for reliable overcurrent protection.
- Interrupt Rating: 100 kAIC high interrupting capacity for demanding fault-current conditions.
- Utilization Category: Class aR, designed specifically for accompanied semiconductor protection.
- Fuse Shape: Square body construction with center bolted tags for secure mounting and low-resistance connections.
- Application: Purpose-built for semiconductor protection within power electronic assemblies.
- Compact Dimensions: 59 mm height, 156 mm length/depth, and 45 mm width for defined mounting footprints.
Certifications & Compliance
- CE Marked
Technical Specifications
- Application: semiconductor protection
- Utilization Category: aR (accompanied semiconductor protection)
- Product Height: 59 mm
- Product Length Depth: 156 mm
- Voltage Type: AC
- Voltage Rating: 1250V
- Insulated Metal Gripping Lugs Imgl: No
- Packaging Type: Standard
- Fuse Shape: Square body, center bolted tags
- Compliances: CE Marked
- Product Width: 45 mm
Typical Applications
- Semiconductor Device Protection
- Power Electronics and Rectifier Circuits
- Industrial Motor Drive Protection
- High-Speed Fault Current Interruption
- Commercial and Industrial Electrical Systems
Why Bussmann?
Bussmann by Eaton is a recognized name in circuit protection, and the 170M-369 Class aR fuse reflects that standard with a rugged square body construction, center bolted tags, and a 100 kAIC interrupt rating built for demanding semiconductor protection duty. With CE marking and precise electrical ratings of 1250V and 100A, this fuse delivers dependable, code-compliant performance for professional power electronics and industrial applications.
Manufacturer Resources
Product Specs
- Product Details:
- Fuse
- Application:
- semiconductor protection
- Utilization Category:
- aR (accompanied semiconductor protection)
- Product Type:
- Fuse
- Product Height:
- 59 mm
- Interrupt Rating:
- 100 kAIC
- Product Length Depth:
- 156 mm
- Product Group:
- Fuses
- Voltage Type:
- AC
- Voltage Rating:
- 1250V
- Product Subgroup:
- Other Fuses
- Insulated Metal Gripping Lugs Imgl:
- No
- Class:
- Class aR
- Packaging Type:
- Standard
- Fuse Shape:
- Square body, center bolted tags
- Department:
- Electrical
- Compliances:
- CE Marked
- Product Width:
- 45 mm