Bussmann 170M6248 High-Speed Square Body Fuse, 1250V, 1000A, 100kA, Class aR
The Bussmann 170M6248 is an Eaton Bussmann series high-speed square body fuse engineered for demanding semiconductor protection applications. Rated 1250 V (IEC) / 1300 V (UL) at 1000 A with a 100 kAIC interrupt rating, this Class aR fuse is built to the DIN 43 620 standard for accompanied semiconductor protection. It features a square body with slotted, center bolted tags and is UL Recognized and CE Marked for use in industrial power electronics and drive systems.
Key Features
- Electrical Rating: 1250 V (IEC), 1300 V (UL) at 1000 A with a 100 kAIC interrupt rating for high fault-current circuits.
- Utilization Category: Class aR (accompanied semiconductor protection) per DIN 43 620.
- Fuse Shape: Square body with slotted, center bolted tags for secure high-current connections.
- I2t Ratings: Pre-arc I2t of 450,000 and clearing I2t of 2,150,000 at 1000 V / 2,750,000 at 1250 V for precise semiconductor coordination.
- Watt Losses: 135 W rated power dissipation.
- Compact Dimensions: 168 mm length/depth x 95 mm width x 76 mm height, 961 g weight.
- Gripping Lugs: No insulated metal gripping lugs (IMGL).
Certifications & Compliance
- UL Recognized
- CE Marked
Technical Specifications
- Application: semiconductor protection
- Certifications: UL Recognized
- Clearing I2t: 2150000 at 1000 V, 2750000 at 1250 V
- Compliances: CE Marked
- Fuse Shape: Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs (Imgl): No
- Packaging Type: Standard
- Pre Arc I2t: 450000
- Product Height: 76 mm
- Product Length Depth: 168 mm
- Product Weight: 961 g
- Product Width: 95 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 1250 V (IEC), 1300 V (UL)
- Voltage Type: AC
- Watt Losses: 135 W
Typical Applications
- Semiconductor Protection Circuits
- Power Electronics and Rectifier Assemblies
- Industrial Drive and Motor Control Systems
- High-Speed Overcurrent Protection for Solid-State Devices
- Panelboard and Switchgear Fuse Replacement
Why Bussmann?
Bussmann, part of the Eaton family of electrical brands, engineers high-speed fuses to strict DIN 43 620 dimensional and performance standards for dependable semiconductor protection. With UL Recognized and CE Marked compliance, the 170M6248 delivers the precise I2t coordination and 100 kAIC interrupt rating that power electronics and industrial drive systems depend on for code-compliant, reliable performance.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 1000 A
- Application:
- semiconductor protection
- Certifications:
- UL Recognized
- Class:
- Class aR
- Clearing I2t:
- 2150000 at 1000 V, 2750000 at 1250 V
- Compliances:
- CE Marked
- Fuse Indicator:
- Other
- Fuse Shape:
- Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 100 kAIC
- Mounting Method:
- DIN 43 620
- Packaging Type:
- Standard
- Pre Arc I2t:
- 450000
- Product Height:
- 76 mm
- Product Length Depth:
- 168 mm
- Product Weight:
- 961 g
- Product Width:
- 95 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 1250 V (IEC), 1300 V (UL)
- Voltage Type:
- AC
- Watt Losses:
- 135 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse