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Bussmann 170M4268 Eaton Series High Speed Square Body Fuse, Class aR
The Bussmann 170M4268 is an Eaton series high speed square body fuse engineered for demanding semiconductor protection applications. Rated 800A with a voltage rating of 700V (UL) and 550V (IEC), this Class aR fuse delivers a 200 kAIC interrupt rating and features a blade end x blade end connection built to the DIN 43 620 form factor. The square body design with slotted center bolted tags supports reliable, code-compliant performance in high-speed protection circuits for industrial power electronics.
Key Features
- Amperage Rating: 800A supports high-current semiconductor protection circuits.
- Voltage Rating: 700V (UL) / 550V (IEC) for compatibility with both UL and IEC-rated systems.
- Interrupt Rating: 200 kAIC delivers high fault-current withstand capability.
- Utilization Category: Class aR, accompanied semiconductor protection duty.
- Fuse Shape: Square body construction with slotted center bolted tags for a secure, low-resistance connection.
- Connection Style: Blade end x blade end termination built to the DIN 43 620 body standard.
- Application: Purpose-built for semiconductor protection in power electronic assemblies.
Certifications & Compliance
- UL-Rated at 700V
- IEC Rated at 550V
- CE Marked
Technical Specifications
- Amperage Rating: 800 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Clearing I2t: 850000 at 660 V
- Clearing Loss: 95
- Compliances: CE Marked
- Fuse Shape: Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs (Imgl): No
- Packaging Type: Standard
- Pre Arc I2t: 52000
- Product Height: 62 mm
- Product Length Depth: 245 mm
- Product Weight: 504.6666667 g
- Product Width: 142 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
Typical Applications
- Semiconductor Protection Circuits
- High-Speed Power Electronics Assemblies
- Industrial Drive and Rectifier Protection
- Commercial and Industrial Electrical Systems Requiring IEC/UL Compliance
Why Bussmann?
Bussmann by Eaton engineers this high speed square body fuse with a robust square body and slotted center bolted tag design to deliver dependable, code-compliant performance in demanding semiconductor protection applications. With a 200 kAIC interrupt rating, Class aR utilization category, IEC rating, and CE marking, this fuse is built for reliable protection in industrial power electronics. Choose Bussmann for consistent, standards-compliant fuse protection backed by the Eaton engineering behind every square body fuse in the series.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 800 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 850000 at 660 V
- Clearing Loss:
- 95
- Compliances:
- CE Marked
- Connection:
- Blade end x blade end
- Fuse Indicator:
- Other
- Fuse Shape:
- Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 200 kAIC
- Mounting Method:
- DIN 43 620
- Packaging Type:
- Standard
- Pre Arc I2t:
- 52000
- Product Height:
- 62 mm
- Product Length Depth:
- 245 mm
- Product Weight:
- 504.6666667 g
- Product Width:
- 142 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 690 V
- Voltage Type:
- AC
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse