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Bussmann 170M2670 High Speed Square Body Fuse, Class aR, 350A
The Bussmann 170M2670 is an Eaton Bussmann series high speed square body fuse engineered for demanding power electronics and semiconductor protection applications. Rated 700V (UL) / 690V (IEC) at 350A with a 200 kAIC interrupt rating, this Class aR fuse features a blade end x blade end connection and complies with the DIN 43 620 standard. Its square body design with slotted offset bolted tags provides secure, low-resistance connections in high-speed circuit protection systems.
Key Features
- Amperage Rating: 350A for reliable overcurrent protection in high-power circuits.
- Voltage Rating: 700V (UL) and 690V (IEC) for use in both UL- and IEC-governed installations.
- Interrupt Rating: 200 kAIC delivers high fault-current interrupting capability for demanding power electronics.
- Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection of power semiconductor devices.
- Connection Style: Blade end x blade end, square body with slotted offset bolted tags for secure mounting.
- Standard Compliance: Manufactured to the DIN 43 620 dimensional standard.
- I²t Characteristics: Pre-arc I²t of 13500 and clearing I²t of 91500 at 660V for predictable let-through energy.
- Watt Losses: 60W rated power loss for thermal system design.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Amperage Rating: 350 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Clearing I²t: 91500 at 660 V
- Compliances: CE Marked
- Fuse Shape: Square body, slotted offset bolted tags
- Insulated Metal Gripping Lugs (IMGL): No
- Packaging Type: Standard
- Pre Arc I²t: 13500
- Product Height: 67 mm
- Product Length Depth: 100 mm
- Product Weight: 238.6666667 g
- Product Width: 30 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
- Watt Losses: 60 W
Typical Applications
- Semiconductor Protection
- Motor Drive and Power Electronics Circuits
- Industrial Power Distribution Systems
- High-Speed Overcurrent Protection Panels
Why Bussmann?
The Bussmann 170M2670, part of the Eaton Bussmann series, is built to the DIN 43 620 standard and is IEC rated and CE marked for use in global power electronics applications. With its Class aR utilization category and 200 kAIC interrupt rating, this high speed square body fuse delivers coordinated, reliable protection for semiconductor devices in demanding industrial environments.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 350 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 91500 at 660 V
- Compliances:
- CE Marked
- Connection:
- Blade end x blade end
- Fuse Indicator:
- Other
- Fuse Shape:
- Square body, slotted offset bolted tags
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 200 kAIC
- Mounting Method:
- DIN 43 620
- Packaging Type:
- Standard
- Pre Arc I2t:
- 13500
- Product Height:
- 67 mm
- Product Length Depth:
- 100 mm
- Product Weight:
- 238.6666667 g
- Product Width:
- 30 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 690 V
- Voltage Type:
- AC
- Watt Losses:
- 60 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse