Bussmann 170M4193 Eaton Series High Speed Square Body Fuse, Class aR, 400A
The Bussmann 170M4193 Eaton series high speed square body fuse delivers reliable overcurrent protection for semiconductor devices, rated 1250V (IEC) / 1300V (UL) with a 400A rating and 100 kAIC interrupt capacity. Built with a square body and blade end X blade end connections per DIN 43 620, this Class aR fuse is engineered for accompanied semiconductor protection applications. A top fuse status indicator provides quick visual confirmation of fuse condition, supporting fast troubleshooting in industrial power systems.
Key Features
- Amperage Rating: 400A high-speed rating for demanding semiconductor protection circuits.
- Voltage Rating: 1250V (IEC) / 1300V (UL) rating suited for high-voltage industrial power systems.
- Interrupt Rating: 100 kAIC interrupting capacity for high fault-current environments.
- Connection Type: Blade end X blade end terminations per DIN 43 620 for standardized mounting.
- Fuse Shape: Square body with slotted center bolted tags for secure, low-resistance connections.
- Status Indicator: Top fuse status indicator allows quick visual verification of fuse condition.
- Classification: Class aR utilization category for accompanied semiconductor protection.
- Clearing Characteristics: Pre-arc I2t of 29500 and clearing I2t of 175000 at 1000V / 235000 at 1250V for precise fuse coordination.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Amperage Rating: 400 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Clearing I2t: 175000 at 1000 V, 235000 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: 29500
- Product Height: 62 mm
- Product Length Depth: 245 mm
- Product Weight: 297.3333333 g
- Product Width: 142 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 1250 V
- Voltage Type: AC
- Watt Losses: 75 W
Typical Applications
- Semiconductor Protection Circuits
- Industrial Power Conversion Equipment
- Variable Frequency Drives and Motor Controllers
- High-Speed Overcurrent Protection Panels
- Power Electronics and Rectifier Systems
Why Bussmann?
Bussmann by Eaton engineers this high speed fuse for demanding semiconductor protection applications, combining a rugged square body construction and blade end X blade end connections with a top fuse status indicator for easy field verification. With a 100 kAIC interrupt rating, Class aR utilization category, and CE marked, IEC rated compliance, this fuse delivers dependable, code-compliant protection for industrial power systems.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 400 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 175000 at 1000 V, 235000 at 1250 V
- Compliances:
- CE Marked
- Connection:
- Blade end x blade end
- Fuse Indicator:
- Top fuse status indicator
- 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:
- 29500
- Product Height:
- 62 mm
- Product Length Depth:
- 245 mm
- Product Weight:
- 297.3333333 g
- Product Width:
- 142 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 1250 V
- Voltage Type:
- AC
- Watt Losses:
- 75 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse