Bussmann 170M7532 Class aR Square Body High-Speed Fuse, 1800A
The Bussmann 170M7532 Class aR High-Speed Fuse delivers reliable overcurrent protection for demanding DC power applications, including DC common bus systems, DC drives, power converters/rectifiers, and reduced voltage starters. Rated 1800A RMS at 1000 Vac with a 125 kAIC interrupt rating, this square body fuse features a flush end contact design with a -BKN/105 type K indicator for straightforward status monitoring. Engineered to Class aR specifications, it clears fast fault currents while minimizing let-through energy in demanding industrial DC power systems.
Key Features
- Current Rating: 1800A RMS for high-capacity DC power distribution.
- Voltage Rating: 1000 Vac for use in demanding industrial power systems.
- Interrupt Rating: 125 kAIC to safely clear high fault currents.
- Class aR Design: Engineered for DC drive and power converter protection with fast clearing characteristics.
- Square Body, Flush End Contact: -BKN/105 type K indicator construction for reliable mounting and status visibility.
- Fuse Indicator: Non Indicating configuration.
- Watt Losses: 225W rated power dissipation.
Certifications & Compliance
- CE Marked
- RoHS Compliant
- UL Recognized
- IEC Rated
Technical Specifications
- Amperage Rating: 1800A
- Application: DC common bus, DC drives, power converters/rectifiers, reduced voltage starters
- Class: Class aR
- Clearing I2t: Clearing at 1250V: 11000000
- Current Rating: 1800A RMS
- Fuse Indicator: Non Indicating
- Interrupt Rating: 125 kAIC
- Packaging Type: Standard
- Pre Arc I2t: 1700000
- Voltage Rating: 1000 Vac
- Watt Losses: 225W
- Product Type: Square Body flush end contact, -BKN/105 type K indicator
- Product Details: Square Body flush end contact, -BKN/105 type K indicator
- Mounting Method: Flush
- Product Length: 5.433 IN
- Product Height: 2.087 IN
- Product Weight: 1.6456 LB
- Product Width: .315 IN
Typical Applications
- DC Common Bus Systems
- DC Drives
- Power Converters and Rectifiers
- Reduced Voltage Starters
- Industrial DC Power Protection
Why Bussmann?
Bussmann fuses are built for dependable overcurrent protection in demanding industrial power systems. This Class aR high-speed fuse combines a 125 kAIC interrupt rating with UL Recognized and CE Marked compliance, delivering the fast-clearing performance electrical professionals need for DC common bus, DC drive, converter, and rectifier protection.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 1800A
- Class:
- Class aR
- Clearing I2t:
- Clearing at 1250V: 11000000
- Current Rating:
- 1800A RMS
- Fuse Indicator:
- Non Indicating
- Interrupt Rating:
- 125 kAIC
- Packaging Type:
- Standard
- Pre Arc I2t:
- 1700000
- Voltage Rating:
- 1000 Vac
- Watt Losses:
- 225W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Square Body Fuses
- Product Length:
- 5.433 IN
- Mounting Method:
- Flush
- Product Height:
- 2.087 IN
- Product Weight:
- 1.6456 LB
- Product Width:
- .315 IN
- Product Type:
- Fuse