Bussmann 170M5011 High Speed Square Body Fuse, 550A Class aR
The Bussmann 170M5011 is an Eaton Bussmann series high speed square body fuse engineered for demanding semiconductor protection duty. Built with blade end X blade end terminations to DIN 43 620 dimensions, this fuse is rated 1250V (IEC) / 1300V (UL), 550A, with a 200 kAIC interrupt rating and Class aR utilization for accompanied semiconductor protection. A top fuse status indicator provides quick visual confirmation of fuse condition in the field.
Key Features
- Amperage Rating: 550A for high-current semiconductor circuit protection.
- Voltage Rating: 1250V (IEC) / 1300V (UL) for use across IEC and UL-rated systems.
- Interrupt Rating: 200 kAIC for reliable clearing of high fault currents.
- Fuse Shape: Square body with slotted, center bolted tags and blade end X blade end connections per DIN 43 620.
- Utilization Category: Class aR (accompanied semiconductor protection) for use alongside backup protection in power electronics.
- Fuse Status Indicator: Top-mounted indicator allows quick visual verification of fuse condition.
- Let-Through Characteristics: Pre-arc I2t of 28000 and clearing I2t of 190000 at 660V support coordinated semiconductor protection schemes.
- Compact Dimensions: 286 mm length/depth x 165 mm width x 66 mm height, 594 g weight, sized to DIN 43 620 square body fuse mounting.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Amperage Rating: 550 A
- Application: Semiconductor protection
- Certifications: IEC Rated
- Clearing I2t: 190000 at 660 V
- Clearing Loss: 80
- Compliances: CE Marked
- Fuse Shape: Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs (IMGL): No
- Packaging Type: Standard
- Pre Arc I2t: 28000
- Product Height: 66 mm
- Product Length/Depth: 286 mm
- Product Weight: 594 g
- Product Width: 165 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
Typical Applications
- Semiconductor Device Protection
- Power Electronics and Drive Systems
- Rectifier and Converter Circuits
- Industrial Motor Drive Protection
- High-Speed Circuit Protection for Solid-State Equipment
Why Bussmann?
Bussmann by Eaton engineers its high speed square body fuses to exacting DIN 43 620 dimensional standards, delivering the Class aR semiconductor protection, 200 kAIC interrupt rating, and CE-marked, IEC-rated construction that power electronics and drive applications depend on. The 170M5011's bolted blade end X blade end connections and top status indicator make it a dependable, code-compliant choice for professional electrical and industrial installations.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 550 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 190000 at 660 V
- Clearing Loss:
- 80
- 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:
- 200 kAIC
- Mounting Method:
- DIN 43 620
- Packaging Type:
- Standard
- Pre Arc I2t:
- 28000
- Product Height:
- 66 mm
- Product Length Depth:
- 286 mm
- Product Weight:
- 594 g
- Product Width:
- 165 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