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Bussmann 170M4064 High Speed Square Body Fuse, Class aR, 500A
Model: BUSS-170M4064
Bussmann
Bussmann 170M4614 High-Speed Class aR Fuse, 500A Rating
The Bussmann 170M4614 is a High-Speed Class aR fuse engineered for demanding DC power circuits, carrying a 500A amperage rating and a 450A RMS current rating for reliable overcurrent protection. Built with blade end x blade end connections for straightforward busbar mounting, this fuse delivers a 200 kAIC interrupt rating to withstand high fault currents in DC common bus, DC drives, and power converter/rectifier applications. Bussmann backs this fuse with UL Recognized and IEC Rated compliance, giving electrical professionals a trusted component for precise circuit coordination.
Key Features
- Amperage Rating: 500A for high-capacity DC power circuit protection.
- Current Rating: 450A RMS continuous current handling for demanding industrial loads.
- Class aR Construction: High-speed fuse design suited to semiconductor and power converter protection.
- Interrupt Rating: 200 kAIC for dependable performance under high fault-current conditions.
- Connection Type: Blade end x blade end terminals for direct busbar mounting.
- Fuse Indicator: Non-indicating design.
- Coordination Data: Clearing I2t of 170000 at 660V and Pre-Arc I2t of 25000 for precise system coordination.
- Watt Losses: 72W.
Certifications & Compliance
- UL Recognized
- IEC Rated
- RoHS Compliant
- CE Marked
Technical Specifications
- Amperage Rating: 500A
- Application: DC common bus, DC drives, power converters/rectifiers
- Class: Class aR
- Clearing I2t: Clearing at 660V: 170000
- Connection: Blade end X blade end
- Current Rating: 450A RMS
- Fuse Indicator: Non Indicating
- Interrupt Rating: 200 kAIC
- Packaging Type: Standard
- Pre Arc I2t: 25000
- Watt Losses: 72W
- Product Details: Square body, US style -FU/- Without indicator
- Product Length: 5.433 IN
- Product Height: 2.087 IN
- Product Weight: 1.6456 LB
- Product Width: .315 IN
Typical Applications
- DC Common Bus Protection
- DC Drive Systems
- Power Converters and Rectifiers
- Semiconductor Circuit Protection
- Industrial DC Power Distribution
Why Bussmann?
Bussmann engineers the 170M4614 for the coordination precision that semiconductor and DC drive protection demands, backing it with a 200 kAIC interrupt rating, UL Recognized status, and IEC Rated performance. For electrical professionals specifying protection for DC common bus, drive, and converter systems, this Class aR fuse delivers the reliable, code-compliant performance Bussmann is known for.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 500A
- Application:
- DC common bus, DC drives, power converters/rectifiers
- Class:
- Class aR
- Clearing I2t:
- Clearing at 660V: 170000
- Connection:
- Blade end X blade end
- Current Rating:
- 450A RMS
- Fuse Indicator:
- Non Indicating
- Interrupt Rating:
- 200 kAIC
- Packaging Type:
- Standard
- Pre Arc I2t:
- 25000
- Watt Losses:
- 72W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Length:
- 5.433 IN
- Product Details:
- Square body, US style -FU/- Without indicator
- Product Height:
- 2.087 IN
- Product Weight:
- 1.6456 LB
- Product Width:
- .315 IN