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Bussmann 170M4714 500A Class aR High-Speed Fuse, 200 kAIC
The Bussmann 170M4714 is a 500A Class aR high-speed fuse engineered for demanding DC power protection, including DC common bus systems, DC drives, and power converters/rectifiers. Built with a blade end x blade end connection for square body, US-style mounting, this fuse delivers a 200 kAIC interrupt rating and a pre-arc I2t of 25000 for reliable current-limiting performance. RoHS compliant and CE marked, it is engineered to help keep sensitive DC power electronics protected in industrial applications.
Key Features
- Amperage Rating: 500A for high-current DC power protection.
- Current Rating: 500A RMS for consistent current-carrying capacity.
- Fuse Class: Class aR high-speed fuse construction for semiconductor and DC drive protection.
- Connection: Blade end x blade end for square body, US-style mounting without indicator.
- Interrupt Rating: 200 kAIC for high fault-current interruption capability.
- Clearing I2t: 170000 at 660V, with a pre-arc I2t of 25000, for precise current-limiting response.
- Fuse Indicator: Non Indicating design.
- Watt Losses: 72W.
Certifications & Compliance
- RoHS Compliant
- CE Marked
- UL Recognized
- IEC Rated
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: 500A RMS
- Fuse Indicator: Non Indicating
- Interrupt Rating: 200 kAIC
- Packaging Type: Standard
- Pre Arc I2t: 25000
- Watt Losses: 72W
- Product Type: Square body, US style -FU/115 without indicator
- Product Length: 5.433 IN
- Product Details: Square body, US style -FU/115 without indicator
- 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
- Industrial DC Power Distribution
Why Bussmann?
Bussmann high-speed fuses like the 170M4714 are built for critical DC power protection, combining a 200 kAIC interrupt rating with Class aR current-limiting performance for demanding drive and converter applications. RoHS compliance, CE marking, UL Recognition, and IEC rating reflect a design built for code-compliant, reliable performance in professional electrical and industrial power systems.
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:
- 500A 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/115 without indicator
- Product Height:
- 2.087 IN
- Product Weight:
- 1.6456 LB
- Product Width:
- .315 IN