Bussmann 170M-670 High-Speed Square Body Fuse, Class aR, 1000V IEC

Bussmann 170M-670 High-Speed Square Body Fuse, Class aR, 1000V IEC

The Bussmann 170M-670 High-Speed Square Body Fuse, part of the Eaton Bussmann series, is engineered for fast-acting protection of semiconductor devices in demanding power electronics applications. Rated 1000V (IEC) with a 200 kAIC interrupt rating, this Class aR fuse is available in ratings from 500A to 630A to match a range of circuit protection needs. The square body design features blade end-to-blade end terminals (M6) for straightforward installation in compatible fuse holders and disconnects, and the fuse carries CE marking and IEC compliance for use in IEC-rated electrical systems.

Key Features

• Compact Footprint: Measures 95 mm wide x 76 mm high x 168 mm deep for compatibility with square-body fuse mounting configurations.
• Blade End Connections: Blade end-to-blade end terminal configuration (M6) for secure fit in compatible fuse blocks and disconnect switches.
• High Interrupting Capacity: 200 kAIC rating at 1000V (IEC) delivers reliable fault current interruption in high-voltage IEC systems.
• Multiple Amp Ratings: Available in 500A, 550A, and 630A versions to match a range of circuit load requirements.
• Class aR Protection: Utilization Category aR (accompanied semiconductor protection) suited for protecting semiconductor devices such as SCRs and diodes.
• Square Body Construction: Center-bolted tag design for secure, stable blade-end connections.

Certifications & Compliance

• CE Marked
• IEC Rated

Technical Specifications

• Voltage Type: AC
• Product Width: 95 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Packaging Type: Standard
• Fuse Shape: Square body, center bolted tags
• Product Height: 76 mm
• Application: semiconductor protection
• Insulated Metal Gripping Lugs Imgl: No
• Compliances: CE Marked
• Product Length Depth: 168 mm
• Certifications: IEC Rated
• Voltage Rating: 690V

Typical Applications

• Power Electronics and Semiconductor Protection
• Motor Drives and Rectifier Circuits
• Industrial IEC-Rated Electrical Systems
• High-Speed Fault Current Interruption
• Commercial and Industrial Power Distribution

Why Bussmann?

Backed by Eaton's Bussmann series engineering, this high-speed square body fuse combines a 200 kAIC interrupt rating with Class aR semiconductor protection for dependable performance in demanding IEC-rated power electronics applications. CE marking and IEC compliance provide assurance for global installations, while the blade end terminal design and amp ratings from 500A to 630A make it a versatile choice for professional electrical and industrial engineers who need proven, code-compliant circuit protection.