Bussmann 170M-566 Eaton High-Speed Square Body Fuse, Class aR, 200 kAIC

Bussmann 170M-566 Eaton High-Speed Square Body Fuse, Class aR, 200 kAIC

The Bussmann 170M-566 Eaton series high-speed square body fuse is engineered for demanding semiconductor protection applications, delivering fast-acting, current-limiting performance in a compact square body design. Built with blade end (X blade end) connections and center-bolted tags, this Class aR fuse carries a 200 kAIC interrupt rating and is offered across the family in amperage ratings from 900A to 1250A to match your circuit protection needs. As an accompanied semiconductor protection (aR) utilization category fuse, it is designed to safeguard power semiconductors such as SCRs and diodes from short-circuit and overcurrent damage in industrial and power conversion equipment.

Key Features

• Amp Rating Range: Offered in 900A to 1250A ratings across the series to match a range of semiconductor protection circuits.
• High Interrupt Rating: 200 kAIC interrupt rating provides reliable protection against high fault currents.
• Class aR Utilization: Accompanied semiconductor protection (aR) category safeguards SCRs, diodes, and other power semiconductors.
• Blade End Connections: Blade end (X blade end) terminals with center-bolted tags for secure, low-resistance high-current connections.
• Square Body Construction: Square body, center-bolted tag design for compact, space-saving mounting.
• AC Voltage Type: Rated for AC voltage applications.
• Compact Footprint: Measures 165 mm wide x 66 mm high x 286 mm long/deep at 318 g, fitting tight enclosure spaces.

Certifications & Compliance

• CE Marked
• IEC Rated

Technical Specifications

• Voltage Type: AC
• Product Width: 165 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Packaging Type: Standard
• Fuse Shape: Square body, center bolted tags
• Product Height: 66 mm
• Application: semiconductor protection
• Insulated Metal Gripping Lugs Imgl: No
• Product Weight: 318 g
• Compliances: CE Marked
• Product Length Depth: 286 mm
• Certifications: IEC Rated

Typical Applications

• Semiconductor Protection for SCRs and Diodes
• Power Conversion and Rectifier Equipment
• Industrial Drives and Motor Control Systems
• High-Speed Circuit Protection in AC Power Systems

Why Bussmann?

Bussmann by Eaton is a trusted name in circuit protection, and the 170M-566 series high-speed square body fuse reflects that reputation with its CE marked, IEC rated construction and 200 kAIC interrupt rating. Engineered for Class aR semiconductor protection duty, it delivers the fast-acting, high-fault-current performance professionals rely on for demanding power electronics applications. Choose Bussmann for code-compliant, dependable circuit protection across your 900A to 1250A amperage requirements.