Bussmann 170M-612 High-Speed Square Body Fuse, Class aR

Bussmann 170M-612 High-Speed Square Body Fuse, Class aR

The Bussmann 170M-612 High-Speed Square Body Fuse, part of the Eaton Bussmann series, is engineered for accompanied semiconductor protection in demanding AC power circuits. Rated 700V (UL) and 690V (IEC), this Class aR fuse is available in amperage ratings from 800A to 900A, giving you flexibility to match the exact semiconductor protection duty your equipment requires. A top-mounted fuse status indicator provides an at-a-glance visual check of fuse condition, simplifying inspection and maintenance on high-speed square body fuse installations.

Key Features

• Amperage Rating: Offered from 800A to 900A to cover a range of semiconductor protection loads.
• Voltage Rating: 700V (UL) and 690V (IEC) for AC voltage type power systems.
• Utilization Category: Class aR, rated for accompanied semiconductor protection applications.
• Fuse Status Indicator: Top-mounted indicator shows fuse condition for fast visual verification.
• Application: Purpose-built for semiconductor protection duty in industrial power circuits.
• Packaging Type: Standard packaging for straightforward stocking and handling.
• Gripping Lugs: Supplied without insulated metal gripping lugs (IMGL: No).

Certifications & Compliance

• Rated 700V per UL voltage standards
• Rated 690V per IEC voltage standards
• Compliance documentation available upon request from the factory

Technical Specifications

• Voltage Type: AC
• Utilization Category: aR (accompanied semiconductor protection)
• Packaging Type: Standard
• Application: semiconductor protection
• Insulated Metal Gripping Lugs Imgl: No
• Compliances: Contact factory

Typical Applications

• Semiconductor Protection Circuits
• High-Speed AC Power Distribution
• Industrial Motor Drives and Power Electronics
• Commercial and Industrial Electrical Installations

Why Bussmann?

Bussmann by Eaton engineers its high-speed square body fuses to deliver dependable, code-compliant semiconductor protection for demanding AC power circuits. With a Class aR utilization rating, dual UL and IEC voltage ratings of 700V and 690V, and a top-mounted status indicator for quick condition checks, this fuse series is built for consistent performance across its 800A to 900A range. Choose Bussmann for reliable electrical protection engineered for critical industrial installations.