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

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

The Bussmann 170M Series is an Eaton Bussmann high-speed square body fuse line engineered for demanding power electronic and semiconductor protection duty, available in 10A and 315A amp ratings to match a wide range of branch circuit protection needs. Rated 700V (UL) and 690V (IEC), with an additional 1000V AC voltage rating and an exceptional 125 kAIC interrupt rating, this Class aR fuse series is built to protect semiconductor devices in accompanied applications where fast, reliable clearing is critical. The square body design with knife blade contacts delivers secure, low-resistance connections in high-speed fuse holders across the series.

Key Features

• Amp Rating Options: Offered in 10A and 315A ratings, sized to fit precise semiconductor branch circuit protection needs across a wide range of applications.
• High Interrupt Rating: 125 kAIC interrupt rating delivers dependable short-circuit protection in demanding power electronic circuits.
• Dual Voltage Rating: Rated 700V (UL) and 690V (IEC), plus an additional 1000V AC voltage rating for broad system compatibility.
• Class aR Utilization: Class aR (accompanied semiconductor protection) utilization category designed specifically to protect semiconductor devices against overcurrent conditions.
• Compact Square Body Design: Square body fuse shape with knife blade contacts for precise fit in high-speed fuse mounts.
• Standard Packaging: Packaged in a standard configuration for straightforward stocking and distribution.

Certifications & Compliance

• UL Rated Voltage: 700V (UL)
• IEC Rated Voltage: 690V (IEC)
• Additional Compliances: Contact Factory

Technical Specifications

• Amp Rating Options: 10A, 315A
• Application: Semiconductor protection
• Compliances: Contact factory
• Fuse Shape: Square body, knife blade contacts
• Insulated Metal Gripping Lugs (IMGL): No
• Packaging Type: Standard
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 1000 V
• Voltage Type: AC

Typical Applications

• Semiconductor Device Protection
• Power Electronic and Solid-State Circuit Protection
• Industrial and Commercial Electrical Systems
• High-Speed Interrupting Applications Requiring Class aR Fuses

Why Bussmann?

Bussmann by Eaton is a recognized name in circuit protection, and the 170M Series reflects that expertise with Class aR high-speed square body fuses rated 700V (UL), 690V (IEC), and backed by a 125 kAIC interrupt rating across the 10A and 315A options. Electricians and engineers specify Bussmann fuses for consistent, code-compliant performance in semiconductor protection and other demanding power electronic applications.