Bussmann 170M-541 High-Speed Square Body Fuse, Class aR Semiconductor Protection

Bussmann 170M-541 High-Speed Square Body Fuse, Class aR Semiconductor Protection

The Bussmann 170M-541 High-Speed Square Body Fuse from Eaton's Bussmann series is engineered for accompanied semiconductor protection (Class aR) in demanding industrial power electronics. Featuring a square body design with flush end contacts, this fuse is rated 1250V under IEC standards and 1300V under UL standards, with a 200 kAIC interrupt rating for reliable high-speed circuit interruption. This family is available in Amp Ratings from 500A to 1000A, allowing engineers to match the fuse to specific semiconductor protection requirements, and includes a top-mounted fuse status indicator for quick visual verification of fuse condition.

Key Features

• Amp Rating Range: Available in 500A, 550A, 700A, 800A, 900A, and 1000A ratings to suit a wide range of semiconductor protection applications.
• Voltage Rating: Rated 1250V under IEC standards and 1300V under UL standards for cross-compliance in global electrical systems.
• Interrupt Rating: 200 kAIC interrupt capacity delivers dependable high-speed circuit protection under fault conditions.
• Utilization Category: Class aR (accompanied semiconductor protection) design purpose-built for protecting power semiconductors.
• Fuse Shape: Square body construction with flush end contacts for secure, space-efficient mounting.
• Top Fuse Status Indicator: Integrated top-mounted indicator provides fast visual confirmation of fuse condition.
• Application: Purpose-built for semiconductor protection in industrial power electronics equipment.

Certifications & Compliance

• CE Marked
• Rated to IEC Standards (1250V)
• Rated to UL Standards (1300V)

Technical Specifications

• Voltage Type: AC
• Utilization Category: aR (accompanied semiconductor protection)
• Packaging Type: Standard
• Fuse Shape: Square body, flush end contacts
• Application: semiconductor protection
• Insulated Metal Gripping Lugs (IMGL): No
• Compliances: CE Marked
• Voltage Rating: 690V

Typical Applications

• Semiconductor Protection Circuits
• Industrial Power Electronics Systems
• High-Speed Overcurrent Protection
• Commercial and Industrial Electrical Systems

Why Bussmann?

Eaton's Bussmann series brings decades of fuse engineering expertise to demanding semiconductor protection applications. With a Class aR utilization category, square body flush-contact design, 200 kAIC interrupt rating, and CE marking backed by compliance with both IEC and UL voltage standards, the 170M series delivers dependable, code-compliant performance for professional industrial electrical work across its full 500A-1000A rating range.