Bussmann 170M Series High-Speed Fuse-Link, aR, 630A-1100A

Bussmann 170M Series High-Speed Fuse-Link, aR, 630A-1100A

The Bussmann 170M Series is a high-speed fuse-link engineered for accompanied semiconductor protection (Class aR) in demanding industrial and power-electronics circuits. This family is available in amp ratings from 630A to 1100A, with the 1100A option rated AC 1100V, Size 3, 76 x 92 x 159 mm, and a 100 kAIC interrupt rating. Built to IEC and UL requirements, these fast-acting links protect semiconductor devices, drives, and converters where standard fuses cannot react quickly enough to prevent damage during overcurrent events.

Key Features

• Amp Rating Range: Available in 630A and 1100A ratings to match a range of semiconductor protection applications.
• High-Speed Operation: Fast-acting design engineered for accompanied semiconductor protection (Utilization Category aR).
• Interrupt Rating: 100 kAIC interrupt rating delivers robust short-circuit protection for high-fault-current systems.
• Voltage Rating: AC 1100V rating documented for the 1100A option within this family.
• Compact Footprint: Size 3 body measuring 76 x 92 x 159 mm for the 1100A rating, suited to standard fuse mounting hardware.
• Global Compliance: Designed and tested to IEC and UL requirements for use across multiple markets.

Certifications & Compliance

• UL Listed
• IEC Compliant
• CE Marked

Technical Specifications

• Class: Class aR
• Interrupt Rating: 100 kAIC
• Utilization Category: aR (accompanied semiconductor protection)
• Application: semiconductor protection
• Packaging Type: Standard
• Compliances: CE Marked

Typical Applications

• Semiconductor Device Protection
• Power Conversion and Drive Systems
• Industrial Motor Controllers
• High-Speed AC Circuit Protection
• Panelboard and Switchgear Protection for Power Electronics

Why Bussmann?

Bussmann builds the 170M Series to Class aR utilization standards with a 100 kAIC interrupt rating, IEC and UL compliance, and CE marking, giving electrical professionals a dependable, code-recognized option for protecting semiconductor devices and power-conversion equipment. Choosing the correct amp rating within the 630A-1100A range helps ensure fast, reliable clearing of overcurrent conditions in demanding industrial applications.