Bussmann 170M-540 Series High Speed Square Body Fuse, Class aR, 200kAIC

Bussmann 170M-540 Series High Speed Square Body Fuse, Class aR, 200kAIC

The Bussmann 170M-540 series high speed square body fuse (Eaton Bussmann) delivers reliable overcurrent protection for demanding semiconductor applications, with a voltage rating of 700V (UL) / 690V (IEC) and a 200 kAIC interrupting rating. Built in a square body, flush end-contact design with a top-mounted fuse status indicator, this Class aR accompanied semiconductor protection fuse is available across the family in amp ratings from 400A to 1100A, letting you match protection to the circuit. Designed for AC voltage systems, it is engineered for high-speed clearing in power electronics and industrial drive protection.

Key Features

• Amp Rating Range: Available from 400A to 1100A across the 170M-540 family, allowing selection to match specific circuit load requirements.
• Voltage Rating: 700V (UL) / 690V (IEC) for use in high-voltage semiconductor protection circuits.
• Interrupting Rating: 200 kAIC provides high short-circuit interrupting capacity for demanding industrial power systems.
• Utilization Category: Class aR, an accompanied semiconductor protection fuse designed to work alongside other overcurrent devices.
• Fuse Shape: Square body construction with flush end contacts for a secure, low-resistance connection.
• Status Indicator: Top-mounted fuse status indicator allows quick visual verification of fuse condition without disassembly.
• Body Dimensions: 124 mm width x 80 mm height x 168 mm length/depth.
• Voltage Type: AC.

Certifications & Compliance

• 700V UL Voltage Rating
• 690V IEC Voltage Rating
• CE Marked

Technical Specifications

• Voltage Type: AC
• Product Width: 124 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Packaging Type: Standard
• Fuse Shape: Square body, flush end contacts
• Product Height: 80 mm
• Application: semiconductor protection
• Insulated Metal Gripping Lugs Imgl: No
• Compliances: CE Marked
• Product Length Depth: 168 mm

Typical Applications

• Semiconductor Protection Circuits
• High Speed Circuit Protection for Power Electronics
• Industrial Motor Drives and Rectifier Systems
• Class aR Accompanied Fuse Configurations
• Commercial and Industrial Electrical Systems Requiring High Interrupting Capacity

Why Bussmann?

Bussmann, an Eaton brand, engineers the 170M-540 series high speed fuse for the demanding short-circuit conditions found in semiconductor and power electronics protection. With a 200 kAIC interrupting rating, CE marking, and a square body flush-contact design built for consistent performance, this Class aR fuse is suited to professional, code-compliant electrical installations across the 400A to 1100A range.