Bussmann 170M3467 Eaton Series High-Speed Square Body Fuse, Class aR, 315A

Bussmann 170M3467 Eaton Series High-Speed Square Body Fuse, Class aR, 315A

The Bussmann 170M3467 is an Eaton series high-speed square body fuse engineered for demanding semiconductor protection applications. Rated 700V (UL) / 690V (IEC) and 315A with a 200 kAIC interrupt rating, this Class aR fuse features a square body design with flush end contacts for reliable, high-density panel mounting. Built to the aR utilization category for accompanied semiconductor protection, it delivers the fast-clearing performance power electronics and drive systems require.

Key Features

• Electrical Rating: 700V (UL) / 690V (IEC), 315A with a 200 kAIC interrupt rating for high fault-current environments.
• Fuse Class: Class aR, Utilization Category aR (accompanied semiconductor protection), designed to work alongside upstream overcurrent protection.
• Construction: Square body fuse shape with flush end contacts for compact, space-efficient installation.
• Clearing I2t: 46500 at 660V for predictable let-through performance during fault conditions.
• Pre-Arc I2t: 7000, supporting coordinated protection design for semiconductor circuits.
• Watt Losses: 60W rated power dissipation.
• Compact Dimensions: 50 mm height x 60 mm length/depth x 43 mm width, weighing 264 g.

Certifications & Compliance

• UL Recognized
• CE Marked

Technical Specifications

• Amperage Rating: 315 A
• Application: semiconductor protection
• Certifications: UL Recognized
• Clearing I2t: 46500 at 660 V
• Compliances: CE Marked
• Fuse Shape: Square body, flush end contacts
• Insulated Metal Gripping Lugs (IMGL): No
• Packaging Type: Standard
• Pre Arc I2t: 7000
• Product Height: 50 mm
• Product Length/Depth: 60 mm
• Product Weight: 264 g
• Product Width: 43 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 690 V
• Voltage Type: AC
• Watt Losses: 60 W

Typical Applications

• Semiconductor Device Protection
• Power Electronics and Variable Frequency Drives
• Industrial Motor Control Circuits
• AC Power Distribution up to 690V
• OEM Panel and Switchgear Protection

Why Bussmann?

Bussmann by Eaton is a trusted name in circuit protection, and the 170M3467 reflects that engineering standard with UL Recognized and CE Marked compliance, a 200 kAIC interrupt rating, and Class aR performance built specifically for semiconductor protection. For panel builders and OEMs specifying high-speed fuses in demanding power electronics applications, this square body design delivers dependable, code-compliant protection.