Bussmann 170M3567 Eaton Series High-Speed Square Body Fuse, Class aR, 315A

Bussmann 170M3567 Eaton Series High-Speed Square Body Fuse, Class aR, 315A

The Bussmann 170M3567 is an Eaton series high-speed square body fuse engineered for semiconductor protection in demanding power circuits. Rated 315A with a voltage rating of 700V (UL) and 690V (IEC), this Class aR (accompanied semiconductor protection) fuse delivers a 200 kAIC interrupt rating for high fault-current environments. Its square body design with flush end contacts allows compact, busbar-style mounting in panels and power electronic assemblies where reliable, code-compliant overcurrent protection is essential.

Key Features

• Amperage Rating: 315A high-speed rating suited for semiconductor protection applications.
• Voltage Rating: Rated 700V (UL) and 690V (IEC) AC for use in demanding industrial power circuits.
• Interrupt Rating: 200 kAIC interrupting capacity for high fault-current electrical systems.
• Utilization Category: Class aR (accompanied semiconductor protection) high-speed fuse design.
• Fuse Shape: Square body with flush end contacts for compact, busbar-style mounting.
• Clearing I2t: 46500 A²s at 660V for coordinated semiconductor circuit protection.
• Pre-Arc I2t: 7000 A²s let-through characteristic for precise coordination with protected devices.
• Watt Losses: 60W power dissipation rating.

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: 47 mm
• Product Length Depth: 193 mm
• Product Weight: 266.6666667 g
• Product Width: 106 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 690 V
• Voltage Type: AC
• Watt Losses: 60 W

Typical Applications

• Semiconductor Protection Circuits
• Power Electronics and Variable Frequency Drives
• Industrial Motor Control Systems
• High Fault-Current Industrial Power Systems
• Panelboard and Busbar-Style Fuse Mounting

Why Bussmann?

Bussmann by Eaton builds this high-speed square body fuse to deliver dependable semiconductor protection where standard fuses fall short, backed by a 200 kAIC interrupt rating, UL Recognized status, and CE Marked compliance. The Class aR utilization category and precisely characterized Pre-Arc and Clearing I2t values give engineers the coordination data needed for reliable, code-compliant protection of power electronic and drive systems in professional electrical installations.