Bussmann 170M4496 Eaton Series High-Speed Square Body Fuse, Class aR

Bussmann 170M4496 Eaton Series High-Speed Square Body Fuse, Class aR

The Bussmann 170M4496 is an Eaton series high-speed square body fuse engineered for demanding power electronics protection, rated 700V (UL) / 690V (IEC), 550A, with a 100 kAIC interrupting rating. Built to Class aR utilization for accompanied semiconductor protection, this fuse features a square body with flush end contacts and a top fuse status indicator for at-a-glance condition checks. Rated for AC/DC voltage type, it is designed for high-power industrial circuits including DC common bus systems, DC drives, power converters/rectifiers, and reduced voltage starters.

Key Features

• Voltage & Current Rating: 700V (UL), 690V (IEC), 550A for high-power circuit protection.
• High Interrupting Capacity: 100 kAIC rating supports demanding fault-current environments.
• Class aR Utilization: Accompanied semiconductor protection suited to DC drives and power converters/rectifiers.
• Square Body, Flush End Contacts: Compact square body fuse shape with flush end contacts for space-saving panel mounting.
• Top Fuse Status Indicator: Built-in visual indicator flags fuse condition for faster diagnostics and maintenance.
• AC/DC Voltage Type: Rated for both AC and DC applications, including DC common bus systems.
• Compact Dimensions: 160 mm length/depth x 70 mm width x 51 mm height, 598 g weight.

Certifications & Compliance

• IEC Rated
• CE Marked

Technical Specifications

• Amperage Rating: 550 A
• Application: DC common bus, DC drives, power converters/rectifiers, reduced voltage starters
• Certifications: IEC Rated
• Clearing I2t: 465000 at 1000 V, 590000 at 1250 V
• Compliances: CE Marked
• Fuse Shape: Square body, flush end contacts
• Insulated Metal Gripping Lugs (IMGL): No
• Packaging Type: Standard
• Pre Arc I2t: 95000
• Product Height: 51 mm
• Product Length/Depth: 160 mm
• Product Weight: 598 g
• Product Width: 70 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 1000 V
• Voltage Type: AC/DC
• Watt Losses: 95 W

Typical Applications

• DC Common Bus Systems
• DC Drives
• Power Converters and Rectifiers
• Reduced Voltage Starters
• Semiconductor Protection Circuits

Why Bussmann?

Bussmann by Eaton engineers this high-speed square body fuse to Class aR utilization for accompanied semiconductor protection, backing it with a 100 kAIC interrupting rating, IEC rated performance, and CE marked compliance. The top fuse status indicator and flush-end square body construction help electrical professionals verify fuse condition quickly and maintain reliable, code-compliant protection in DC common bus, drive, and converter/rectifier applications.