Bussmann 170M3662 Eaton Series High Speed Square Body Fuse, Class aR, 700V/100A

Bussmann 170M3662 Eaton Series High Speed Square Body Fuse, Class aR, 700V/100A

The Bussmann 170M3662 Eaton series high speed square body fuse delivers precise semiconductor protection for demanding industrial power circuits. Rated 700V (UL) and 690V (IEC) at 100A with a 200 kAIC interrupting rating, this Class aR fuse is engineered to protect semiconductor devices against damaging fault currents. Its square body design with center bolted tags and blade end x blade end connection allows straightforward integration into power electronics and drive assemblies where fast, coordinated clearing is critical.

Key Features

• Voltage Rating: Rated 700V (UL) and 690V (IEC) for high-voltage industrial power circuits.
• Amperage Rating: 100A continuous current rating for reliable overcurrent protection.
• Interrupting Rating: 200 kAIC interrupting capacity for high fault-current applications.
• Utilization Category: Class aR (accompanied semiconductor protection) designed specifically to safeguard semiconductor devices.
• Square Body Design: Square body construction with center bolted tags and blade end x blade end termination for secure, compact mounting.
• Precise Current-Limiting: Clearing I2t of 2450 at 660V and Pre-Arc I2t of 360 for accurate coordination with protected semiconductor components.
• Low Watt Losses: 21W watt loss rating supports efficient thermal performance in continuous duty.
• Compact Footprint: Measures 59 mm (height) x 110 mm (width) x 45 mm (depth) and weighs 319 g.

Certifications & Compliance

• IEC Rated
• CE Marked

Technical Specifications

• Amperage Rating: 100 A
• Application: semiconductor protection
• Certifications: IEC Rated
• Clearing I2t: 2450 at 660 V
• Compliances: CE Marked
• Fuse Shape: Square body, center bolted tags
• Insulated Metal Gripping Lugs (IMGL): No
• Packaging Type: Standard
• Pre Arc I2t: 360
• Product Height: 59 mm
• Product Length Depth: 45 mm
• Product Weight: 319 g
• Product Width: 110 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 690 V
• Voltage Type: AC
• Watt Losses: 21 W

Typical Applications

• Semiconductor Protection Circuits
• Power Electronics and Drive Systems
• High-Speed Industrial Switching Equipment
• Rectifier and Converter Protection
• High-Voltage Industrial Power Installations

Why Bussmann?

Bussmann is a trusted Eaton brand for high speed, current-limiting fuses used in mission-critical semiconductor protection. The 170M3662's CE marked, IEC rated construction and precisely specified pre-arc and clearing I2t values give engineers the coordination data needed for reliable protection of power semiconductor devices in industrial power electronics applications.