Bussmann 170M3112 Eaton Series High-Speed Square Body Fuse, Class aR, 100A

Bussmann 170M3112 Eaton Series High-Speed Square Body Fuse, Class aR, 100A

The Bussmann 170M3112 Eaton Series high-speed square body fuse is engineered for accompanied semiconductor protection in demanding industrial power electronics. Rated 700V (UL) / 690V (IEC) with a 100A amperage rating and a 200 kAIC interrupting capacity, this Class aR fuse features a square body with slotted, center-bolted tags and blade end X blade end connections built to DIN 43 620 dimensional standards. It is IEC rated and CE marked for coordinated semiconductor protection applications.

Key Features

• Amperage Rating: 100A for reliable overcurrent protection in semiconductor protection circuits.
• Voltage Rating: 700V (UL) / 690V (IEC), AC voltage type, suited for high-voltage industrial power systems.
• Interrupting Capacity: 200 kAIC rating for demanding high-fault-current environments.
• Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection alongside other overcurrent devices.
• Fuse Shape: Square body, slotted center-bolted tags, blade end X blade end connections per DIN 43 620.
• Let-Through Energy: Pre-Arc I2t of 360 and Clearing I2t of 2450 at 660V, with a Clearing Loss of 21.
• Dimensions: 104 mm length/depth x 145 mm width x 45 mm height.

Certifications & Compliance

• IEC Rated
• CE Marked

Technical Specifications

• Amperage Rating: 100 A
• Application: semiconductor protection
• Certifications: IEC Rated
• Clearing I2t: 2450 at 660 V
• Clearing Loss: 21
• Compliances: CE Marked
• Fuse Shape: Square body, slotted center bolted tags
• Insulated Metal Gripping Lugs (IMGL): No
• Packaging Type: Standard
• Pre Arc I2t: 360
• Product Height: 45 mm
• Product Length Depth: 104 mm
• Product Weight: .292 g
• Product Width: 145 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 690 V
• Voltage Type: AC

Typical Applications

• Semiconductor Protection in Power Electronics
• Industrial Motor Drives and Rectifier Circuits
• High-Speed Overcurrent Protection for AC Power Systems
• Coordinated Protection Alongside Semiconductor Devices
• Industrial and Commercial Electrical Panels

Why Bussmann?

Bussmann by Eaton is a recognized name in circuit protection, and the 170M3112 reflects that engineering discipline through its IEC rated, CE marked construction and precise Pre-Arc and Clearing I2t characteristics. Built to DIN 43 620 dimensional standards with a robust square body and blade end X blade end connection, this Class aR fuse delivers dependable, coordinated protection for semiconductor-based power systems.