Bussmann 170M3462 Eaton Series High-Speed Square Body Fuse, Class aR, 100A

Bussmann 170M3462 Eaton Series High-Speed Square Body Fuse, Class aR, 100A

The Bussmann 170M3462 is an Eaton Bussmann series high-speed square body fuse engineered for demanding semiconductor protection duty. Rated 700V (UL) / 690V (IEC) and 100A with a 200 kAIC interrupting rating, this Class aR fuse features a square body design with flush end contacts for compact, high-density panel layouts. Its accompanied (aR) utilization category makes it suitable for coordinated protection of power semiconductor devices in high-speed switching applications.

Key Features

• Fuse Configuration: Square body design with flush end contacts for space-saving, high-density mounting.
• Voltage Rating: 700V (UL) / 690V (IEC) AC for use in demanding industrial power circuits.
• Amperage Rating: 100A continuous current rating suited to semiconductor protection duty.
• Interrupting Rating: 200 kAIC for reliable high fault-current interruption.
• Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection schemes.
• Precise Let-Through: Pre-arc I²t of 360 A²s and clearing I²t of 2450 A²s at 660V for accurate coordination with protected semiconductor devices.
• Watt Loss: 24W power dissipation for efficient high-speed circuit operation.

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, flush end contacts
• Insulated Metal Gripping Lugs (IMGL): No
• Packaging Type: Standard
• Pre Arc I2t: 360
• Product Height: 47 mm
• Product Length Depth: 193 mm
• Product Weight: 265.1666667 g
• Product Width: 106 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 690 V
• Voltage Type: AC
• Watt Losses: 24 W

Typical Applications

• Semiconductor Protection for Power Electronics
• Converter and Inverter Circuit Protection
• High-Speed Fault Current Interruption
• Industrial Power Distribution Systems
• Coordinated Protection Schemes with Power Semiconductor Devices

Why Bussmann?

The Bussmann 170M3462 is built as part of the Eaton Bussmann series, delivering a Class aR high-speed square body fuse engineered for the precise, coordinated protection that power semiconductor devices demand. With a 200 kAIC interrupting rating, defined pre-arc and clearing I²t characteristics, and IEC-rated, CE-marked construction, this fuse supports code-compliant, dependable performance in professional industrial and power electronics installations.