Bussmann 170M3193 Eaton Series Class aR Square Body Fuse, 160A

Bussmann 170M3193 Eaton Series Class aR Square Body Fuse, 160A

The Bussmann 170M3193 is an Eaton Bussmann series high-speed square body fuse engineered for semiconductor protection in demanding industrial power systems. Rated 700V (UL) / 690V (IEC) and 160A with a 100 kAIC interrupt rating, this Class aR fuse meets DIN 43 620 dimensional standards for reliable coordination with semiconductor devices such as rectifiers and power converters. Its square body design with slotted center bolted tags delivers secure, low-resistance connections for high-speed protection applications.

Key Features

• Fuse Shape: Square body construction with slotted center bolted tags for secure, high-current terminal connections.
• Dimensions: 305 mm length/depth x 145 mm width x 65 mm height, sized to DIN 43 620 standards.
• Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection of power semiconductor devices.
• Voltage Rating: 700V (UL) / 690V (IEC), with a 1250V AC voltage rating for demanding industrial power circuits.
• Amperage Rating: 160A with a 100 kAIC interrupt rating for high fault-current environments.
• I2t Characteristics: Pre-arc I2t of 2600 and clearing I2t of 16000 at 1000V / 21000 at 1250V for precise semiconductor coordination.
• Watt Losses: 40W rated power dissipation.
• Gripping Lugs: No insulated metal gripping lugs (IMGL).

Certifications & Compliance

• IEC Rated
• CE Marked
• UL Voltage Rated (700V)
• DIN 43 620 Dimensional Standard

Technical Specifications

• Amperage Rating: 160 A
• Application: semiconductor protection
• Certifications: IEC Rated
• Clearing I2t: 16000 at 1000 V, 21000 at 1250 V
• Compliances: CE Marked
• Fuse Shape: Square body, slotted center bolted tags
• Insulated Metal Gripping Lugs (IMGL): No
• Packaging Type: Standard
• Pre Arc I2t: 2600
• Product Height: 65 mm
• Product Length Depth: 305 mm
• Product Weight: 416.6666667 g
• Product Width: 145 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 1250 V
• Voltage Type: AC
• Watt Losses: 40 W

Typical Applications

• Semiconductor Device Protection
• High-Speed Industrial Fuse Systems
• DIN 43 620 Fuse Holders and Distribution Blocks
• Power Electronics and Rectifier Circuits
• Industrial and Commercial Electrical Systems

Why Bussmann?

Bussmann by Eaton engineers this 170M3193 fuse with IEC rated and CE marked construction, meeting DIN 43 620 dimensional standards for dependable integration into industrial fuse holders and distribution systems. With a 100 kAIC interrupt rating and Class aR semiconductor protection performance, it delivers the coordinated, code-compliant protection professionals require for demanding power electronics applications.