Bussmann 170M3393 Eaton Series High-Speed Square Body Fuse, Class aR, 700V/690V, 160A, 100kAIC

Bussmann 170M3393 Eaton Series High-Speed Square Body Fuse, Class aR, 700V/690V, 160A

The Bussmann 170M3393 is an Eaton Bussmann series high-speed square body fuse engineered for demanding semiconductor protection applications. Rated 700V (UL) and 690V (IEC) with a 160A amperage rating and 100 kAIC interrupting rating, this Class aR fuse features a square body with flush end contacts for compact, high-density mounting. Designed for accompanied semiconductor protection, it delivers fast, coordinated clearing to safeguard sensitive power electronics equipment.

Key Features

• Amperage Rating: 160A for high-speed protection of semiconductor circuits.
• Voltage Rating: 700V (UL), 690V (IEC), with a 1250V AC voltage rating for demanding power electronics systems.
• Interrupting Rating: 100 kAIC delivers dependable short-circuit protection in high-fault-current environments.
• Fuse Shape: Square body with flush end contacts for compact busbar and panel mounting.
• Utilization Category: Class aR (accompanied semiconductor protection) for coordinated fast-clearing performance.
• Clearing I2t: 16000 A²s at 1000V and 21000 A²s at 1250V for precise let-through energy coordination.
• Pre-Arc I2t: 2600 A²s supports accurate protection coordination with upstream and downstream devices.
• Compact Design: 170mm width x 96mm length/depth x 50mm height at 202g, with 30W typical watt losses.

Certifications & Compliance

• CE Marked
• IEC Rated

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, flush end contacts
• Insulated Metal Gripping Lugs (IMGL): No
• Packaging Type: Standard
• Pre-Arc I2t: 2600
• Product Height: 50 mm
• Product Length/Depth: 96 mm
• Product Weight: 202 g
• Product Width: 170 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 1250 V
• Voltage Type: AC
• Watt Losses: 30 W

Typical Applications

• Semiconductor Protection Circuits
• Power Electronics and Drive Systems
• Industrial Motor Control Equipment
• High-Speed Fault Current Protection
• Power Conversion and Rectifier Systems

Why Bussmann?

The Bussmann 170M3393 reflects Eaton Bussmann series engineering built for critical semiconductor protection, combining a 100 kAIC interrupting rating with Class aR high-speed clearing performance. CE marked and IEC rated, this square body fuse delivers the coordinated protection professionals need for reliable, code-compliant power electronics installations.