Bussmann 170M6253 High-Speed Square Body Fuse, Class aR, 1000A, 700V

Bussmann 170M6253 High-Speed Square Body Fuse, Class aR, 1000A, 700V

The Bussmann 170M6253 is an Eaton Bussmann series high-speed square body fuse engineered for demanding semiconductor protection applications. Rated 700V (UL) / 690V (IEC) with a 1000A ampere rating and a 100 kAIC interrupt rating, this Class aR fuse is built for accompanied semiconductor protection where fast-acting, current-limiting performance is critical. Its square body design with slotted center bolted tags simplifies installation in high-current power electronic assemblies.

Key Features

• Amperage Rating: 1000A rating suited for high-current semiconductor circuits.
• Voltage Rating: 700V (UL) / 690V (IEC), with a 1250 V voltage rating for AC applications.
• Interrupt Rating: 100 kAIC for reliable short-circuit current limiting.
• Utilization Category: Class aR (accompanied semiconductor protection) high-speed fuse type.
• Fuse Shape: Square body with slotted center bolted tags for secure, low-resistance connections.
• Compact Dimensions: 168 mm length/depth x 95 mm width x 76 mm height, weighing 922 g.
• Gripping Lugs: Does not include insulated metal gripping lugs.

Certifications & Compliance

• Rated to UL standard at 700V
• Rated to IEC standard at 690V
• Contact factory for complete compliance documentation

Technical Specifications

• Amperage Rating: 1000 A
• Application: semiconductor protection
• Compliances: Contact factory
• Fuse Shape: Square body, slotted center bolted tags
• Insulated Metal Gripping Lugs Imgl : No
• Packaging Type: Standard
• Product Height: 76 mm
• Product Length Depth: 168 mm
• Product Weight: 922 g
• Product Width: 95 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 1250 V
• Voltage Type: AC

Typical Applications

• Semiconductor Device Protection
• High-Speed Power Electronics Circuits
• Industrial Power Conversion Equipment
• Motor Drive and Rectifier Protection
• Panelboard and Switchgear Assemblies

Why Bussmann?

Bussmann by Eaton is a trusted name in circuit protection, and the 170M6253 high-speed square body fuse reflects that reputation with its Class aR utilization category, 100 kAIC interrupt rating, and dual UL/IEC voltage ratings. Built for accompanied semiconductor protection, this fuse delivers the fast-acting, current-limiting performance professionals rely on for demanding power electronics and industrial applications.