Bussmann 170F-823 High-Speed Traction Fuse, Class aR, 660V

Bussmann 170F-823 High-Speed Traction Fuse, Class aR, 660V

The Bussmann 170F-823 High-Speed Traction Fuse is an Eaton Bussmann series fuse engineered for accompanied semiconductor protection (Utilization Category aR) in demanding traction and DC power applications. Rated 660V with a listed Voltage Rating of 1200V and a 100 kAIC interrupting rating, this fuse is available in 250A and 400A ratings to match a range of semiconductor circuit-protection needs. The square-body, offset-bolted-tag design and DC voltage type support dependable performance in high-speed fusing duty for traction power systems, and the compact 160 mm x 74 mm x 90 mm body keeps installation straightforward in space-constrained enclosures.

Key Features

• Class aR Protection: Utilization Category aR delivers accompanied semiconductor protection for coordinated fusing of power semiconductor devices.
• Amp Rating Options: Available in 250A and 400A ratings to match a range of traction and DC circuit-protection loads.
• Dual Voltage Rating: Rated 660V with a 1200V Voltage Rating for demanding DC traction and semiconductor circuit applications.
• High Interrupting Capacity: 100 kAIC interrupting rating supports fast, reliable fault clearing in high-energy circuits.
• DC Voltage Type: Engineered as a DC-rated fuse suited to traction power and DC distribution systems.
• Fuse Body Construction: Square body with offset bolted tags for a secure, low-resistance connection.
• Compact Dimensions: Measures approximately 160 mm wide x 74 mm high x 90 mm deep and weighs 1051 g.
• Standard Packaging: Shipped in Standard packaging for straightforward stocking and replacement.

Technical Specifications

• Voltage Type: DC
• Product Width: 160 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Packaging Type: Standard
• Fuse Shape: Square body, offset bolted tags
• Product Height: 74 mm
• Insulated Metal Gripping Lugs Imgl: No
• Product Weight: 1051 g
• Product Length Depth: 90 mm
• Certifications: Contact factory
• Voltage Rating: 1200V

Typical Applications

• Rail and Transit Traction Power Systems
• Semiconductor and Power Electronics Protection
• DC Drive and Rectifier Circuit Protection
• Industrial DC Power Distribution and Switchgear
• OEM Traction Equipment Manufacturing

Why Bussmann?

Backed by the Eaton Bussmann name, the 170F-823 series high-speed traction fuse pairs rugged square-body, offset-bolted-tag construction with Class aR accompanied semiconductor protection to help safeguard sensitive DC power electronics. With a 100 kAIC interrupting rating and voltage ratings suited to demanding traction environments, this fuse is engineered for dependable, code-compliant performance across both the 250A and 400A ratings in professional electrical and traction power applications.