Bussmann 170L8930 Eaton Series High-Speed Square Body Fuse, 450A Class aR

Bussmann 170L8930 Eaton Series High-Speed Square Body Fuse, 450A Class aR

The Bussmann 170L8930 is an Eaton series high-speed square body fuse purpose-built for semiconductor protection in demanding power electronics applications. Rated 700V (UL) / 690V (IEC) and 450A, this Class aR fuse (accompanied semiconductor protection) is constructed with a square body featuring slotted, center-bolted tags for a compact, high-density mounting footprint. A top-mounted fuse status indicator gives technicians a fast visual check of fuse condition without interrupting the circuit.

Key Features

• Amperage Rating: 450A for high-current semiconductor protection circuits.
• Voltage Rating: 700V (UL), 690V (IEC), with a 1000V AC body rating for demanding industrial power distribution.
• Fuse Shape: Square body with slotted, center-bolted tags for secure, low-resistance connections.
• Utilization Category: Class aR (accompanied semiconductor protection), for use protecting semiconductor devices such as SCRs, diodes, and IGBTs.
• Fuse Status Indicator: Top-mounted indicator for quick visual verification of fuse condition.
• Application: Engineered specifically for semiconductor protection in power conversion and drive systems.

Certifications & Compliance

• Voltage Rated to UL Standards: 700V
• Voltage Rated to IEC Standards: 690V

Technical Specifications

• Amperage Rating: 450 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: 65 mm
• Product Length Depth: 280 mm
• Product Weight: 1940 g
• Product Width: 180 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 1000 V
• Voltage Type: AC

Typical Applications

• Semiconductor Protection (SCRs, Diodes, IGBTs)
• Power Conversion and Motor Drive Systems
• Industrial Power Distribution Equipment
• High-Speed Circuit Protection Panels

Why Bussmann?

Bussmann by Eaton is a trusted name in circuit protection, and the 170L8930 reflects that engineering with a robust square body design, slotted center-bolted tags, and a Class aR utilization category built specifically for semiconductor protection. The top-mounted fuse status indicator adds practical maintainability, helping technicians verify fuse condition quickly in demanding industrial power systems. Choose Bussmann for dependable, application-specific circuit protection engineered for critical power electronics.