Bussmann 170M-587 High-Speed Square Body Fuse, Class aR, 700V

Bussmann 170M-587 High-Speed Square Body Fuse, Class aR, 700V

The Bussmann 170M-587 is part of the Eaton Bussmann series of high-speed square body fuses engineered for semiconductor protection in demanding industrial power circuits. Rated 700V (UL) and 690V (IEC) with a Class aR (accompanied semiconductor protection) utilization category, this fuse family is available in 700A, 800A, and 900A ratings to match your circuit protection requirements. A top-mounted fuse status indicator provides at-a-glance visual confirmation of fuse condition, while the square body design with slotted center bolted tags delivers a secure, low-resistance connection for high-speed interruption applications.

Key Features

• Amp Rating Range: Available in 700A, 800A, and 900A configurations for flexible semiconductor circuit protection.
• Voltage Rating: 700V (UL) and 690V (IEC) for use in AC power circuits.
• Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection of semiconductor devices.
• Top Fuse Status Indicator: Provides quick visual confirmation of fuse condition without disconnecting the circuit.
• Square Body Design: Slotted center bolted tags provide a secure mechanical and electrical connection.
• Compact Dimensions: 165 mm width x 66 mm height x 286 mm length/depth for standardized panel and enclosure fit.
• AC Rated: Designed for AC voltage type power distribution systems.

Certifications & Compliance

• 700V UL Rated
• 690V IEC Rated

Technical Specifications

• Voltage Type: AC
• Product Width: 165 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Packaging Type: Standard
• Fuse Shape: Square body, slotted center bolted tags
• Product Height: 66 mm
• Application: semiconductor protection
• Insulated Metal Gripping Lugs (IMGL): No
• Compliances: Contact factory
• Product Length/Depth: 286 mm

Typical Applications

• Semiconductor Protection Circuits
• High-Speed Power Fuse Applications
• Industrial Power Distribution Systems
• AC Power Circuit Protection
• Panelboard and Switchgear Installations

Why Bussmann?

Eaton Bussmann fuses are engineered for demanding industrial power protection, combining rugged square body construction with a Class aR utilization category built specifically for accompanied semiconductor protection. The top status indicator adds convenient visual monitoring, helping maintenance teams verify circuit protection status quickly. For applications spanning 700A to 900A, this Bussmann fuse family delivers dependable, code-informed performance engineers can rely on.