Bussmann 170M-431 Eaton Series High-Speed Square Body Fuse, Class aR

Bussmann 170M-431 Eaton Series High-Speed Square Body Fuse, Class aR

The Bussmann 170M-431 is an Eaton Bussmann series high-speed square body fuse built for accompanied semiconductor protection in demanding industrial power circuits. This Class aR fuse is rated 700V (UL) and 690V (IEC) with a 200kAIC interrupting rating, and is available across the family in 450A, 550A, and 700A amp ratings to match your circuit-protection requirements. The square body design uses slotted center bolted tags for a secure, low-resistance connection, and the fuse carries UL Recognized status with CE Marking for use in professional AC power distribution systems.

Key Features

• Amp Rating Options: Available in 450A, 550A, and 700A to fit a range of semiconductor protection circuits.
• Voltage Rating: 700V (UL) and 690V (IEC) for use in demanding AC power systems.
• Interrupting Rating: 200kAIC high-speed interrupting capacity for reliable fault clearing.
• Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection of power semiconductor devices.
• Fuse Shape: Square body construction with slotted center bolted tags for a secure mechanical and electrical connection.
• Application: Engineered specifically for semiconductor protection duty.
• Voltage Type: Rated for AC circuits.

Certifications & Compliance

• UL Recognized
• CE Marked

Technical Specifications

• Voltage Type: AC
• Utilization Category: aR (accompanied semiconductor protection)
• Packaging Type: Standard
• Fuse Shape: Square body, slotted center bolted tags
• Application: semiconductor protection
• Insulated Metal Gripping Lugs Imgl: No
• Compliances: CE Marked
• Certifications: UL Recognized

Typical Applications

• Accompanied Semiconductor Protection Circuits
• Industrial Power Electronics and Conversion Equipment
• High-Speed Fault Protection in AC Power Systems
• Commercial and Industrial Electrical Distribution

Why Bussmann?

Bussmann by Eaton engineers this high-speed square body fuse with slotted center bolted tags for a dependable, low-resistance connection in semiconductor protection duty. Backed by UL Recognized status and CE Marking, the 170M-431 series delivers the 200kAIC interrupting rating and Class aR coordinated protection that professional electrical installations require across the 450A to 700A rating range.