Bussmann 170M-565 High Speed Square Body Fuse, Class aR, 700V

Bussmann 170M-565 High Speed Square Body Fuse, Class aR, 700V

The Bussmann by Eaton 170M-565 Series is a high speed square body fuse engineered for semiconductor protection in demanding industrial power circuits. Rated 700V (UL) and 690V (IEC) with a 200 kAIC interrupting rating, this Class aR fuse features a square body with center-bolted tags and blade end to blade end connections for secure, low-resistance mounting. The 170M-565 Series is available in amp ratings from 400A to 1250A, covering 400A, 500A, 550A, 800A, 900A, 1000A, and 1250A options to match a wide range of drive, rectifier, and power electronics protection needs. It is designed to accompany semiconductor devices, providing fast-acting, current-limiting protection for solid-state equipment.

Key Features

• Amp Rating Range: Available in 400A, 500A, 550A, 800A, 900A, 1000A, and 1250A to match circuit protection requirements.
• Voltage Rating: Rated 700V (UL) and 690V (IEC) for use in high-voltage industrial power distribution and drive systems.
• Interrupting Rating: 200 kAIC interrupting capacity for reliable performance under high fault-current conditions.
• Utilization Class: Class aR fuse for accompanied semiconductor protection alongside coordinated overcurrent devices.
• Durable Construction: Square body, center-bolted tag design with blade end to blade end connections for secure, low-impedance mounting.
• Application: Purpose-built for semiconductor protection in variable frequency drives, rectifiers, and power electronics.

Certifications & Compliance

• CE Marked

Technical Specifications

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

Typical Applications

• Variable Frequency Drive (VFD) Protection
• Rectifier and Power Converter Circuits
• Industrial Power Electronics and Drive Systems
• Semiconductor Device Protection
• Motor Drive and Control Circuit Protection

Why Bussmann?

Bussmann by Eaton engineers the 170M-565 Series to deliver dependable, fast-acting protection for semiconductor devices in Class aR applications. With CE Marked compliance, a robust square body construction, and 700V (UL) / 690V (IEC) ratings backed by a 200 kAIC interrupting capacity, this series is built for demanding industrial power electronics where coordinated overcurrent protection is critical.