Bussmann 170M3665 Eaton Series High-Speed Square Body Fuse, Class aR, 200A

Bussmann 170M3665 Eaton Series High-Speed Square Body Fuse, Class aR, 200A

The Bussmann Eaton series high-speed square body fuse is engineered for semiconductor protection in demanding AC power circuits. Rated 700V (UL) and 690V (IEC) with a 200A amperage rating and a 200 kAIC interrupting rating, this Class aR fuse uses a blade end x blade end connection for reliable, low-resistance mounting. Its square body construction with center bolted tags is built to protect sensitive semiconductor devices from short-circuit fault currents.

Key Features

• Amperage Rating: 200A for high-current semiconductor circuit protection.
• Voltage Rating: 700V (UL) / 690V (IEC), AC voltage type, suited for industrial power systems.
• Interrupting Rating: 200 kAIC for dependable short-circuit fault clearing.
• Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection with other overcurrent devices.
• Fuse Shape: Square body with center bolted tags and blade end x blade end terminals for secure connections.
• I2t Ratings: Pre-arc I2t of 2200 and clearing I2t of 15000 at 660V for precise let-through energy control.
• Watt Losses: 35W rated power dissipation.
• Application: Designed for semiconductor protection duty.

Certifications & Compliance

• IEC Rated
• CE Marked

Technical Specifications

• Amperage Rating: 200 A
• Application: semiconductor protection
• Certifications: IEC Rated
• Clearing I2t: 15000 at 660 V
• Compliances: CE Marked
• Fuse Shape: Square body, center bolted tags
• Insulated Metal Gripping Lugs (IMGL): No
• Packaging Type: Standard
• Pre Arc I2t: 2200
• Product Height: 65 mm
• Product Length/Depth: 305 mm
• Product Weight: 319 g
• Product Width: 145 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 690 V
• Voltage Type: AC
• Watt Losses: 35 W

Typical Applications

• Semiconductor Device Protection
• High-Speed Fault Current Protection in AC Circuits
• Industrial Power Distribution Systems
• Motor Drive and Rectifier Circuit Protection
• Coordinated Overcurrent Protection Schemes

Why Bussmann?

Bussmann, an Eaton series brand, engineers this high-speed square body fuse with a 200 kAIC interrupting rating, IEC rated performance, and CE marked compliance for demanding semiconductor protection applications. The Class aR utilization category and precise pre-arc and clearing I2t characteristics deliver coordinated, code-compliant overcurrent protection that professionals can rely on for critical power electronics installations.