Bussmann 170M1422 Eaton Series High-Speed Square Body Fuse, 315A, 700V, Class aR

Bussmann 170M1422 Eaton Series High-Speed Square Body Fuse, 315A, 700V, Class aR

The Bussmann 170M1422 is an Eaton Bussmann series high-speed square body fuse engineered for semiconductor protection in demanding industrial power circuits. Rated 315A with a voltage rating of 700V (UL) and 690V (IEC), this Class aR fuse delivers a 200 kAIC interrupting rating and is manufactured to the DIN 43 620 dimensional standard for reliable, code-compliant performance. Built with a blade end x blade end connection and a square body featuring slotted, offset bolted tags, the 170M1422 is designed to guard sensitive semiconductor devices from damaging overcurrent conditions.

Key Features

• Amperage Rating: 315A rating supports high-current semiconductor protection circuits.
• Voltage Rating: 700V (UL) / 690V (IEC) AC voltage rating for demanding power applications.
• Interrupting Rating: 200 kAIC high short-circuit interrupting capacity for robust fault protection.
• Fuse Shape: Square body with slotted, offset bolted tags and a blade end x blade end connection for secure mounting.
• Utilization Category: Class aR (accompanied semiconductor protection) for use alongside other overcurrent devices.
• Standard: Manufactured to the DIN 43 620 dimensional standard for compatibility with standard fuse holders.
• Clearing I2t: 80500 at 660V for predictable let-through energy during a fault.
• Pre-Arc I2t: 12000, with watt losses of 52W at rated current.

Certifications & Compliance

• UL Recognized
• CE Marked

Technical Specifications

• Amperage Rating: 315 A
• Application: semiconductor protection
• Certifications: UL Recognized
• Clearing I2t: 80500 at 660 V
• Compliances: CE Marked
• Fuse Shape: Square body, slotted offset bolted tags
• Insulated Metal Gripping Lugs (IMGL): No
• Packaging Type: Standard
• Pre Arc I2t: 12000
• Product Height: 53 mm
• Product Length Depth: 100 mm
• Product Weight: 135.8 g
• Product Width: 21 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 690 V
• Voltage Type: AC
• Watt Losses: 52 W

Typical Applications

• Semiconductor Device Protection
• Power Conversion and Rectifier Equipment
• Industrial Drives and Motor Control Systems
• High-Speed Overcurrent Protection Circuits

Why Bussmann?

Bussmann by Eaton engineers the 170M1422 with a 200 kAIC interrupting rating, UL Recognized status, and CE Marked compliance for dependable performance in critical semiconductor protection circuits. Built to the DIN 43 620 standard, this high-speed square body fuse delivers the precise clearing characteristics electrical professionals rely on for code-compliant, high-performance power system protection.