Bussmann 170M5114 Eaton Series High-Speed Square Body Fuse, 800A, 200 kAIC, Class aR

Bussmann 170M5114 Eaton Series High-Speed Square Body Fuse, 800A, 200 kAIC, Class aR

The Bussmann 170M5114 is an Eaton series high-speed square body fuse engineered for semiconductor protection in demanding industrial power circuits. Rated 1250V (IEC) / 1300V (UL) with an 800A amperage rating and a 200 kAIC interrupt rating, this Class aR (accompanied semiconductor protection) fuse features a blade end x blade end termination built to the DIN 43 620 standard. The square body design with slotted center bolted tags delivers reliable, code-conscious overcurrent protection for high-speed switching applications where component-level semiconductor protection is critical.

Key Features

• Amperage Rating: 800A for high-current semiconductor protection circuits.
• Interrupt Rating: 200 kAIC for demanding fault-current environments.
• Voltage Rating: 1250V (IEC) / 1300V (UL), with a 690V continuous voltage rating, for use in AC power systems.
• Utilization Category: Class aR (accompanied semiconductor protection) per DIN 43 620.
• Fuse Shape: Square body with slotted center bolted tags and blade end x blade end termination.
• Clearing Characteristics: Clearing I2t of 575000 at 660V and Pre-Arc I2t of 86000 for predictable, fast-acting operation.
• Clearing Loss: 105 for efficient thermal performance under load.
• Application: Purpose-built for semiconductor protection in industrial AC power circuits.

Certifications & Compliance

• IEC Rated
• CE Marked

Technical Specifications

• Amperage Rating: 800 A
• Application: semiconductor protection
• Certifications: IEC Rated
• Clearing I2t : 575000 at 660 V
• Clearing Loss: 105
• Compliances: CE Marked
• Fuse Shape: Square body, slotted center bolted tags
• Insulated Metal Gripping Lugs Imgl : No
• Packaging Type: Standard
• Pre Arc I2t : 86000
• Product Height: 66 mm
• Product Length Depth: 286 mm
• Product Weight: 594 g
• Product Width: 165 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 690 V
• Voltage Type: AC

Typical Applications

• Semiconductor Protection Circuits
• High-Speed Industrial Power Systems
• AC Motor Drives and Power Electronics Protection
• Panelboard and Switchgear Overcurrent Protection
• Commercial and Industrial Electrical Installations

Why Bussmann?

Bussmann by Eaton engineers this high-speed square body fuse with a robust square body, slotted center bolted tag construction and DIN 43 620 compliant blade end x blade end termination for dependable, code-compliant performance. With a 200 kAIC interrupt rating, IEC rated status, and CE marking, the 170M5114 delivers the fast-acting, high-interrupt protection that semiconductor circuits demand from a trusted electrical brand.