Bussmann 170M5244 Eaton Series High-Speed Square Body Fuse, 500A, Class aR

Bussmann 170M5244 Eaton Series High-Speed Square Body Fuse, 500A, Class aR

The Bussmann 170M5244 is an Eaton series high-speed square body fuse engineered for demanding semiconductor protection applications. Rated 700V (UL) and 690V (IEC) with a 500A rating and a 100 kAIC interrupting capacity, this Class aR fuse is built to DIN 43 620 dimensional standards for accompanied semiconductor protection in power electronics and industrial drive systems. It is UL Recognized and CE Marked for use in professional electrical installations.

Key Features

• Voltage Rating: 700V (UL) and 690V (IEC), with a component voltage rating of 1250V AC, for reliable interruption in high-voltage power electronics circuits.
• Amperage Rating: 500A continuous current rating suited for high-power semiconductor protection duty.
• Interrupting Rating: 100 kAIC high interrupting capacity delivers robust short-circuit protection.
• Utilization Category: Class aR (accompanied semiconductor protection), designed to protect semiconductor devices when coordinated with other overcurrent devices.
• Fuse Shape: Square body construction with slotted, center bolted tags built to the DIN 43 620 standard for compatibility with standard high-speed fuse mounting hardware.
• Clearing I2t: 285,000 A²s at 1000V and 380,000 A²s at 1250V for precise let-through coordination.
• Pre-Arc I2t: 48,000 A²s.
• Watt Losses: 95W power dissipation rating.
• Dimensions & Weight: 284 mm length/depth x 175 mm width x 67 mm height, weighing 1009 g.

Certifications & Compliance

• UL Recognized
• CE Marked

Technical Specifications

• Amperage Rating: 500 A
• Application: semiconductor protection
• Certifications: UL Recognized
• Clearing I2t: 285000 at 1000 V, 380000 at 1250 V
• Compliances: CE Marked
• Fuse Shape: Square body, slotted center bolted tags
• Insulated Metal Gripping Lugs (IMGL): No
• Packaging Type: Standard
• Pre Arc I2t: 48000
• Product Height: 67 mm
• Product Length Depth: 284 mm
• Product Weight: 1009 g
• Product Width: 175 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 1250 V
• Voltage Type: AC
• Watt Losses: 95 W

Typical Applications

• Semiconductor Protection
• Power Electronics and Drive Systems
• Industrial Motor Control
• Rectifier and Converter Circuits
• High-Power Industrial Equipment

Why Bussmann?

Bussmann series fuses from Eaton are engineered to protect sensitive semiconductor devices with precisely coordinated clearing and pre-arc I2t characteristics. The 170M5244's square body construction, DIN 43 620 mounting compatibility, UL Recognized and CE Marked compliance make it a dependable choice for coordinated protection in demanding industrial power electronics applications.