Bussmann 170M5110 Eaton Series High-Speed Square Body Fuse, Class aR, 500A

Bussmann 170M5110 Eaton Series High-Speed Square Body Fuse, Class aR, 500A

The Bussmann 170M5110 is an Eaton Bussmann series high-speed square body fuse engineered for demanding semiconductor protection duty. Rated 700V (UL) / 690V (IEC) at 500A with a 200 kAIC interrupt rating, this Class aR fuse uses a blade end x blade end square body configuration built to the DIN 43 620 standard. Its high-speed design delivers the fast current-limiting response semiconductor devices and power electronics require.

Key Features

• Amperage / Voltage Rating: 500A at 700V (UL) / 690V (IEC) for robust high-speed circuit protection.
• Class aR Utilization: Accompanied semiconductor protection category, designed to work alongside backup overcurrent protection.
• Interrupt Rating: 200 kAIC interrupting capacity for demanding industrial power applications.
• Terminal Configuration: Blade end x blade end square body fuse built to the DIN 43 620 standard for bolted, high-current connections.
• Fuse Shape: Square body design with slotted center bolted tags for secure mounting.
• Clearing Characteristics: Pre-arc I2t of 21500 and clearing I2t of 145000 at 660V, with a clearing loss of 75W, for precise semiconductor protection coordination.

Certifications & Compliance

• UL Recognized
• CE Marked

Technical Specifications

• Amperage Rating: 500 A
• Application: semiconductor protection
• Certifications: UL Recognized
• Clearing I2t: 145000 at 660 V
• Clearing Loss: 75
• Compliances: CE Marked
• Fuse Shape: Square body, slotted center bolted tags
• Insulated Metal Gripping Lugs (Imgl): No
• Packaging Type: Standard
• Pre Arc I2t: 21500
• 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
• Power Electronics and Drive Circuits
• Industrial Motor Control Systems
• High-Speed Fuse Applications Requiring Class aR Coordination

Why Bussmann?

Bussmann by Eaton engineers the 170M5110 as part of its high-speed square body fuse line, backed by UL Recognized and CE Marked compliance for use in critical semiconductor protection circuits. With a 200 kAIC interrupt rating and Class aR coordination, it delivers the fast-clearing, code-compliant performance industrial and power electronics professionals depend on.