Bussmann 170M4114 High Speed Square Body Fuse, 500A Class aR

Bussmann 170M4114 High Speed Square Body Fuse, 500A Class aR

The Bussmann 170M4114 is an Eaton Bussmann series high speed square body fuse engineered for demanding power electronics and industrial circuit protection applications. Rated 700V (UL) and 690V (IEC), this Class aR fuse carries a 500A amperage rating and a 200 kAIC interrupt rating for fast, reliable clearing of high fault currents. Built with blade end x blade end terminals and manufactured to the DIN 43 620 fuse-link dimension standard, the 170M4114 is designed to protect semiconductor devices, drives, and power conversion equipment where speed and dependability are critical.

Key Features

• Voltage Rating: 700V (UL) / 690V (IEC) for compatibility with both UL and IEC-based electrical systems.
• Amperage Rating: 500A, suited for high-current industrial circuits.
• Interrupt Rating: 200 kAIC for safe interruption of high fault currents.
• Fuse Class: Class aR, a high speed, partial-range fuse designed for semiconductor and power electronics protection.
• Construction: High speed square body fuse design for compact, high-performance mounting.
• Terminal Configuration: Blade end x blade end terminals for secure, low-resistance connections.
• Standard: Manufactured to the DIN 43 620 fuse-link dimension standard for consistent fit and mounting.

Certifications & Compliance

• UL Recognized
• CE Marked

Technical Specifications

• Certifications: UL Recognized
• Compliances: CE Marked
• Product Height: 62 mm
• Product Length Depth: 245 mm
• Product Weight: 490.3333333 g
• Product Width: 142 mm

Typical Applications

• Semiconductor and Power Electronics Protection
• Motor Drive and Variable Frequency Drive Circuits
• Industrial Power Distribution Equipment
• Rectifier and Power Converter Protection
• High-Speed Fault Current Interruption in Industrial Systems

Why Bussmann?

Bussmann by Eaton is a recognized name in circuit protection, and the 170M4114 reflects that standard with UL Recognized status and CE Marked compliance for dependable, code-conscious performance. Its 200 kAIC interrupt rating, Class aR high speed design, and DIN 43 620 construction make it a solid choice for demanding industrial and power electronics applications where fast-acting, reliable fuse protection is essential to safeguarding sensitive equipment and circuits.