Bussmann 170M4117 Eaton Series High Speed Square Body Fuse, 700A Class aR

Bussmann 170M4117 Eaton Series High Speed Square Body Fuse, 700A Class aR

The Bussmann 170M4117 from Eaton is a high speed square body fuse engineered for semiconductor protection in demanding power electronics applications. Rated 700V (UL) / 690V (IEC) and 700A with a 200 kAIC interrupt rating, this Class aR fuse meets DIN 43 620 dimensional standards and features a blade end X blade end connection for reliable termination. It is UL Recognized and CE Marked for use in industrial power circuits requiring fast, accompanied semiconductor protection.

Key Features

• Amperage Rating: 700A for high-current semiconductor circuit protection.
• Voltage Rating: 700V (UL) / 690V (IEC) for demanding industrial power systems.
• Interrupting Rating: 200 kAIC delivers high fault-current interruption capability.
• Fuse Class: Class aR high speed square body design built to DIN 43 620 dimensional standards for accompanied semiconductor protection.
• Termination: Blade end X blade end connection with square body, slotted center bolted tags for secure mounting.
• Let-Through Energy: Pre-arc I2t of 69,500 A squared seconds and clearing I2t of 465,000 A squared seconds at 660V for precise coordination with semiconductor devices.
• Clearing Loss: Rated 85 for efficient thermal performance under load.
• Compact Dimensions: 245 mm length/depth x 142 mm width x 62 mm height, weighing approximately 498.7 g.

Certifications & Compliance

• UL Recognized
• CE Marked

Technical Specifications

• Amperage Rating: 700 A
• Application: semiconductor protection
• Certifications: UL Recognized
• Clearing I2t: 465000 at 660 V
• Clearing Loss: 85
• Compliances: CE Marked
• Fuse Shape: Square body, slotted center bolted tags
• Insulated Metal Gripping Lugs (IMGL): No
• Packaging Type: Standard
• Pre-Arc I2t: 69500
• Product Height: 62 mm
• Product Length Depth: 245 mm
• Product Weight: 498.6666667 g
• Product Width: 142 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 690 V
• Voltage Type: AC

Typical Applications

• Semiconductor Device Protection
• Power Electronics and Converter Circuits
• High-Speed Overcurrent Protection
• Industrial and Commercial Power Systems

Why Bussmann?

Bussmann by Eaton is a recognized name in circuit protection, and the 170M4117 reflects that reputation with UL Recognized and CE Marked construction built to DIN 43 620 standards. Its high speed Class aR design and 200 kAIC interrupt rating deliver dependable, code-compliant performance for semiconductor protection in professional electrical and industrial power applications.