Bussmann 170M4067 Eaton Series High-Speed Square Body Fuse, Class aR, 700A

Bussmann 170M4067 Eaton Series High-Speed Square Body Fuse, Class aR, 700A

The Bussmann 170M4067 is an Eaton series high-speed square body fuse engineered for semiconductor protection in demanding power electronics applications. Rated 1100V (IEC) / 1300V (UL) with a 700A amperage rating and a 200 kAIC interrupting rating, this Class aR fuse features blade end X blade end terminals per DIN 43 620 and a top-mounted fuse status indicator for quick visual verification. Its square body design with slotted, center-bolted tags supports reliable mounting in aR utilization category (accompanied semiconductor protection) circuits, making it well suited for industrial power conversion equipment.

Key Features

• Amperage & Voltage Rating: 700A rated at 1100V (IEC) / 1300V (UL), with a 690 V voltage rating and AC voltage type, for high-power semiconductor circuits.
• Interrupting Rating: 200 kAIC interrupting capacity for demanding fault-current conditions.
• Class aR Utilization: Class aR (accompanied semiconductor protection) utilization category, blade end X blade end per DIN 43 620.
• Fuse Status Indicator: Top fuse status indicator allows quick visual confirmation of fuse condition.
• Square Body Construction: Square body, slotted center bolted tags, measuring 245 mm length/depth x 142 mm width x 62 mm height and weighing 457 g.
• I2t Ratings: Pre-arc I2t of 69500 and clearing I2t of 465000 at 660 V for precise semiconductor coordination.
• Clearing Loss: Rated clearing loss of 85 for accurate thermal coordination in semiconductor protection schemes.

Certifications & Compliance

• IEC Rated
• CE Marked

Technical Specifications

• Amperage Rating: 700 A
• Application: semiconductor protection
• Certifications: IEC Rated
• 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: 457 g
• Product Width: 142 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 690 V
• Voltage Type: AC

Typical Applications

• Semiconductor Protection Circuits
• Power Electronics and Variable Frequency Drive Systems
• High-Speed Fault Current Interruption
• Industrial Power Conversion Equipment
• Panelboard and Switchgear Overcurrent Protection

Why Bussmann?

Bussmann by Eaton is a recognized name in circuit protection, and the 170M4067 reflects that standard with IEC-rated, CE-marked construction built for accompanied semiconductor protection. Its Class aR rating, 200 kAIC interrupting capacity, and DIN 43 620 blade end X blade end configuration make it a dependable choice for engineers specifying high-speed fuses in industrial power electronics. Choose Bussmann for code-compliant, reliable overcurrent protection in demanding semiconductor protection applications.