Bussmann 170M3260 High-Speed Square Body Fuse, 700V/690V, 63A, 200kAIC

Bussmann 170M3260 High-Speed Square Body Fuse, 700V/690V, 63A, 200kAIC

The Bussmann 170M3260 is an Eaton Bussmann series high-speed square body fuse engineered for demanding semiconductor protection applications. Rated 700V (UL) / 690V (IEC) at 63A with a 200 kAIC interrupt rating, this Class aR fuse delivers accompanied semiconductor protection in a compact square body design with blade end x blade end termination. Manufactured to the DIN 43 620 standard, it is UL Recognized and CE Marked for use in industrial power electronics, drive systems, and other AC voltage circuits requiring fast, reliable fault clearing.

Key Features

• Electrical Rating: 700V (UL) / 690V (IEC) at 63A with a 200 kAIC interrupt rating for high fault-current environments.
• Class aR Design: Utilization category aR provides accompanied semiconductor protection for sensitive power electronic circuits.
• Square Body Construction: Square body fuse shape with slotted center bolted tags and blade end x blade end termination for secure high-current connections.
• Compact Footprint: Measures 305 mm (length/depth) x 145 mm (width) x 65 mm (height) and weighs approximately 358.3 g.
• Fast-Acting Clearing: Pre-arc I2t rating of 115 and clearing I2t of 770 at 660V for precise, high-speed semiconductor fault clearing.
• DIN 43 620 Compliant: Manufactured to DIN 43 620 dimensional standards for reliable fit in standard high-speed fuse mounting systems.
• AC Voltage Type: Designed for AC voltage systems up to the rated 690V (IEC) / 700V (UL) levels.

Certifications & Compliance

• UL Recognized
• CE Marked

Technical Specifications

• Amperage Rating: 63 A
• Application: semiconductor protection
• Certifications: UL Recognized
• Clearing I2t: 770 at 660 V
• Clearing Loss: 14
• Compliances: CE Marked
• Fuse Shape: Square body, slotted center bolted tags
• Insulated Metal Gripping Lugs (Imgl): No
• Packaging Type: Standard
• Pre Arc I2t: 115
• Product Height: 65 mm
• Product Length Depth: 305 mm
• Product Weight: 358.3333333 g
• Product Width: 145 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 690 V
• Voltage Type: AC

Typical Applications

• Semiconductor Protection Circuits
• Power Electronics and Drive Systems
• Industrial Motor Control Equipment
• High-Speed Fault Current Interruption
• Commercial and Industrial Electrical Installations

Why Bussmann?

Bussmann by Eaton is a trusted name in circuit protection, and the 170M3260 reflects that reliability with its Class aR utilization category, DIN 43 620 compliant square body construction, and 200 kAIC interrupt rating. UL Recognized and CE Marked, this high-speed fuse delivers the fast pre-arc and clearing I2t performance professionals need for code-compliant, high-performance semiconductor protection in industrial electrical installations.