Bussmann 170M-635 Class aR High-Speed Square Body Semiconductor Fuse, 700V, 550A, 200kAIC

Bussmann 170M-635 Class aR High-Speed Square Body Semiconductor Fuse, 700V

The Bussmann 170M-635 is a Class aR high-speed square body fuse engineered for accompanied semiconductor protection in demanding AC power circuits. Rated 700V (UL) and 690V (IEC) with a 550A current rating and a 200 kAIC interrupting rating, this fuse delivers the rapid clearing performance semiconductor devices require to prevent damage during fault conditions. Its square body design with slotted, center-bolted tags supports secure, low-resistance connections in industrial power distribution and power electronics assemblies.

Key Features

• Compact Dimensions: Measures 123 mm in height, 78 mm in length/depth, and 155 mm in width for defined mounting and clearance planning.
• Square Body Construction: Square body fuse shape with slotted, center-bolted tags for a secure, low-resistance connection in high-current assemblies.
• Class aR High-Speed Design: Utilization Category aR (accompanied semiconductor protection) delivers the fast-clearing response needed to safeguard semiconductor devices from short-circuit currents.
• Dual Voltage Rating: Rated 700V under UL and 690V under IEC, giving flexibility across both North American and international AC systems.
• High Current & Interrupting Capacity: 550A current rating paired with a 200 kAIC interrupting rating for demanding industrial power circuits.
• AC Voltage Type: Engineered specifically for AC power distribution and semiconductor protection applications.

Certifications & Compliance

• CE Marked

Technical Specifications

• Application: semiconductor protection
• Utilization Category: aR (accompanied semiconductor protection)
• Product Height: 123 mm
• Product Length Depth: 78 mm
• Voltage Type: AC
• Insulated Metal Gripping Lugs Imgl: No
• Packaging Type: Standard
• Fuse Shape: Square body, slotted center bolted tags
• Compliances: CE Marked
• Product Width: 155 mm

Typical Applications

• Semiconductor Device Protection
• Industrial Power Circuits and Power Electronics Assemblies
• High-Speed Fault Current Interruption
• AC Power Distribution Systems
• Motor Drives, Rectifiers, and Power Conversion Equipment

Why Bussmann?

Bussmann by Eaton engineers its Class aR high-speed fuses for the precise, fast-clearing performance semiconductor protection demands, backed by a square body construction with slotted, center-bolted tags for dependable connections. With a 700V (UL) / 690V (IEC) rating, 550A current rating, 200 kAIC interrupting rating, and CE marking, the 170M-635 delivers the reliable, code-compliant protection professionals expect for critical power electronics applications.