Bussmann 170M-615 High-Speed Square Body Fuse, Class aR

Bussmann 170M-615 High-Speed Square Body Fuse, Class aR

The Bussmann 170M-615 High-Speed Square Body Fuse from the Eaton Bussmann series is a Class aR fuse engineered for accompanied semiconductor protection in demanding power electronics applications. Built to DIN 43620 with a blade end x blade end connection and a square body featuring centre-bolted tags (slotted, M6), this high speed fuse carries a 200 kAIC interrupting rating and is available across 12 amp ratings from 500A to 1800A to match a wide range of semiconductor circuit protection requirements. AC rated construction and a top-mounted fuse status indicator support fast identification in panelboard and bus-bar installations.

Key Features

• Amp Rating Range: Available in 12 amp ratings — 500A, 550A, 630A, 700A, 800A, 900A, 1000A, 1100A, 1400A, 1500A, 1600A, and 1800A — for precise semiconductor protection sizing.
• High Interrupting Capacity: 200 kAIC breaking capacity delivers reliable clearing performance on high fault-current circuits.
• Utilization Category aR: Class aR design provides accompanied semiconductor protection for power electronics and drive applications.
• DIN 43620 Blade Connection: Blade end x blade end configuration built to DIN 43620 for standardized bus-bar mounting.
• Square Body Construction: Square body with centre-bolted tags (slotted, M6) for a secure, low-resistance connection.
• Top Fuse Status Indicator: Top-mounted indicator allows quick visual confirmation of fuse condition.
• Electrical Characteristics: Pre-arc let-through current of 190,000 A²s and clearing I²t of 1,300,000 A²s at 660V.
• AC Voltage Type: Rated for AC applications in industrial power distribution systems.

Certifications & Compliance

• CE Marked

Technical Specifications

• Voltage Type: AC
• Product Width: 95 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Fuse Shape: Square body, slotted center bolted tags
• Product Height: 76 mm
• Application: semiconductor protection
• Insulated Metal Gripping Lugs (Imgl): No
• Compliances: CE Marked
• Product Length Depth: 168 mm

Typical Applications

• Semiconductor Protection Circuits
• Power Electronics and Variable Frequency Drives
• Industrial Motor Control and Power Distribution Panels
• Bus-Bar Mounted High Speed Fuse Assemblies
• Rectifier and Converter Protection

Why Bussmann?

Bussmann high speed fuses are engineered to DIN 43620 with CE marked compliance, delivering the 200 kAIC interrupting capacity and precise pre-arc and clearing I²t characteristics that semiconductor protection applications demand. The Eaton Bussmann series square body design with centre-bolted tags and a top fuse status indicator supports dependable, code-compliant performance across the full 500A-1800A amp rating range for professional industrial installations.