Bussmann 170M-500 High Speed Square Body Fuse, 400A Class aR

Bussmann 170M-500 High Speed Square Body Fuse, 400A Class aR

The Bussmann 170M-500 is an Eaton Bussmann series high speed square body fuse engineered for demanding semiconductor protection applications. Rated 400A with a 200 kAIC interrupt rating, this Class aR fuse is manufactured to DIN 43 620 dimensional standards with blade end X blade end terminals for direct mounting. A top-mounted fuse status indicator gives installers and maintenance teams a fast visual check of fuse condition without powering down equipment, making this Bussmann fuse a dependable choice for power electronics and drive systems requiring accompanied semiconductor protection.

Key Features

• Amperage Rating: 400A for reliable overcurrent protection in high-demand semiconductor circuits.
• Interrupt Rating: 200 kAIC delivers robust short-circuit interrupting capacity.
• Fuse Status Indicator: Top-mounted indicator allows fast visual verification of fuse condition.
• Terminal Configuration: Blade end X blade end design for secure, direct-mount connections.
• Utilization Category: Class aR, rated for accompanied semiconductor protection.
• Dimensional Standard: Manufactured to DIN 43 620 square body specifications.
• Fuse Shape: Square body construction with slotted center bolted tags for a dependable connection.

Certifications & Compliance

• CE Marked

Technical Specifications

• Voltage Type: AC
• Utilization Category: aR (accompanied semiconductor protection)
• Packaging Type: Standard
• Fuse Shape: Square body, slotted center bolted tags
• Application: semiconductor protection
• Insulated Metal Gripping Lugs (IMGL): No
• Compliances: CE Marked

Typical Applications

• Semiconductor Protection
• Power Electronics and Drives
• Rectifier and Converter Circuits
• Industrial Motor Control Equipment
• Panelboard and Switchgear Overcurrent Protection

Why Bussmann?

Bussmann by Eaton is a trusted name in circuit protection, and the 170M-500 high speed square body fuse reflects that standard with its DIN 43 620 construction, 200 kAIC interrupt rating, and CE Marked compliance. For engineers specifying Class aR semiconductor protection, this fuse delivers dependable, code-aware performance built for professional electrical and industrial power systems.