Bussmann 170E5208 Eaton Series High-Speed Square Body Fuse, Class aR, 50A, 1400V

Bussmann 170E5208 Eaton Series High-Speed Square Body Fuse, Class aR, 50A, 1400V

The Bussmann 170E5208 is an Eaton Bussmann series high-speed square body fuse rated 50A at 1400V, built to Class aR utilization category for accompanied semiconductor protection. Its square body design with flush end contacts pairs with a top fuse status indicator, giving technicians a fast visual check of fuse condition without disturbing the mounting or interrupting circuit operation. This high-speed fuse is intended for power electronics and semiconductor circuits that demand rapid, reliable overcurrent protection where standard fuses are not fast enough to safeguard sensitive components.

Key Features

• Amperage Rating: 50A high-speed fuse element sized for accompanied semiconductor protection circuits.
• Voltage Rating: Rated 1400V for use in high-voltage power electronics applications.
• Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection of semiconductor devices alongside other overcurrent devices.
• Fuse Shape: Square body with flush end contacts for a secure, compact mounting footprint.
• Top Fuse Status Indicator: Built-in visual indicator shows fuse status at a glance, simplifying maintenance checks and reducing troubleshooting time.
• Packaging Type: Standard packaging for straightforward stocking and handling.

Technical Specifications

• Amperage Rating: 50 A
• Compliances: Contact factory
• Fuse Shape: Square body, flush end contacts
• Packaging Type: Standard
• Product Height: 50 mm
• Product Length Depth: 96 mm
• Product Weight: 219 g
• Product Width: 170 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 1400 V

Typical Applications

• Semiconductor Device Protection Circuits
• Power Electronics and Power Conversion Equipment
• Industrial and Commercial Electrical Systems
• High-Speed Overcurrent Protection Applications

Why Bussmann?

Bussmann by Eaton is a recognized name in circuit protection, and the 170E5208 reflects that engineering focus with a purpose-built square body design, flush end contacts, and a top fuse status indicator for fast field verification. Backed by a Class aR utilization category for accompanied semiconductor protection and a 1400V, 50A rating, this fuse is engineered to deliver dependable, code-compliant performance in demanding power electronics and industrial electrical systems where protecting sensitive semiconductor components is critical.