Bussmann 170E-209 Class aR High-Speed Square Body Fuse, 1400V, E2

Bussmann 170E-209 Class aR High-Speed Square Body Fuse, 1400V, E2

The Bussmann 170E-209 is an Eaton Bussmann series high-speed square body fuse engineered for diode and semiconductor protection, featuring a Class aR utilization category and a 1400V rating. Built with a square body and center-bolted tag design, it includes a top fuse status indicator so panel builders and maintenance technicians can visually confirm fuse condition without disconnecting the circuit. This family is available in 100A and 250A ratings, giving specifiers flexibility to match the fuse to the load requirements of their semiconductor protection circuit while standardizing on a single square body, center-bolted-tag platform.

Key Features

• Amp Rating Options: Available in 100A and 250A ratings to match diode and semiconductor protection requirements across this fuse family.
• Voltage Rating: Rated 1400V for demanding high-speed semiconductor protection applications.
• Square Body Construction: Square body with center-bolted tags for a secure, low-resistance connection at the fuse holder.
• Class aR Utilization: Classified aR (accompanied semiconductor protection) for use in circuits protecting diodes and other semiconductor devices.
• Top Fuse Status Indicator: Integrated top status indicator provides a quick visual check of fuse condition without disassembly.
• Application-Specific Design: Purpose-built for diode protection in power electronics and semiconductor circuits.
• Standard Packaging: Supplied in standard packaging for straightforward stocking and replacement.

Technical Specifications

• Utilization Category: aR (accompanied semiconductor protection)
• Packaging Type: Standard
• Fuse Shape: Square body, center bolted tags
• Application: diode protection
• Insulated Metal Gripping Lugs Imgl: No
• Compliances: Contact factory
• Voltage Rating: 500V

Typical Applications

• Diode Protection Circuits
• Semiconductor Device Protection
• High-Speed Power Electronics Applications
• OEM Equipment and Panel Manufacturing
• Industrial and Commercial Electrical Systems

Why Bussmann?

Bussmann by Eaton engineers this Class aR square body fuse with a center-bolted tag design and an integrated top status indicator, built specifically for accompanied semiconductor protection in diode circuits. With ratings available in 100A and 250A, the 170E-209 series gives electrical professionals a dependable, code-aware option for protecting sensitive semiconductor devices in demanding industrial applications, backed by the Eaton Bussmann name that panel builders and maintenance teams already specify.