Bussmann 170M-366 Eaton Series High-Speed Square Body Fuse, Class aR, 700V

Bussmann 170M-366 Eaton Series High-Speed Square Body Fuse, Class aR, 700V

The Bussmann 170M-366 is an Eaton Bussmann series high-speed square body fuse engineered for semiconductor protection duty, rated 700V (UL) and 690V (IEC) with a 200 kAIC interrupting rating. Built to Class aR (accompanied semiconductor protection) utilization, this fuse features a square body with center-bolted tags, blade end X blade end terminals, and a top-mounted fuse status indicator for fast visual verification. It is available in 63A and 125A ratings, giving specifiers a compact range for protecting sensitive power electronics and drive circuits.

Key Features

• Amp Rating Range: Offered in 63A and 125A ratings to match the current-carrying needs of the protected semiconductor circuit.
• Dual Voltage Rating: Rated 700V under UL standards and 690V under IEC standards for use across both North American and international electrical systems.
• High Interrupting Capacity: 200 kAIC interrupting rating supports reliable fault clearing in high-fault-current applications.
• Class aR Utilization: Accompanied semiconductor protection Utilization Category designed to safeguard semiconductor devices in coordination with other protective devices.
• Square Body Construction: Square body, center-bolted tag design with blade end X blade end terminals for secure, low-resistance connections.
• Top Fuse Status Indicator: Integrated top-mounted indicator allows quick visual confirmation of fuse condition without disconnecting the circuit.
• Standard Packaging: Supplied in standard packaging type for straightforward stocking and distribution.

Certifications & Compliance

• CE Marked
• Rated to both UL (700V) and IEC (690V) voltage standards

Technical Specifications

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

Typical Applications

• Semiconductor Device Protection (Accompanied Protection Schemes)
• Variable Frequency Drives and Power Electronics
• Industrial Rectifier and Converter Circuits
• High-Fault-Current Power Distribution Systems
• Panelboard and Switchgear Fuse Protection

Why Bussmann?

Bussmann by Eaton engineers this high-speed square body fuse for demanding semiconductor protection duty, combining a 200 kAIC interrupting rating with dual UL and IEC voltage ratings and CE Marked compliance for use in global installations. The center-bolted square body, blade end X blade end terminals, and top status indicator reflect Eaton Bussmann series construction built for dependable, code-compliant performance in industrial power electronics applications.