Bussmann 170M-261 Eaton Series High-Speed Square Body Fuse, Class gR

Bussmann 170M-261 Eaton Series High-Speed Square Body Fuse, Class gR

The Bussmann 170M-261 is an Eaton Bussmann series high-speed square body fuse engineered for demanding semiconductor protection applications, available in amp ratings from 40A to 63A to match your circuit requirements. Rated 700V (UL) and 690V (IEC) with a 200 kAIC interrupting rating, this Class gR fuse delivers dependable overcurrent protection for high-speed circuits. Built to DIN 43 620 dimensional standards with a blade end X blade end connection and a top-mounted fuse status indicator, it is designed for straightforward installation and at-a-glance status verification in industrial power systems.

Key Features

• Amp Rating Range: Available in 40A, 50A, and 63A ratings to suit a range of semiconductor protection circuits.
• Voltage Rating: Rated 700V (UL) and 690V (IEC) for use across UL and IEC-compliant electrical systems.
• Interrupting Rating: 200 kAIC interrupting capacity provides robust short-circuit protection.
• Utilization Category: Class gR general purpose semiconductor protection fuse.
• Connection Style: Blade end X blade end termination built to DIN 43 620 dimensional standards.
• Status Indication: Top-mounted fuse status indicator for quick visual verification of fuse condition.
• Construction: Square body design with slotted, offset bolted tags for secure mounting.
• Compact Footprint: Measures 140 mm wide x 66 mm high x 233 mm deep.

Certifications & Compliance

• UL Rated (700V)
• IEC Rated (690V)
• CE Marked

Technical Specifications

• Voltage Type: AC
• Product Width: 140 mm
• Product Height: 66 mm
• Product Length/Depth: 233 mm
• Utilization Category: gR (general purpose semiconductor protection)
• Fuse Shape: Square body, slotted offset bolted tags
• Application: Semiconductor protection
• Packaging Type: Standard
• Insulated Metal Gripping Lugs (IMGL): No
• Compliances: CE Marked
• Certifications: IEC Rated

Typical Applications

• Semiconductor Protection Circuits
• High-Speed Industrial Power Distribution
• Motor Drive and Power Electronics Protection
• Switchgear and Panelboard Installations
• UL and IEC-Compliant Electrical Systems

Why Bussmann?

Bussmann by Eaton is a trusted name in circuit protection, and the 170M-261 series reflects that standard with robust square body construction, a 200 kAIC interrupting rating, and a top status indicator for fast fault diagnosis. Backed by UL and IEC ratings and CE marking, this Class gR fuse is built to deliver dependable, code-compliant protection for demanding semiconductor and industrial power applications.