Bussmann 170M5569 Eaton 170M Series High-Speed Fuse, 1250A, Class aR, Non-Indicating

Bussmann 170M5569 Eaton 170M Series High-Speed Fuse, 1250A, Class aR, Non-Indicating

The Bussmann 170M5569 is an Eaton Bussmann series 170M high-speed fuse engineered for demanding power circuit protection. This fuse carries a 1300V (UL) and 1100V (IEC) voltage rating with a 1250A amperage rating, making it suited to both UL-based and IEC-based system designs. Configured as a Class aR, non-indicating fuse, the 170M5569 is built to deliver fast-acting overcurrent interruption in high-voltage industrial power circuits where dependable, code-aware protection is required.

Key Features

• Voltage Rating: Rated 1300V (UL) and 1100V (IEC), allowing this fuse to support installations designed to either UL or IEC voltage standards.
• Amperage Rating: 1250A rating delivers high-speed protection sized for demanding, high-current power circuits.
• Fuse Class: Class aR high-speed fuse construction, part of the Eaton Bussmann approach to fast-acting overcurrent protection.
• Non-Indicating Design: Non-indicating fuse body, suited to installations that do not require a visual blown-fuse indicator.
• Series: Part of the Eaton Bussmann 170M series of high-speed fuses, model 170M5569.
• Packaging: Shipped in standard packaging for straightforward handling and stocking.

Certifications & Compliance

• 1300V Rating Established per UL Standards
• 1100V Rating Established per IEC Standards

Technical Specifications

• Amperage Rating: 1250 A
• Voltage Rating: 1300 V (UL), 1100 V (IEC)
• Compliances: Contact factory
• Packaging Type: Standard
• Product Height: 2.087 in
• Product Length Depth: 5.433 in
• Product Width: .315 in
• Product Weight: 1.6456 lb

Typical Applications

• Semiconductor and Power Electronics Protection
• Motor Drive and Rectifier Circuits
• High-Voltage Industrial Power Distribution
• Switchgear and Power Conversion Equipment
• Panelboard and Power Circuit Overcurrent Protection

Why Bussmann?

Eaton Bussmann fuses are engineered for consistent, high-speed overcurrent protection in demanding industrial power applications. The 170M series 1250A Class aR fuse combines a rated 1300V (UL) and 1100V (IEC) voltage rating with a non-indicating design for dependable performance in high-voltage circuit protection roles. With its high-speed response and Class aR construction, the 170M5569 gives electrical professionals a trusted Bussmann option for protecting critical power circuits, and standard packaging keeps it easy to specify and stock. Choose Bussmann for reliable, code-aware electrical protection built to Eaton's engineering standards.