Eaton Cutler-Hammer 17-20957 - 60A, 3-Pole, Disconnect Switch

The Eaton Cutler-Hammer 17-20957 is a rugged 60A, 3-pole disconnect switch built to deliver dependable on/off isolation and overcurrent protection in demanding industrial and commercial environments. Designed to stand up to daily use in control rooms, machine rooms, and equipment enclosures, this unit provides a straightforward, reliable way to safely disconnect power when service or maintenance is required.

• Model: 17-20957
• Amperage: 60A
• Poles: 3-Pole

Ideal for motor disconnects, panelboards, and branch circuit protection where a compact, maintainable fusible switch is required, the 17-20957 consolidates critical safety functions into a single, space-saving package. The three-pole design ensures complete isolation of all phases, helping you meet lockout/tagout and safe-work practices with confidence.

Key benefits that matter in real-world use

• Robust, industrial-grade construction designed for frequent operation and harsh environments
• Clear on/off control with reliable isolation to protect personnel and downstream equipment during maintenance
• Integrated overcurrent protection in a compact form factor, reducing wiring complexity and panel space
• Three-pole configuration provides full protection for three-phase motors and control circuits
• Maintenance-friendly design that supports straightforward inspection, testing, and field service

Practical applications and scenarios

Use the 17-20957 as the main disconnect for three-phase motors in conveyors, pumps, and fans, or as the primary disconnect for panelboards and machine control circuits. It’s a solid choice when you need a single, reliable switch to isolate power and protect circuits from overcurrent, all while keeping a compact footprint in crowded electrical enclosures.

Why this choice stands up against alternatives

Compared with multi-piece solutions, the Eaton 17-20957 offers all-in-one disconnect and overcurrent protection in a compact, maintainable package. It reduces installation time, simplifies servicing, and provides clear, mechanical isolation that helps technicians perform safe work without tracing multiple components across a panel.

Tips for getting the most from your disconnect

• Incorporate proper lockout/tagout procedures to maximize safety during maintenance
• Verify compatibility with your panelboard openings and mounting configuration to ensure a snug, secure fit
• Schedule regular visual inspections to confirm the operating handle, contacts, and enclosure remain free of corrosion and wear
• Document the line/load orientation and keep configuration notes with the electrical drawings for quick future servicing

Choosing the Eaton Cutler-Hammer 17-20957 means opting for a dependable, purpose-built solution for three-phase disconnect and overcurrent protection in demanding environments. It’s designed to help you protect personnel, reduce downtime, and keep critical equipment operating safely and efficiently.