Cutler Hammer CH140 - 40A, 1-Pole, Circuit Breaker

Cutler Hammer CH140 – 40A, 1-Pole Circuit Breaker is a trusted solution for dependable overcurrent protection in demanding electrical environments. Built to integrate seamlessly into distribution panels, switchboards, and control panels, this CH-series breaker delivers reliable performance where it matters most—on the job site, in manufacturing facilities, and inside OEM equipment.

With a 40A current rating and a 1-Pole configuration, the CH140 is engineered for single‑phase protection of branch circuits and feeders. Its compact form factor makes it ideal for tight panel layouts, while still providing robust protection you can count on in everyday operation.

• Current rating: 40A
• Poles: 1-Pole
• Breaker type: Circuit Breaker

Where it shines

This Breaker is purpose-built for industrial, commercial, and OEM applications where safe operation and reliable overcurrent protection are non-negotiable. It’s a natural fit for distribution panels and motor control centers, guarding single‑phase circuits in equipment, machinery, and control systems.

Why choose the CH140

Choosing this Cutler Hammer breaker means opting for a solution with proven performance in real-world environments. The CH140 is designed to deliver consistent interruption behavior and dependable protection in panelboards, switchboards, and control panels—reducing the risk of electrical faults triggering unplanned downtime. Its single-pole design prioritizes simplicity and space efficiency without sacrificing protection in a variety of setups.

Ideal for

• Industrial facilities protecting single‑phase feeders and control circuits
• Commercial electrical distribution panels needing reliable, compact protection
• OEM equipment where a proven, easy-to-integrate protection device is required
• Motor control centers and other control panel assemblies requiring dependable overcurrent safety

Practical insights

When selecting protection for a panel, ensure the CH140 is compatible with your CH-series components and panel design. This 1‑Pole, 40A device provides straightforward replacement in existing CH panel ecosystems, helping you maintain consistent protection across your electrical system. For best results, pair it with properly rated conductors and enclosures that accommodate single‑pole protection in your specific installation scenario.