Allen-Bradley 140M-C2E-B40-KY 4A 3-Pole Circuit Breaker

Allen-Bradley 140M-C2E-B40-KY 4A 3-Pole Circuit Breaker delivers dependable overcurrent protection for three‑phase electrical systems. Built around the exact part number 140M-C2E-B40-KY, this device provides a precise 4‑ampere rating in a compact three‑pole format, designed to guard your equipment and panels from overloads and short circuits with coordinated protection across all phases.

Key benefits that matter in real‑world setups

Three‑pole design ensures simultaneous protection across all phases, reducing the risk of phase imbalance that can damage motors, drives, and control circuits. The 140M series legacy provides a familiar, replaceable component that fits neatly into standard industrial panels, helping you maintain uptime with minimal downtime.

Core specifications

• Model: 140M-C2E-B40-KY
• Current rating: 4 A
• Poles: 3

Ideal use cases

• Three‑phase control panels and machine enclosures where compact protection is needed
• Low‑current protection for small motors, drives, or control circuits within industrial automation setups
• Spare or replacement part to maintain consistent protection in existing Allen-Bradley installations

Why choose this specific part

Choosing the 140M-C2E-B40-KY ensures you’re aligning with a well‑established Allen-Bradley protection solution that technicians trust for straightforward installation and reliable performance in standard electrical racks. Its 4 A rating is purpose‑built for controlled loads where delicate overcurrent protection is crucial, and its 3‑pole configuration supports balanced, coordinated shutdown of all phases when protection is triggered.

Practical tips for installation and care

• Verify panel compatibility and mounting clearance for a clean, fast replacement in service panels or machine enclosures.
• Ensure terminal connections are torqued to manufacturer guidelines to maintain a solid, low‑resistance path for fault currents.
• Keep a spare 140M‑C2E‑B40‑KY on hand in critical systems to minimize downtime in the event of a fault or routine maintenance.

What you get

A dependable, exact match for your Allen-Bradley ecosystem: the 140M-C2E-B40-KY 4A 3‑Pole Circuit Breaker, designed to deliver prompt, predictable protection when it matters most in three‑phase industrial environments.