Allen-Bradley | 140U-I3C3-C50 | Circuit Breaker | 50A | 3-Pole | 600V

Introducing the Allen-Bradley 140U-I3C3-C50 circuit breaker — a purpose-built protection device for demanding industrial environments. This 3-pole, 50A breaker is engineered to handle the realities of 3-phase systems while delivering dependable overcurrent protection at up to 600V. Use it for precise maintenance, retrofit, or replacement where exact specifications are required.

Key specifications at a glance

• Amperage: 50A
• Poles: 3-Pole
• Voltage rating: 600V
• Part number: 140U-I3C3-C50

What makes this model unique

• Direct-fit compatibility for industrial panels and distribution boards that require a precise 3-pole, 50A, 600V protection device.
• Reliable trip behavior tailored for balanced 3-phase loads, helping to minimize unplanned downtime and protect motors, drives, and control circuits.
• Trusted Allen-Bradley build quality, designed for longevity in harsh environments and easy replacement in field service scenarios.

When to choose this breaker

• Retrofits where the original equipment specification calls for a 140U family part with identical ratings.
• Maintenance replacements in MCCs or distribution panels handling up to 600V three-phase systems.
• Systems undergoing panel modernization, where keeping protection specifications intact is critical for reliability and safety.

Compatibility and ordering guidance

Important: confirm fit and ratings before ordering. The 140U-I3C3-C50 part number is the most reliable reference to ensure seamless compatibility with your existing equipment and protection scheme.

In environments where protecting critical loads matters, this Allen-Bradley circuit breaker delivers straightforward, dependable performance. It’s the practical, exact-match solution for engineers and technicians who value precise specs, clear compatibility, and durable protection in 3-phase electrical systems.