Allen-Bradley 140U-H6C3-C60-A-MT 60A 3-Pole 600 V Circuit Breaker

The Allen-Bradley 140U-H6C3-C60-A-MT 60A 3-Pole 600 V Circuit Breaker is engineered to deliver dependable overcurrent protection in demanding industrial environments. With a 60-amp current rating, three poles, and a voltage rating up to 600 V, this unit is purpose-built for three-phase power distribution and motor circuits where reliable shutdown and protection are essential.

Why this model stands out

Designed as part of the trusted Allen-Bradley family, the 140U-H6C3-C60-A-MT combines robust construction with precise protection for complex control panels and industrial feeders. Its 3-pole configuration offers balanced protection across all phases, helping prevent damage from phase imbalances and electrical faults. The MT variant in the part number indicates a specific mounting and interface fit, making it a practical choice for refurbishments or upgrades in installations that rely on this exact form factor.

Key specifications at a glance

• Current rating: 60 A
• Poles: 3
• Voltage rating: up to 600 V
• Part number: 140U-H6C3-C60-A-MT
• Configuration: 3-Pole circuit breaker for three-phase protection

Ideal use cases

• Protecting three-phase motor feeds in manufacturing lines, conveyors, and pumps
• Feeder protection in industrial distribution panels and control cabinets
• Upgrading legacy panels that require a precise 140U-series replacement with 60 A, 3-pole, 600 V capability
• Systems where compact integration and reliable tripping behavior are critical for downtime reduction

Practical benefits and outcomes

• Balanced interruption across all phases reduces equipment stress and improves fault handling.
• Supports a broad range of industrial power networks without oversizing components.
• Seamless integration with existing Allen-Bradley ecosystems and panel layouts that use the 140U family.
• Built for durable operation in demanding environments, helping extend panel life and reduce unplanned downtime.

Tips for installation and optimization

Before integrating the 140U-H6C3-C60-A-MT, verify that your panel or distribution wiring aligns with a 60 A, 3-pole configuration and that the mounting interface matches the MT variant. Use proper electrical clearance and follow standard safety procedures when wiring and testing the circuit breaker. If you're refreshing an existing installation, this model offers a straightforward path to restore reliable protection without major panel redesigns.