140G High Capacity MPCBs
Allen-Bradley 140G High Capacity Motor Circuit Protectors
Allen-Bradley 140G high capacity motor circuit protectors are designed to protect motors and branch circuits in demanding industrial automation systems. These MPCBs provide compact motor protection with manual disconnect capability and are commonly installed in MCCs and industrial control panels where higher interrupting capacity and dependable motor protection are required.
The 140G series is often selected for applications where motors require reliable protection against overload and short-circuit conditions while maintaining compact panel layouts. Engineers typically verify the adjustable current range against the motor full-load amps (FLA), along with frame size, voltage rating, pole configuration, and interrupting capacity to ensure compatibility with the motor starter and overall system design.
Typical applications
- Motor control centers (MCCs)
- Industrial pumps, compressors, and fans
- Conveyors and material handling equipment
- Packaging and manufacturing machinery
- OEM automation systems and industrial control panels
Key selection factors
- Adjustable current range matching motor full-load current (FLA)
- Frame size and mechanical compatibility
- Number of poles and voltage class
- Interrupting capacity and protection requirements
- Integration with motor starters and accessories
Related categories
If you are replacing an existing 140G motor circuit protector, confirm the motor full-load current, adjustable setting range, rated voltage, and required interrupting capacity before installation to ensure proper protection and compatibility.