MOTOR PROTECTION CIRCUIT BREAKERS – 140MG-JSE-D10

Overview

The Allen-Bradley 140MG-JSE-D10 Motor Protection Circuit Breaker (MPCB) delivers precise protection and reliable control for high-performance motor applications. Built by Rockwell Automation, this device is engineered to maintain operational efficiency while safeguarding critical systems from overloads, short circuits, and phase failures. Compact, durable, and easy to install, it’s designed to meet the demanding needs of modern automation environments.

Performance and Protection

This breaker offers a current rating of 100A and a frame size of 125A, ensuring dependable power management in high-load industrial settings. Because it uses a screw-type main circuit connection, it provides a firm electrical contact that enhances safety and long-term stability. Moreover, the watt loss of 19.8W keeps energy consumption low, improving system efficiency. The KW rating of 75 highlights its capability to handle large motors with consistent performance.

Additionally, the breaker’s IP20 protection rating ensures basic safety against contact and foreign objects, making it suitable for enclosed control panels. Although it does not include an integrated undervoltage release, it remains compatible with add-on accessories for extended functionality when needed.

Design and Usability

Engineered for simplicity, the 140MG-JSE-D10 combines rugged construction with intuitive operation. Its thermal-magnetic trip elements protect motors from thermal overload and short-circuit faults, while quick access terminals make installation fast and maintenance straightforward. This model fits seamlessly into Rockwell’s motor control ecosystem, supporting smooth integration with 100-C contactors for coordinated protection.

Key Advantages

• Rated Current: 100A

• Frame Size: 125A

• KW Rating: 75

• Watt Loss: 19.8W

• Degree of Protection: IP20

• Screw-type main circuit connection

Conclusion

In short, the Allen-Bradley 140MG-JSE-D10 offers precise, efficient, and dependable motor protection. Its robust design, straightforward installation, and flexible compatibility make it an ideal choice for industries prioritising uptime, reliability, and streamlined power management.