CIRCUIT BREAKER 32- 45A – 140M-F8E-C45

Overview

The Allen-Bradley 140M-F8E-C45 Motor Protection Circuit Breaker delivers dependable protection and superior control system performance. Built for efficiency, it ensures both thermal overload and magnetic short-circuit protection, guaranteeing your motors run safely and efficiently.

Key Features

The 140M range provides a disconnecting means for motor branch circuits, while offering high switching capacity and current limiting. As a result, you gain a safe, dependable, and streamlined motor control process. Rated between 0.1–45A, it adapts to a variety of control setups with ease.

Compatibility and Coordination

This breaker is specifically designed to work with the Allen-Bradley 100-C contactor range, achieving Type 2 coordination up to 22kW. Moreover, it allows precise matching without oversizing the contactor, making motor starters more economical and efficient.

Design and Installation

Compact yet powerful, the 140M-F8E-C45 offers a cost-effective solution for smaller applications. Because of its space-saving design, it maximises panel efficiency while simplifying installation. Additionally, it supports DIN rail mounting for effortless integration into existing control systems.

Operational Advantages

With no need for current limiters or backup fuses, installation is straightforward. Furthermore, its compact construction allows placement closer to supply transformers. It includes ‘ON’, ‘OFF’, and ‘TRIP’ indicators, enhancing operational clarity. The device also supports locking in the OFF position for added safety.

Environmental Adaptability

Thanks to ambient temperature compensation between -20°C and +60°C, performance remains stable under varied conditions. Consequently, it maintains reliable operation even in demanding environments.

Specifications

• Rated Current Range: 0.1–45A

• Coordination Type: Type 2

• Compatible Contactor: Allen-Bradley 100-C Range

• Mounting Type: DIN Rail

• Indicators: ON/OFF/TRIP

• Temperature Range: -20°C to +60°C

Conclusion

In essence, the Allen-Bradley 140M-F8E-C45 combines precision, safety, and compact engineering. It’s an excellent choice for facilities seeking space efficiency, cost-effectiveness, and robust protection without compromising control performance.

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