What is typically the result of a control circuit lacking control power?

In a control circuit, control power is essential for the operation of various components, particularly the relays and contactors that manage the flow of electricity to the motor. When control power is lacking, these critical components cannot receive the necessary energy to engage, which means the contactors will not activate. As a result, the motor will not receive power and cannot start or operate.

The contactors act as switches that control the high voltage power to the motor, and their engagement is dependent on receiving control power from the control circuit. Without this power, the circuit remains open, preventing current from flowing to the motor and thus stopping any operation from occurring. This scenario exemplifies the importance of maintaining a constant and reliable control power source in motor control systems to ensure proper functionality.