What is the maximum rating of ITCB for the motor branch circuit, according to the established guidelines?

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The maximum rating of the Individual Motor Branch Circuit (IMBC) protection device, or the Individual Motor Branch Circuit Breaker (IMBCB), is set at 60 amps according to the established guidelines. This rating adheres to the National Electrical Code (NEC) standards which provide a framework for ensuring safe electrical installations. The 60-amp rating serves to balance adequate protection for motor operations with the capacity to handle starting currents, which can be significantly higher than normal operating currents. By adhering to this maximum, the circuit can prevent overheating and potential failures while allowing for normal motor startup conditions. This value ensures that the electrical system remains within safe operating limits, enhancing reliability and safety in electrical installations for motors.

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