140M-I8E-D10

The 140M-I8E-D10 circuit breaker is a circuit breaker that has been designed and developed by Allen-Bradley/Rockwell Automation. This circuit breaker provides high interrupting capacities that have been specially designed for motor isolation and branch circuit protection. This breaker operates with a mechanism that consists of a fixed magnetic function and an adjustable thermal function. This mechanism enhances the performance of the breaker since it employs 2 different fault detection means. Both of them are used to detect different types of current, making the breaker more effective than a magnetic mechanism alone. Besides branch circuit protection, the Allen-Bradley/Rockwell Automation 140M-I8E-D10 circuit breaker provides overload protection for each motor. When it comes to additional protection, the feeder circuit conductors need to be connected to an upstream protective device, and there is no need for additional protection for this breaker.

The Allen-Bradley/Rockwell Automation 140M-I8E-D10 circuit breaker operates with a voltage range of 400 to 525 Volts. It comes with a rated operational current of 100 Amps and an adjustable motor current range of 80 to 100 Amps. This breaker has an ultimate interrupting current of 70 to 30 Kiloamps depending on the voltage that is employed. Accessories can be added to enhance the overall functioning of the Allen-Bradley/Rockwell Automation 140M-I8E-D10 circuit breaker, these can range from metal housings to connecting modules and screw adapters. Extension shafts, locking tags, and anti-tamper shields are also available. Because there is a thermal mechanism, the environment must remain at a stable temperature. Excessively high temperatures can affect the trigger temperature of the breaker, which can cause faults and malfunctioning during operations.