The Allen-Bradley 150-F251NBD soft starter from the SMC-Flex series is designed to enhance motor control by safely managing current and torque during startup. This three-phase module operates on an input voltage range of 100 to 240 Volts AC and supports motors up to 75 horsepower with a current capacity of 251 Amps and contact ratings from 75 to 250 kW at 50 Hertz. It features programmable contacts, electronic motor overload protection, and SCR bypass/run contactor with optional ground fault detection when used with an external sensor. For optimal performance, it requires an open enclosure, temperature management within 0 to 50 degrees Celsius, and proper mounting for cooling.
