Benshaw MX4PB-SD-500-4-4-HB - MX4PB Packaged Combo Starters are stocked as comprehensive, service entrance rated combination starters. Choose between Standard Duty or Heavy Duty models based on your specific application requirements, including operating voltage, motor horsepower, and FLA. These combo starters utilize the advanced EMX4i chassis soft starter and feature a circuit breaker with a door-mounted rotary disconnect operator, run duty bypass, 120V control power transformer, and a door-mounted keypad. Housed in NEMA4/12 enclosures (or NEMA3R with optional adder) rated at 65K, these starters provide reliable and efficient performance in demanding applications.