The Siemens SIRIUS 3RA6 series is a compact load feeder reversing starter for IO link which has 3 poles and operating frequency of 50 to 60 Hz. The type of electrical connection for main current circuit is through plug in without terminal and connection for control circuit is through screw terminal. The devices combine the functions of circuit breaker, contactor and electronic overload relay and offer extremely high operational reliability. Due to compact design it saves space in the control cabinet and because of removable terminals replacement is easily possible. It is available as direct-on-line or reversing starters and with various setting ranges. It is designed for AC or DC operation.

Ambient operating temperature is -25 to +60 °C
Operating frequency is 50 to 60 Hz
Trip class is CLASS 10E