The Siemens SIRIUS 3RW55 failsafe high performance soft starters confidently handle even difficult starting and stopping operations. This device can be used for drives with an output between 5.5 kW and 560 kW at 400 V. The soft starter has an integrated fail-safe digital input to directly connect the EMERGENCY STOP, thus covering SIL 1 STO applications. The detachable HMI and plug-in communication modules such as PROFINET, PROFIBUS, Ethernet/IP and Modbus provide maximum flexibility.
Safe state open load circuit Protection class IP on the front according to IEC 60529 IP20 Mounting position vertical Fastening method screw fixing Height 275 mm Width 170 mm Depth 152 mm