Electric linear actuator STR 1PA

Standard equipment and functions of the actuators with DMS3

Supply voltage 230 V AC
Terminal board connection
Protection of the motor against overheating
Switching off in limit positions from the position or thrust
Adjustable switching-off thrust from 50% to 100%
Torque (thrust) blocking in limit positions
Torque (thrust) blocking during the start
2 freely programmable relays RE1, RE2 (position, thrust…)
Relay READY
Control by unified signal 0/4 – 20 mA, 4 – 12 mA, 12 – 20 mA,
or 0/2 – 10 V (not for DMS3 in 2P version)
Control voltage for remote control 24 V DC (Open-Stop-Close)
Impulse control (inching duty)
Timing mode / regime of operation
Safety function ESD (failure reaction)
Electronic position transmitter 4-20 mA passive (not for DMS3 in 2P version)
Auxiliary voltage output 24 V DC, max. 40 mA for supply of the control inputs
Output for failure messages
Space heater operated by control unit
LED position indicator
Communication interface RS 232
Programme for parameters setting by PC
Mechanical connection – pillars and flange
Mechanical position indicator
Manual control
Protection code IP 67