Sun-Yeh L Range NEMA 4X, 5 & IP67 Enclosure for Outdoor Use (IP68 and ATEX Enclosure Optional)All models come standard with modulating control to provide throttling or modulating control of valves.Low power consumption DC motor achieves high duty rating and operational efficiency.Clutch-less Manual Transmission (optional)2 additional auxiliary switches for voltage free open and closed indicationAll models are equipped with an easily visible, continuous, mechanical position indicator on top of the actuator cover Built-in Thermal ProtectionAvailable in 24v AC/DC; 110V/220V -1 Phase; 400v – 3 PhaseFieldbus option: Modbus RTU RS485 Documentation PS Automation PSL-AMS Enclosure – IP65; IP67 Optional24v AC/DC; 110V -1, 230v -1, 360 – 440v -3Duty Cycle: S2 – 30min; S4 50% ED @25 degrees CelsiusManual override by handwheelInternal fault monitoringAutomatic commissioning Local controls optionalFieldbus ready – Profibus DP, CANopen; additional interfaces available on request Documentation