ELECTRIC FAIL-SAFE ACTUATORS

Designed for fail open/close oper- ations in emergency conditions. Compliant with all open bus pro-
tocols, with PST capability. SIL 3 rated, suitable for ROSOV (remote operated shut-off valves).

• Spring operation: start- ing torque up to 18000 Nm (159313 Lb-in), ending torque up to 9000 Nm (79656 Lb-in)
• Voltage: from 24 to 110 VDC; from 110 to 240 V 50/60Hz 1PH; from 208 to 690 V 50/60Hz 3PH
• Temperature range: -45°C to +85°C (-49°F to +185°F)
• Safety integrity level (IEC 61508-1÷7:2010) – SIL3