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523A27 system conforms to the requirements of EN1643 covering automatic shutoff valves for use with gas burners and gas appliances to EN161
photocell and photocell adaptor
Voltage: 110V
11 Internally Threaded Connections
They can also be adapted for air on request
Siemens SQM40.144R11 Servo Motor | Actuator model_skp55_012u1 523A27 system conforms to theThe SQM40. 144R11 is a spring return damper actuator designed for emergency damper closure in HVAC and industrial systems. It features a 10mm servo shaft diameter and operates with a counterclockwise rotation. With a servo torque of 5 Nm and a run time of 15 seconds to 90 degrees, this actuator provides reliable performance. It operates at 120V AC and includes 4 auxiliary switches for advanced control options. The actuator is housed in a NEMA 4
US$ 4770.97
US$ 2090.32
US$ 16294.95
US$ 2273.97