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AST-Series

Thermal Actuator AST

AST 20405 and AST 21405 thermal actuators are designed for controlling control valves in HVAC automation systems. The thermal actuator can be controlled by 230 Vac on/off control signal or PWM signal. AST 20405 is normally closed and AST 21405 is normally open.

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Thermal Actuator AST

Technical data

Cableremovable cable (sold separately)
Medium temperature0...100 °C
IP protection classIP54
Ambient temperature0...65 °C

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