Thermal Actuator A 40405 24V NC 3m, Produal

The thermal actuators A 40505 (and A 41505) are designed for controlling control valves in HVAC automation systems. The thermal actuator can be controlled by a 24 Vac on/off control signal or a PWM signal. A 40505 is normally closed (A 41505 is normally open). Adapter ring not included.
Note! Do not use any ammonia materials or adhesives near the thermal actuators.