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Actuator with EPE control (single-pole switching on).When heat is required, the controller contact is closed, RLY1 is energised and closes the NO contact of switch SW3. This closes connection B and opens connection A. When A is fully open, the cam closes switch SW1 and opens SW2.If the heat demand is covered, the controller contact is opened. RLY1 drops out and the NC contact in SW3 is closed. If connection A is completely closed, cam SW2 closes and opens SW1. The valve is now ready again for the next heat request.In the event of a power failure, the valve remains in the current position for both actuator types. When the power is switched on again, the valve reacts to the controller status.- Suitable for changeover valve VC- Power consumption: 4 W- Protection class: IP40- Insulation class: II- Single-pole switching on
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Parfait Article tout à fait conforme à lattente Delai de livraison optimum A recommander
Article tout à fait conforme à lattente Delai de livraison optimum A recommander