Electrothermal actuator NC/NO DC 0-10V / AC 24V, 2m cable. 

Key data to replacement product: Electrothermal actuator NC, STA73/00 with connection cable type ASY6AL20HF or Electrothermal actuator NO, STP73/00 with connection cable type ASY6PL20HF
DC 0-10V / AC 24V. 
Info: 
In connection with radiator valves, V..I46.. zone valves and VPP46../VPI46.. Combi valves (e.g. Y connected to red wire of the STS61..).
In connection with V... ).