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Möhlenhoff Alpha 5 actuator 230V NC, AST 20405-00N80-1S plug


The OEM drive 5: 230 V with plug-in cable is a thermoelectric actuator for opening and closing small valves and valves on heating circuit distributors of surface heating and cooling systems. The main area of application is energy-efficient individual room control in the field of home technology and building automation. The OEM drive 5: 230 V with plug-in cable is controlled by a 230 V room temperature controller with two-point output or pulse width modulation.


• Version in currentless-closed (NC)

• Only 1 watt power consumption

• pluggable cable with water-protected connection

• Simple plug-in installation

• 360° mounting position

• Patented 100% protection against leaky valves

• “First-Open” function

• Adjustment control on the valve

• Alignment aid on the valve

• Compact design, small dimensions

• All-round function display

• High functional reliability and life expectancy

• Overvoltage guarantee

• Certified by TÜV-SÜD


Technical features


  • Length: 58 mm
  • Width: 44 mm
  • Height: 52 mm
  • Voltage type: ac
  • Display: No
  • First-Open: Yes
  • Function: Thermal
  • Return channel: No
  • Voltage: 230 V
  • Valve travel detection: No
  • Actuating force: 100 N
  • travel: 4 mm
  • Sense of action: NC
  • Power consumption: 1 W
  • Communication: Cable
  • Power supply: mains connection


** Average Wholesale Price