SFP71/18 Siemens

SFP71/18 Siemens Actuator On/Off 24 V AC for small zone valves

For on/off control of terminal units and heating and cooling zones. The actuators offer a low noise level, have a manual lever, power fail reset function (NC valve closed) and 1.8 m connecting cable. 1 auxiliary switch is available as an accessory item. The combination with a 3-port valve is suited for applications requiring tight shutoff in both valve end positions. 

Specifications:

Positioning force: 135 N 

Stroke: 2.5 mm 

Power consumption: 9.8 VA 

Positioning time: 10 s 

Cable length: 1.8 m 

Degree of protection: IP30 

Ambient temperature, operation: 1...50 °C 

Medium temperature: 1…110 °C 

Mounting position: Upright to 85° inclined 

Operating voltage: AC 24 V 

Positioning signal: 2-position 

Auxiliary switch: Optional 

For fitting to the valve: Cap nut M30 x 1.5

Technical specifications (PDF)