Type of units

Product number

Data sheet

Cable temperature sensor or changeover sensor, cable length 2.5 m

NTC (3 kΩ at 25 °C)

QAH11.1*)

N1840

Cable temperature sensor,

cable length 4 m

NTC (3 kΩ at 25 °C)

QAP1030/UFH*)

N1854

Cable temperature sensor,

cable length 2 m

NTC (10 kΩ at 25 °C)

QAP1030.200

N1831

*) both QAH11.1 and QAP1030/UFH are designed for floor heating applications such as temperature limitation control. QAP1030/UFH has a special head and is 4 m long, making it more suitable for this type of application

On/Off actuators

Type of units

Product number

Data sheet

Electromotive ON/OFF valve and actuator (only available in AP, UAE, SA and IN)

MVI.../MXI...

A6V11251892

Electromotive ON/OFF actuator

SFA21...

N4863

Thermal actuator (for radiator valve)

AC 230 V or AC/DC 24 V, NO

STP..21..

A6V12986007

Thermal actuator (for small valves 2.5 mm) AC 230 V or AC/DC 24 V, NC

STA..21..

A6V12986007

Zone valve actuator (only available in AP, UAE, SA and IN)

SUA...

A6V10446174

All documents can be downloaded from http://siemens.com/bt/download.