Wireless room thermostat with LCD, incl. receiver

Stock no. S55770-T281

Stock no. S55770-T281

Battery-powered DC 3V thermostat with mains-powered AC 230 V receiver, no time switch



Operating voltage

DC 3 V for thermostat, AC 230 V for receiver

Voltage supply

Micro (2xAAA)

Battery life

1 year

Power consumption

14 VA on receiver

Positioning signal


Ambient temperature, operation

0...50 °C

Setpoint setting range

5...35 °C

Switching differential

1 K

Relay outputs

Change-over contact, potential-free on receiver

Relay outputs, number


Relay output, switching voltage

AC 24…230 V on receiver

Relay output, switching current

8 (2) A

Radio frequency

433 MHz

Type of fixing

Wall mounting or desk stand for thermostat, Wall mounting for receiver

Degree of protection


Dimensions (W x H x D)

106 x 85 x 22 mm