Thermostat / Transmitter

Power supply

Operating voltage

DC 3 V (2 x 1.5 V AAA Alkaline batteries)

Battery life

> 1 year (AAA Alkaline batteries)

Functional data

Switching differential SD

0.5 K

Setpoint setting range
Comfort operation
Economy mode
Holiday mode
Increments


4…35 °C (Default:20 °C )
4…35 °C (Default:16 °C )
4…35 °C (Default:12 °C )
0.5 °C

Resolution of settings and displays
Setpoint
Switching times
Actual value displays
Time of day displays


0.5 °C
15 min
0.5 °C
1 min

Ambient conditions and protection classification

Safety class

III to EN60730-1

Pollution degree

2

Degree of protection of housing

IP30 to EN60529

Climatic ambient conditions

- Storage as per IEC60721-3
Climatic conditions
Temperature
Humidity
Mechanical conditions

- Transport as per IEC60721-3
Climatic conditions
Temperature
Humidity
Mechanical conditions

- Operation as per IEC60721-3
Climatic conditions
Temperature
Humidity

 


Class 2K3
-25...+70 °C
< 93 % r.h.
Class 2M2


Class 2K3
-25...+70 °C
< 93 % r.h.
Class 2M2


Class 3K3
0...45 °C
< 85 % r.h.

Radio receiver 433 MHz

Power supply

Operating voltage

AC 230 V

Power

8 VA

Frequency

50 Hz

Outputs

Switching capacity of relays
Voltage
Current


AC 24...230 V
5(2) A

External protection for incoming cable

Max. 10 A

Circuit breaker
Circuit breaker tripping characteristic


Type B, C or D to EN60898 and EN60947

Ambient conditions and protection classification

Safety class

II to EN60730

Pollution degree

2

Degree of protection of housing

IP30 to EN60529

Climatic ambient conditions

- Storage as per IEC60721-3
Climatic conditions
Temperature
Humidity
Mechanical conditions

- Transport as per IEC60721-3
Climatic conditions
Temperature
Humidity
Mechanical conditions

- Operation as per IEC60721-3
Climatic conditions
Temperature
Humidity

 


Class 2K3
-25...+70 °C
< 93 % r.h.
Class 2M2


Class 2K3
-25...+70 °C
< 93 % r.h.
Class 2M2


Class 3K3
0...45 °C
< 85 % r.h.

Standards, directives and approvals

EU conformity (CE)

A5W00248943A *)

UKCA

A5W00248944A *)

Eco design and labeling directives

Based on EU Regulation 813/2013 (Eco design directive) and 811/2013 (Labeling directive) concerning space heaters, combination heaters, the following class apply:

Application with On/Off operation of a heater   Class I Value 1%

Environmental compatibility

The product environmental declaration (A5W00244893A *) contains data on environmentally compatible product design and assessments (RoHS compliance, materials composition, packaging, environmental benefit, disposal).

General

Electrical connections

Connection terminals
For solid wires
For stranded wires

 

Screw terminals
2 x 1.5 mm2
1 x 2.5 mm2

Weight without/with package

312.5 g / 433.1 g

*) The documents can be downloaded from http://siemens.com/bt/download.