Ambient conditions and protection classification

Classification per IEC/EN 60730

Function of automatic control devices
Pollution degree
Overvoltage category


Type 1

Protection against electric shock

Suitable for use in protection class I or II systems

Degree of protection of housing to IEC EN 60529

Room automation station
With terminal cover



Climatic ambient conditions

  • Transport (packaged for transport) as per IEC EN 60721‑3‑2
  • Operation as per IEC/EN 60721-3-3


  • Class 2K3
    Temperature -25...70 °C (-13... 158 °F)
    Air humidity 5...95% (non-condensing)
  • Class 3K5
    Temperature -5...45 °C (23... 113 °F)/
    -5...50 °C (23... 122 °F)
    See Mounting
    Air humidity 5...95% (non-condensing)

Mechanical ambient conditions

Transport as per IEC/EN 60721-3-2
Operation as per IEC/EN 60721-3-3


Class 2M2
Class 3M2

Standards, directives and approvals

Product standard

IEC/EN 60730-1

Automatic electronic controls for household and similar use

Product family standard

EN 50491-2, EN 50491-3, EN 50491-5

General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS)

Electromagnetic compatibility

For residential, commercial, and industrial environments

EU conformity (CE)

EU declaration of conformance DXR2.. AC 230 V, see CM1T9204xx_1

EU declaration of conformance DXR2.. AC 24 V, see CM1T9204xx_2

RCM conformity

RCM declaration of conformance DXR2.. see CM1T9204xx_C1

EAC compliance

Eurasien compliance for all variants

UL Approbation

Federal Communications Commission

UL as per UL916,
cUL as per CSA – C22.2 No. 205
FCC CFR 47 Part 15 Class B


BTL listed, BACnet Advanced Application Controller (B-AAC)
BACnet Protocol Revision 13

Environmental compatibility

The product environmental declaration () contains data on environmentally compatible product design and assessments (RoHS compliance, materials composition, packaging, environmental benefit, disposal).
See Section Product documentation.


ISO 9001 (Quality)

European Union conformity

Contact for regulatory topics: (EU) Siemens AG, Berliner Ring 23, DE-76437 Rastatt