Ambient conditions and protection classification

Classification as per EN 60730

Automatic action

Control function

Pollution degree

Overvoltage category


Type 1

Class A



Protection against electric shock

Protection class III

Protection degree of housing to EN 60529

Front parts in DIN cut-out

Terminal part




Climatic ambient conditions

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



  • Class 1K22 / 2K12
    Temperature -25...70 °C (-13...158 °F)
    Air humidity 5...95 % (non-condensing)
  • Class 3K23
    Operation in enclosed dry locations, having no temperature or humidity control
    Temperature -5...50 °C (23...122 °F)
    (for details see chapter Mounting)
    Air humidity 5...95 % (non-condensing)

Mechanical ambient conditions

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


  • Class 2M4
  • Class 3M11

Standards, directives, and approvals

Product standards

IEC/EN 60730-1, IEC/EN 62368-1

Product family standard

IEC/EN 63044-x

Electromagnetic compatibility (EMC)

For residential, commercial, and industrial environments

EU conformity (CE)

See CE declaration 1)

EAC conformity

Eurasian compliance

RCM conformity

See RCM declaration 1)

UL/cUL approbation (US / Canada)


UL94, housing material meets classification V-0 2)

CSA certification



CFR 47 Part 15C


Profile: B-BC

Revision: 1.16

Detailed information on BACnet certificates, BTL listings, and PICS can be found on the BACnet website (filtered for Siemens products)

AMEV profile (BACnet 2017)


KBOB profile (BACnet 2017)

AS-CH 3)

Environmental compatibility 1)

The product environmental declaration 1) contains data on environmentally compatible product design and assessments (RoHS compliance, materials composition, packaging, environmental benefit, disposal).

OSHPD seismic certification

Product meets OSHPD Special Seismic Certification Preapproval (OSH-0217) under California Building Code 2022 (CBC 2022)4)

1) Documents can be downloaded at

2) Material level

3) AS-CH pending

4) When installed within the following Siemens enclosures: PXA-ENC18, PXA-ENC19, or PXA-ENC34.

European Union conformity

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

FCC Statement

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:

  1. This device may not cause harmful interference, and
  2. this device must accept any interference received, including interference that may cause undesired operation

FCC Caution: Changes or modifications not expressly approved by Siemens Switzerland Ltd. could void user authority to operate the equipment. United States representative

Industry Canada statement

This device complies with ISED’s license-exempt RSSs. Operation is subject to the following two conditions:

  1. This device may not cause interference, and
  2. This device must accept any interference received, including interference that may cause undesired operation.

Radiofrequency radiation exposure statement

This equipment complies with FCC and IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20 cm between the radiator and your body.

This transmitter must not be co-located or operated in conjunction with any other antenna or transmitter.