Ambient conditions and protection classification

Classification as per EN 60730

Function of automatic control devices

Pollution degree

Overvoltage category

Rated surge voltage


Type 1



4 kV

Protect against shock

Device suited for use with equipment of safety classes I and II

Degree of protection of housing to EN 60529


Ambient conditions

Climatic ambient conditions

  • Transport and storage (packaged) as per IEC/EN 60721-3-2 / 3-1
  • Operation as per IEC/EN 60721-3-3


  • Class 2K12 / 1K22
    Temperature -40...+70 °C (-40...+158 °F)
    Air humidity 5…95 % (non-condensing)
  • Class 3K23
    Operate in closed, dry locations, without temperature or humidity control
    Temperature -5...+40 °C (23...+104 °F)
    Air humidity 5...95 % (non-condensing)

Mechanical ambient conditions

  • Transport (transport packaging)
    Transport per IEC 60721-3-2
  • Operation
    Per IEC/EN 60721-3-3s


Class 2M4

Class 3M11

Standards, directives, and approvals

Product standards

IEC/EN 61439-1

Low voltage switchgear and controlgear assemblies - Part 1: General Rules

Electromagnetic compatibility

For residential, commercial, and industrial environments

EU conformity (CE)

See EU declaration of conformance

UK compliance (UKCA)

See UK declaration of conformance (in preparation)

RCM Conformity

See RCM declaration of conformance

Environmental compatibility

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

Related documents such as the environmental declarations, CE declarations, etc., can be downloaded from the following Internet address: