SIST EN 300 019-1-5 V2.1.4:2006

SLOVENSKI STANDARD
SIST EN 300 019-1-5 V2.1.4:2006
01-februar-2006
Okoljski inženiring (EE) – Okoljski pogoji in preskusi vplivov okolja na

telekomunikacijsko opremo – 1-5. del: Klasifikacija okoljskih pogojev – Inštalacije

Environmental Engineering (EE); Environmental conditions and environmental tests for

telecommunications equipment; Part 1-5: Classification of environmental conditions;

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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Intellectual Property Rights................................................................................................................................4

Foreword.............................................................................................................................................................4

1 Scope........................................................................................................................................................5

2 References................................................................................................................................................5

3 Definitions................................................................................................................................................5

4 Environmental classes..............................................................................................................................6

4.1 Class 5.1: Protected installation .........................................................................................................................6

4.2 Class 5.2: Partly protected installation ...............................................................................................................7

5 Environmental conditions.........................................................................................................................8

5.1 Climatic conditions.............................................................................................................................................8

5.2 Biological conditions..........................................................................................................................................9

5.3 Chemical active substances ................................................................................................................................9

5.4 Contaminating fluids..........................................................................................................................................9

5.5 Mechanically active substances........................................................................................................................10

5.6 Mechanical conditions......................................................................................................................................10

Annex A (normative): Summary of applications of classes 5.1 and 5.2 applied to the climatic

conditions for different areas as defined in IEC 60721-2-1........................11

History ..............................................................................................................................................................12

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This European Standard (Telecommunications series) has been produced by ETSI Technical Committee Environmental

The present document is part 1, sub-part 5 of a multi-part deliverable covering the classification of environmental

conditions and environmental tests for telecommunications equipment, as identified below:

Part 1 specifies different standardized environmental classes covering climatic and biological conditions, chemically

and mechanically active substances and mechanical conditions during storage, transportation and in use.

Part 2 specifies the recommended test severities and test methods for the different environmental classes.

The present document defines the classes of environmental conditions and their severities to which equipment may be

exposed in ground vehicles. Only severe conditions, which may be harmful to the equipment, are included. The

severities specified are those which will have a low probability of being exceeded; generally less than 1 %.

The present document applies to equipment when in use and permanently or temporarily installed in ground vehicles.

The following documents contain provisions which, through reference in this text, constitute provisions of the present

• References are either specific (identified by date of publication and/or edition number or version number) or

Referenced documents which are not found to be publicly available in the expected location might be found at

[1] ETSI ETR 035: "Equipment Engineering (EE); Environmental engineering; Guidance and

[2] IEC 60721-3-5: "Classification of environmental conditions - Part 3: Classification of groups of

environmental parameters and their severities - Section 5: Ground vehicle installations".

[3] IEC 60721-2-1: "Classification of environmental conditions. Part 2: Environmental conditions

[4] IEC 60068-2-27: "Environmental testing. Part 2: Tests. Test Ea and guidance: Shock".

For the purposes of the present document, the following terms and definitions apply:

absolute humidity: mass of water vapour in grammes which is associated with one cubic metre of dry air in an

externally mounted: equipment mounted on the outside of the vehicle, not protected from any external influences

internally mounted: equipment mounted internally in the vehicle in a compartment which affords some protection

NOTE: The protection ranges from complete isolation from external influences to protection only from

relative humidity: ratio of the partial pressure of the water vapour in moist air at a given temperature, to the partial

weatherprotected location: location at which the vehicle is protected from direct weather influences

NOTE: The locality is assumed to be reasonably ventilated (at least natural flow).

The classes shown in parentheses, e.g. (5S1), may be selected for special applications.

This class is a combination of classes 5K2/5B2/5C2(5C3)/5F1(5F2)/5S2(5S1)/5M2 or 5M3 in IEC 60721-3-5 [2].

This class applies to equipment in vehicles used at weatherprotected and heated locations covered by world-wide

At non-weatherprotected locations this class applies to equipment in ventilated compartments and in the engine

compartments of vehicles powered by electric motors in climatic conditions with normal rain intensities but excluding

NOTE 1: For some environmental parameters (low air temperature, high air temperature) this class also covers

NOTE 2: A survey of applications in different climates is given in Annex A. Climatic conditions for different areas

- equipment subjected to heat from heating elements and solar radiation through windows. The vehicle may be

moved between cold, non-weatherprotected and warm, weatherprotected conditions. The equipment may also

be subjected to dripping water and conditions of wet mounting surfaces. Engine compartments may be

- areas and conditions where mould growth and attacks by animals, except termites, may occur;

- equipment internally mounted in partly open compartments and in engine compartments which may be

- locations with normal levels of contaminants experienced in urban areas with industrial activities scattered

NOTE 3: In areas with industrial sources emitting high quantities of chemical pollutants either special precautions

NOTE 4: If the equipment is exposed to contaminating fluids either the special precautions must be taken or the

- equipment not protected from sand and dust on vehicles not used in desert areas.

NOTE 5: In a vehicle cab which is mainly protected from sand the special IEC class 5S1 may be chosen.

Class 5.1 also includes one of the following mechanical conditions as appropriate:

- Class 5M2: All types of road vehicles used in areas with well-developed road systems except tracked vehicles,