I.S. EN 60870-2-2:1999
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
01-01-1999
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
Introduction
1 Scope and object
2 Normative references
3 Climatic conditions
3.1 General
3.2 Types of location
3.2.1 Air-conditioned locations (class A)
3.2.2 Heated or/and cooled enclosed location (class B)
3.2.3 Sheltered locations (class C)
3.2.4 Outdoor locations (class D)
3.3 Classes of climatic parameters
3.3.1 Temperature, humidity, solar radiation,
condensation, wind, rain, snow, frost, ice
3.3.2 Air pressure
4 Mechanical influences
4.1 General
4.2 Type of locations and transportation conditions
4.2.1 Light installation and storage conditions
(class A[m])
4.2.2 Normal installation and storage
conditions, light transport (class B[m])
4.2.3 Severe installation and storage conditions,
normal transport (class C[m])
4.2.4 Critical installation conditions, severe
transport (class D[m])
4.3 Classes of mechanical parameters
4.4 Seismic effects (earthquakes)
4.4.1 Quantification of earthquakes
5 Other influences
6 Climatic and mechanical tests
Annexes
A Interdependence of air temperature, relative
humidity and absolute humidity
B Phenomena of earthquakes related to the scales
of Richter and Mercalli
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