BS EN 61439-2:2009 Low-voltage switchgear and controlgear assemblies. Power switchgear and controlgear assemblies
BS EN 61439-2 defines the specific requirements of power switchgear and controlgear assemblies, with rated voltage not exceed 1000 V a.c. or 1500 V d.c.
It should be used in conjunction with BS EN 61439-1.
BS EN 61439-2 does not apply to the specific types of ASSEMBLIES covered by other parts of BS EN 61439.
Contents of BS EN 61439-2:
1 Scope
2 Normative references
3 Terms and definitions
3.1 General terms
3.2 Constructional units of PSC-ASSEMBLIES
4 Symbols and abbreviations
5 Interface characteristics
6 Information
6.1 PSC-ASSEMBLY designation marking
7 Service conditions
8 Constructional requirements
9 Performance requirements
10 Design verification
11 Routine verifications
Annexes
Annex AA (informative) Forms of internal separations (see 8.101)
Annex BB (informative) Items subject to agreement between the ASSEMBLY manufacturer and the user
Bibliography
Figure AA.1 – Symbols used in Figures AA.2 and AA.3
Figure AA.2 – Forms 1 and 2
Figure AA.3 – Forms 3 and 4
Table 101 – Values of assumed loading
Table 102 – Test voltages across the open contacts of equipment suitable for isolation
Table 103 – Electrical conditions for the different positions of withdrawable parts
Table 104 – Forms of internal separation
