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