BS EN 61439-2:2009

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