IS 5039 : 1983 Distribution pillars for voltages not exceeding 1 000 V AC and 1200 V DC

1 Scope

1.1 This standard covers distribution pillars for voltages notexceeding 1 000 V ac or 1 200 V dc, the current rating m eachoutgoing or incoming circuit not exceeding 630 A, for use on ac ordc systems, in outdoor conditions.

1.2 This standard covers distribution pillars incorporating HRCtype fuses only. It does not cover other equipment such asswitches, miniature circuit breakers, instruments, etc.

1.3 This standard also does not cover distribution fuse boardsfor which the provisions of IS : 2675-1983 shall apply.

References

IS 2 :1960Rules for rounding off numerical values

IS 1258 :1979Bayonet lampholders

IS 1293 :1978Three pin plugs and socket outlets

IS 1730 : Part 2 : 1974 Dimensions for steelplate, sheet and strip forstructural and general engineering purposes:Part 2 Sheet

IS 1885 : Part 17 :1979 Electrotechnical vocabulary:Part 17 Switchgear and controlgear

IS 2147 :1962Degrees of protection provided by enclosuresfor low voltage switchgear and controlgear

IS 2675 :1983Enclosed distribution fuse boards and cutoutsfor voltages not exceeding 1000 V ac and 1200 Vdc

IS 3854 :1966Switches for domestic and similar purposes

IS 8623 : Part 1 :1977 Factory built assemblies ofswitchgear andcontrolgear for voltage up to and including1 000 V ac and 1200 V dc:Part 1 General requirements