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Singapore Standards Package/Series ISO IEC

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IEC 61439-5:2010 [Revised]

Low-voltage switchgear and controlgear assemblies - Part 5: Assemblies for power distribution in public networks

IEC 61439-5:2014 [Revised]

Low-voltage switchgear and controlgear assemblies - Part 5: Assemblies for power distribution in public networks

...101 Dry heat test The complete ASSEMBLY shall be placed in an oven, the internal temperature of which is raised to (100 2) C over a period of 2 h to 3 h and maintained at this temperature for 5 h...
...Deformation of protective covers manufactured from insulating materials is acceptable if they are more than 6 mm distant from parts which may have a temperature rise in excess of 40 K and do not support live components...
...Compliance is checked by inspection that each set of specimens can be classified to category HB40 criteria a) or b) in accordance with 8...

IEC 61439-5:2023 [Current]

Low-voltage switchgear and controlgear assemblies - Part 5: Assemblies for power distribution in public networks

IEC 61439-5:2023 RLV [Current]

Low-voltage switchgear and controlgear assemblies - Part 5: Assemblies for power distribution in public networks

IEC 61439-6:2012 [Current]

Low-voltage switchgear and controlgear assemblies - Part 6: Busbar trunking systems (busways)

...ssfully 10 000 cycles of to-and-fro movements along the conductors of the BT run, with the sliding contacts carrying their rated current at rated voltage...
...The necessary mechanical properties may be obtained by the choice of material, its thickness, its shape, and/or by the number of and position of fixing points as indicated by the original manufacturer...
...2 Clearances Addition after the first paragraph: Clearances of supplementary insulation shall be not less than those specified for basic insulation...

IEC 61439-7:2018 [Revised]

Low-voltage switchgear and controlgear assemblies - Part 7: Assemblies for specific applications such as marinas, camping sites, market squares, electric vehicle charging stations

...2 Degree of protection provided by an ASSEMBLY enclosure 8...
...701 ASSEMBLIES for locations with restricted access The minimum mechanical resistance for ASSEMBLIES for locations with restricted access is the basic resistance (5...
...702 ASSEMBLIES for locations with non-restricted access The minimum mechanical resistance for ground and floor mounting ASSEMBLIES for locations with non-restricted access is the high resistance (5...

IEC 61439-7:2022 [Current]

Low-voltage switchgear and controlgear assemblies - Part 7: Assemblies for specific applications such as marinas, camping sites, market squares, electric vehicle charging stations

...2 Water and other fluid systems The assembly in a common enclosure with water and other fluids shall be designed according to the requirements of this document for outdoor installation...
...The compartment containing the fluid system shall be separated in such a way that an improper fluid ingress is prevented...
...telecommunication, internet) can be installed in the same enclosure, the assembly shall enable segregation between power circuits and this other services...

IEC 61439-7:2022 RLV [Current]

Low-voltage switchgear and controlgear assemblies - Part 7: Assemblies for specific applications such as marinas, camping sites, market squares, electric vehicle charging stations

...702 Assemblies for locations with non-restricted access The minimum mechanical resistance for ground and floor mounting assemblies for locations with non-restricted access is the high resistance (5...
...The minimum mechanical resistance for wall mounting assemblies for locations with non- restricted access is the high resistance (5...
...ssemblies for locations with non-restricted access intended to be installed at a height where the bottom edge of the assemblies is more or equal to 0,9 m from the ground or floor, the mechanical resistance can be decreased to medium resistance (5...

IEC 61442:1997 [Revised]

Electric cables - Test methods for accessories for power cables with rated voltages from 6 kV (Um = 7,2 kV) up to 30 kV (Um = 36 kV)

IEC 61442:2005 [Revised]

Test methods for accessories for power cables with rated voltages from 6 kV (Um = 7,2 kV) up to 30 kV (Um = 36 kV)

...4 Unless otherwise stated, the testing parameters and the requirements are given in the relevant standard...
...6 The tests shall be started not less than 24 h after the installation of the accessories on the cable test loops, unless otherwise specified by the manufacturer...
...8 All parts of an accessory which are normally earthed shall be connected to the cable screen...

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