Low-voltage switchgear and controlgear assemblies-Part 1: Type-tested and partially type-tested assemblies

Document Number: NL IEC 60439 1 : 2010
Sector: Electrical Engineering
TC: NL TC 3009
ICS: 29.130.20
This International Standard applies to low-voltage switchgear and controlgear ASSEMBLIES (type-tested ASSEMBLIES (TTA) and partially type-tested ASSEMBLIES (PTTA)), the rated voltage of which does not exceed 1 000 V a.c. at frequencies not exceeding 1 000 Hz, or 1 500 V d.c. This standard also applies to ASSEMBLIES incorporating control and/or power equipment, the frequencies of which are higher. In this case, appropriate additional requirements will apply. This standard applies to stationary or movable ASSEMBLIES with or without enclosure. NOTE Additional requirements for certain specific types of assemblies are given in supplementary IEC standards. This standard applies to ASSEMBLIES intended for use in connection with the generation, transmission, distribution and conversion of electric energy, and for the control of electric energy consuming equipment. It also applies to ASSEMBLIES designed for use under special service conditions, for example in ships, in rail vehicles, for hoisting equipment or in explosive atmospheres, and for domestic (operated by unskilled persons) applications, provided that the relevant specific requirements are complied with. This standard applies also to ASSEMBLIES designed for electrical equipment of machines. However, where applicable the additional requirements of IEC 60204-1 have to be fulfilled. This standard does not apply to individual devices and self-contained components, such as motor starters, fuse switches, electronic equipment, etc. complying with their relevant standards. The object of this standard is to lay down the definitions and to state the service conditions, construction requirements, technical characteristics and tests for low-voltage switchgear and controlgear ASSEMBLIES.