
Specification for factory-built assemblies of switchgear and controlgear for voltages up to and including 1000 V a.c. and 1200 V d.c. Particular requirements for busbar trunking systems (busways)
出版:British Standards Institution

专家解读视频
Definitions, calculations of resistance and reactance, types of mechanical load, connection of tap-off units, type tests, temperature rise tests, verification of structural strength and endurance systems with trolley type tap-off facilities.
© British Standards Institution 2013
Amendment notes:
AMD 3553
IEC 60439-2 Ed. 3.1 - Identical