BS 4941-4(1977) : 1977被替代
SPECIFICATION FOR MOTOR STARTERS FOR VOLTAGES UP TO AND INCLUDING 1000 V A.C. AND 1200 V D.C. - REDUCED VOLTAGE A.C. STARTERS TWO STEP AUTO TRANSFORMER STARTERS
出版：British Standards Institution
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基本信息
标准编号： BS 4941-4(1977) : 1977
发布时间：1977/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：25
标准简介
Gives characteristics of auto transformer starters; their compliant conditions regarding their operation and behaviour, their dielectric properties and the degrees of protection provided by their enclosures, the test methods intended for confirming that these conditions have been met, and the data to be marked on the apparatus. Applies to industrial two step auto transformer starters rated less than 1000 RV for a.c. induction motors with protection against operating overloads. Includes reduced voltage a.c. starters.
替代本标准的新标准
