A06B-6100-H003 FANUC 常开触头

GE DS200CDBAG1BBB
ABB PPC380AE01
GE IS200EAUXH1A
A-B 1756-L73S
TRICONEX 3625
TRICONEX 3008
TRICONEX 3805E
ABB PP836
Reliance 805405-1R
SIEMENS 6SE7022-1EP60-Z G91
A-B 1756-L63
A-B 1756-L63
A-B 1756-L63
A-B 1756-L63

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Description

当SQ2接通KM回路时,KM的主触头闭合的同时,与SQ2并联的一对常开触头也闭合了,等到撞块离开SQ2而使SQ2I常开断开时,KM线圈也不会失电,而继续保持得电状态,用接触器自己的动作来保持其得电状态的功能称自保(或自锁),该常开触头叫自保(或自锁)触头。

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