CJ20 ac contactor

CJ20 series AC contactor is used in 50Hz (or 60Hz), rated voltage to 660V (individual grades to 1140V), 660A power system. For connecting and disconnecting circuit and frequent starting and control AC motors, Together with thermal relay or electronic devices become magnetic starter for protection overload circuit. Contactor confirmed with GB 14048.4 and IEC-4 related standards. Main technical data: 1.The rated voltage and current for contactor ,please see table 1. 3.1.2 rated work systems contactor is suitable for the following work system. 2.Eight hours work systems 3.Non-stop run system 4.Off and on the cyclical work system contact device under this work system load factor is 40%, according to the operating frequency division rank is: CJ2010 the Cj201601200 level (namely 1,200/hours)Cj20250 the Cj20630600 level (namely 600/hours) (see Table 2) under the different voltage and the different use ategory operating frequency. 5.Short-term operation system standard value for contact circulartelegram time 10, 30, 60, 90min. 6.The contact device is suitablethe use category see Table 2, AC3 is the basic use category.