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Delivery Detail:7 days

CJX2-D Magnetic Telemecanique AC Contactor

CJX2 series A.C. contactors are suitable for frequency 50/60Hz,rated insulation voltage up to 10000V,

rated operation current 9~330A under AC-3 is mainly used for making/breaking electric circuits

ata long distance & For frequent starting/stopping & controlling A.C.Motors. lt is used in combiation with

thermal relay to compose a magnetic motor starter, so, The products accords with such standards as

ICE60947-4-1 & GB14048.4.

 Thechnical Data

Rated operational voltage &rated insulation voltage of the contactor see table

Rated workingcurrent (A)AC39121825324050658095
Standardpower ratingsof 3-phasemotors50/60Hz incategory AC-3220/230V2.2345.57.5111518.52225
Rated heat current (A)2020324050608080125125
Electrical lifeAC3 (x104)100100100100808060606060
AC4 (x104)20202020201515151010
Mechanical life (x104)1000100010001000800800800800600600
Number of the contacts3P+NO3P+NC+NO


Rated workingcurrent (A)AC3115150170205245300410475620
Standard powerratings of 3-phase motors50/60Hz incategory AC-3220/230V3040556375100110147200
Rated heat current (A)2002502502753154005007001000
Electrical lifeAC3 (x104)2006060505050303020
AC4 (x104)151515151515885
Mechanical life (x104)300300300300300300300100100100


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Q:How do I distinguish between contactors and circuit breakers?
According to the different structure of the arc can be divided into vacuum contactor and ordinary contactor.
Q:What does the contactor lock mean?
Self-protection is through the stop button to take a power cord connected to the contactor on the open end of the point, open the other end to the contactor coil, s
Q:What about the release device and the contactor and the circuit breaker?
and undervoltage failure can automatically cut off the circuit, its function is equivalent to the fuse switch And a combination of overheat relays and the like.
Q:The Development of Electrical Performance Testing Technology for Contactors
The data processing in the literature mainly focuses on the calculation of power grid frequency and power factor
Q:How does the contactor works
The magnetic field generated by the static core to produce electromagnetic suction suction core, and drive AC contact point action, normally closed contact open, normally open contact closure, the two are linked
Q:Seeking Star Triangle to start the contactor on and off the order and process
In the control circuit, the first branch has a time relay coil KT, when it is energized, the dynamic contact contact will be delayed open
Q:Contactor mainly by the drive system, contact system, arc and other components.
and auxiliary contact is in the control loop to meet the requirements of various control methods
Q:The main classification of contactors
Permanent magnet AC contactor is a kind of micro-power contactor formed by replacing the traditional electromagnet drive mechanism with permanent magnet drive mechanism
Q:What is the power contactor
AC contactor using the main contact to open and close the circuit, with auxiliary contacts to control the implementation of instructions.
Q:With long life, long reliability is the advantages of traditional communication contactor
closing speed faster than the traditional AC contactor, the detection, permanent magnet exchange Contactor closing time is generally less than 20ms, while the traditional contactor closing speed is generally about 60ms

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