DONG GUAN QIAN SHENG FIRST CLASS CJ40 CONTRACTOR

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Packaging Details:carton package
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 duty.lt 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

TypeCJX2-D09CJX2-D12CJX2-D18CJX2-D25CJX2-D32CJX2-D40CJX2-D50CJX2-D65CJX2-D80CJX2-D95
Rated workingcurrent (A)AC39121825324050658095
AC43.557.78.51218.524283744
Standardpower ratingsof 3-phasemotors50/60Hz incategory AC-3220/230V2.2345.57.5111518.52225
380/400V45.57.5111518.522303745
415V45.5911152225374545
500V5.57.5101518.52230375555
660/690V5.57.5101518.53033374555
Rated heat current (A)2020324050608080125125
Electrical lifeAC3 (x104)100100100100808060606060
AC4 (x104)20202020201515151010
Mechanical life (x104)1000100010001000800800800800600600
Number of the contacts3P+NO3P+NC+NO

 

TypeCJX2-D115CJX2-D150CJX2-D170CJX2-D205CJX2-D245CJX2-D300CJX2-D410CJX2-D475CJX2-D620
Rated workingcurrent (A)AC3115150170205245300410475620
AC452607585105117138147180
Standard powerratings of 3-phase motors50/60Hz incategory AC-3220/230V3040556375100110147200
380/400V557590110132160220265335
415V5980100110132180220280375
500V7590110129160200250355400
660/690V80100110129160220280355450
Rated heat current (A)2002502502753154005007001000
Electrical lifeAC3 (x104)2006060505050303020
AC4 (x104)151515151515885
Mechanical life (x104)300300300300300300300100100100

 

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Q:What about the release device and the contactor and the circuit breaker?
Circuit breaker according to its use is divided into high-voltage circuit breakers and low-voltage circuit breakers, high and low voltage line is more vague, generally more than 3kV called high-voltage electrical appliances.
Q:Various types of contactors are classified
his hybrid contactor uses the traditional DC contactor in the closed conduction state contact contact resistance is small, the conduction pressure drop is small, will be anti-parallel thyristor and control module unit composed of non-contact switch in parallel with the traditional DC Contactor contacts.
Q:The computer as a host computer
The experimental scheme is simple and feasible, and it can realize the analysis of the contact voltage and current waveform during the dynamic contact and breaking of the AC contactor.
Q:What is the noise-free function of traditional contactors?
so that static and dynamic silicon steel plate pull, when the grid voltage or dynamic silicon steel surface is uneven or dust, foreign objects, etc
Q:What are the classification of contactors?
DC current compared with the AC current, there is no periodic current value of the zero-crossing point, so the traditional contactor breaking circuit, the contact between the arc is more intense
Q:The working principle of permanent magnet AC contactor
then issued a reverse pulse current to achieve low voltage delay release or power delay release the purpose of the motor
Q:What is the difference between the auxiliary system 01 and 10 of the AC contactor?
The contactor is typically composed of a main contact and an auxiliary contact. The main contact is mainly used to take power, the current is relatively large; auxiliary contacts mainly from some control, alarm and other functions, the current is relatively small.
Q:Dynamic Measurement Technology of Contactors and Comprehensive Evaluation Method
AC contactor dynamic test device to DSP as the core, build a variety of signal sensors, through the RS232 and the host computer for data communication.
Q:What is the effect of the contactor coil parallel capacitor?
Since the coil of the contactor is an inductor, the dt is very small due to the fact that the dt is very small at the external contact, so the Lx di / dt is very large and the coil produces a very high reverse electromotive force, which causes the contact of the off- Large arc
Q:What does the contactor lock mean?
so after the start of the contactor point closure point, the coil can stop from the button Get the power, so that the formation of a self-preservation circuit.

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