CJX8 series AC contactor(hereinafter referred to as contactor)is mainly used in the electric power system of AC 50Hz or 60Hz, voltage up to 660v, current 9 475 A for long distance making and breaking circuit. It also can be used for frequently controlling AC motor and formed into electromagnetic starter with thermal relay or electronic protector for protecting the circuit from the problem overload.
Model and meaning
Main technical parameter
Table 1 for power and rated operation current of controllable 3-phase AC motor of contactor
Conventional thermal current ith(A)
Rated operation current le(A)
AC-3 control power Pe(KW)
Table 2 for configuration and parameter of auxiliary contact
Distribution auxiliary contact type
Auxiliary contact combined type
Conventional thermal current Ith(A)
Rated insulating voltage Ui(V)
Note: auxiliary contact group can formed different combined type. It can be formed four NO and four NC at the most
Table 3 for mechanical durability and electric durability times under AC-3 use category
Action characteristic: Contactor should reliably close in (85%-110%) and the releasing voltage should be no more than 75% Us, no less than 20% Us (AC) or 10% Us
Installation and Dimensions
● The contactor can installed with screw (added washer and spring washer)
● The CJX8-9~30 contactor can use 35mm rail installation
● Table 4 for the installation and contour dimensions of CJX8
● 35EN50022 the installation rail conforms to Europe standard
Type and specification
CJX8-9. 12. 16
Type and specification
CJX8-37 . 45
CJX8-66 . 85
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