What Is CJX2 Series AC Contactor？
ZHIMINGbrand of the CJX2 series AC contactor is suitable for AC power systems operating at 50Hz or 60Hz, with a rated insulation voltage up to 690V. Under the AC-3 utilization category, it supports a rated operating voltage of up to 380V and a rated operating current of up to 620A.
It is primarily used for remote making and breaking of circuits, as well as for frequent starting and control of AC motors. When combined with a thermal overload relay or electronic protection device, the contactor can be assembled into an electromagnetic starter, providing reliable protection against circuit overloads.
Specification & Dimensions
| Type | A Max | B Max | C Max | G | H |
|---|---|---|---|---|---|
| CJX2-115/152/170 | 158 | 120 | 132 | 90/110 | 130 |
| CJX2-185/205 | 170 | 174 | 185 | 80 | 110/120 |
| CJX2-225/245 | 170 | 198 | 185 | 80 | 110/120 |
| CJX2-300/330 | 213 | 206 | 219 | 96 | 110/120 |
| CJX2-410 | 213 | 206 | 219 | 80 | 170/180 |
| CJX2-475 | 233 | 238 | 232 | 80 | 170/180 |
| CJX2-620/630 | 309 | 304 | 255 | 181 | 180/190 |
Main Technical Data of the CJX2 Series AC Contactor
Note: Other special specification models are supplied according to user requirements
| Type | CJX2-09 | CJX2-12 | CJX2-18 | CJX2-25 | CJX2-32 | CJX2-40 | CJX2-50 | CJX2-65 | CJX2-80 | CJX2-95 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rated Working current (A) | 380V | AC-3 | 9 | 12 | 18 | 25 | 32 | 40 | 50 | 65 | 80 | 95 |
| AC-4 | 3.5 | 5 | 7.7 | 8.5 | 12 | 18.5 | 24 | 28 | 37 | 44 | ||
| 660V | AC-3 | 6.6 | 8.9 | 12 | 18 | 21 | 34 | 39 | 42 | 49 | 55 | |
| AC-4 | 1.5 | 2 | 3.8 | 4.4 | 7.5 | 9 | 12 | 14 | 17.3 | 21.3 | ||
| Conventional Thermal current (A) | 20 | 20 | 32 | 40 | 50 | 60 | 80 | 80 | 95 | 95 | ||
| AC-3 kW Power of controllable three-phase squirrel cage motor AC-3 (kW) | 220V | 2.2 | 3 | 4 | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 | 25 | |
| 380V | 4 | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 | 30 | 37 | 45 | ||
| 660V | 5.5 | 7.5 | 9 | 15 | 18.5 | 30 | 33 | 37 | 45 | 55 | ||
| Operating frequency | Electrical life | AC-3 | 1200 | 600 | ||||||||
| AC-4 | 300 | |||||||||||
| Mechanical life | 3600 | |||||||||||
| Electrical life | AC-3 | 100 | 80 | 60 | ||||||||
| AC-4 | 20 | 15 | 10 | |||||||||
| Mechanical life | 1000 | 800 | 600 | |||||||||
| Fuse model | RT16-20 | RT16-20 | RT16-32 | RT16-32 | RT16-50 | RT16-63 | RT16-80 | RT16-80 | RT16-100 | RT16-125 | ||
| Conform to standard | B/T14048.1 GB/T14048.4 IEC 60947-4-1 | |||||||||||
Why Choose ZHIMING's CJX2 Series AC Contactor?
Broad Voltage & Frequency Compatibility
This AC contactor is optimized for 50Hz/60Hz AC systems, with a rated insulation voltage up to 690V. Under AC-3 utilization category, it supports a maximum rated operating voltage of 380V and rated operating current of 620A, adapting flexibly to diverse power grid requirements.
Precise Core Control Capabilities
Designed primarily for remote circuit making/breaking, as well as frequent starting and control of AC motors, this AC contactor delivers stable, responsive performance to meet critical industrial control needs.
Flexible Protection Expansion
When paired with a thermal overload relay or electronic protection device, this AC contactor can be assembled into an electromagnetic starter—providing reliable overload protection for circuits and connected equipment.
Global Standard Compliance
This AC contactor meets strict international and domestic standards (GB/T 14048.1, GB/T 14048.4, IEC 60947-4-1), ensuring consistent quality, safety, and compatibility with global industrial specifications.
High-Rated Parameter Advantages
Boasting a high rated insulation voltage (690V) and large rated operating current (up to 620A under AC-3), this AC contactor reliably supports heavy-load operations with long-term stability.
FAQ
What are the rated specifications of the CJX2 AC contactor?
The CJX2 AC contactor operates at 50Hz/60Hz with rated insulation voltage up to 690V, operating voltage up to 380V, and operating current up to 620A under AC-3 category.
What are the main applications of this AC contactor?
This AC contactor is primarily used for remote circuit making/breaking and frequent starting and control of AC motors.
How can the AC contactor provide overload protection?
When combined with a thermal overload relay or electronic protection device, the AC contactor forms an electromagnetic starter that provides reliable overload protection.
What standards does the CJX2 AC contactor comply with?
The CJX2 AC contactor complies with GB/T 14048.1, GB/T 14048.4, and IEC 60947-4-1 standards.
What utilization category is this AC contactor rated for?
This AC contactor is rated for AC-3 utilization category, suitable for motor starting and stopping applications.
