Built to withstand the rigors of factory floors and heavy machinery, the series of Industrial AC Contactors represents a class of rugged and dependable switching devices. These product are engineered for use in alternating current circuits with a frequency of 50Hz and a rated operational voltage up to 660V, capable of handling high currents up to 95A (3-phase ≤440V). Their fundamental application is the remote connection and disconnection of power circuits in industrial settings. A key strength of these Industrial AC Contactors lies in their suitability for the frequent and often demanding control of AC motors, which are ubiquitous in industrial processes. When configured for utilization category AC-4 (with appropriate current derating), they can also execute rigorous operations like plugging and reversing of squirrel-cage motors. To fortify industrial systems against faults, these Industrial AC Contactors are designed for easy integration with thermal overload relays, creating a protective combo that disconnects power in case of sustained overload conditions, preventing costly downtime and equipment damage. The robust construction of an Industrial AC Contactor is complemented by requiring installation within these parameters: a) Ambient air temperature: -5°C to +40°C, 24h average ≤+35°C. b) Altitude: ≤2000m. c) Humidity: ≤50% relative humidity at +40°C; wettest month averages: minimum temp ≤+25°C, maximum humidity ≤90%. d) Pollution degree: 3. e) Installation category: III. f) Environment: Must be free from significant shaking, impact, or vibration. g) Mounting: Surface inclination ≤5° from vertical. Designed for endurance and consistent performance, the Industrial AC Contactor series is the go-to choice for engineers seeking a tough and reliable switching solution for critical industrial applications.
Internal Connections and Terminal Markings


External shape and installation dimensions
|
Contactor Model |
Auxiliary Contact |
Normally Open (NO) |
Normally Closed (NC) |
|||
|
CJX2-9511 |
11 |
1 |
1 |
|||
|
Rated operating currentIe |
AC3 |
95A |
||||
|
380V |
AC4 |
44A |
||||
|
Conventional heating current IthA |
125A |
|||||
|
Controllable three-phase squirrel-cage motor powerP kW AC3 |
220V |
25 |
||||
|
380V |
45 |
|||||
|
660V |
45 |
|||||
|
Rated insulation voltage UiV |
690V |
|||||
|
Operating frequency1/h |
Electrical life |
AC3 |
600 |
|||
|
AC4 |
300 |
|||||
|
Mechanical life |
3600 |
|||||
|
Electrical life |
AC3 |
600000times | ||||
|
AC4 |
100000times | |||||
|
Mechanical life |
6000000times | |||||
|
Coil |
Operating voltageUs 50Hz V |
36/110/127/220/380 |
||||
|
range of motion |
0.85~1.1Us |
|||||
|
Power ConsumptionVA(50Hz) |
Start |
200 |
||||
|
Absorption |
20 |
|||||
|
Auxiliary contact for heating current AC15 |
10A |
|||||
|
weight |
about1.35Kg |
|||||
|
A max |
B max |
C max |
a |
b |
Φ |
Install (Image 2) |
|
87 |
128 |
127 |
40 |
100/110 |
6.5 |
Install using M6 screws and lock washers, or use 35mm or 75mm mounting rails. |
|
Auxiliary Contact Assembly Model |
Auxiliary Contact |
Quantity |
|
|
Normally Open (NO) |
Normally Closed (NC) |
||
|
F4 |
11 |
1 |
1 |
|
20 |
2 |
- |
|
|
02 |
- |
2 |
|
|
22 |
2 |
2 |
|
|
40 |
4 |
- |
|
|
04 |
- |
4 |
|
|
31 |
3 |
1 |
|
|
13 |
1 |
3 |
|
Qualification














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