CJT1 AC Contactor from China Suppliers | 50Hz, Up to 690V, Factory Direct Electric Power Solutions
Type and meaning
Normal working conditions and installation conditions
- The altitude of the installation site should not exceed 2000m;
- The ambient air temperature should not be higher than +40℃ and not be lower than -5℃.
- When the highest temperature is +40℃, the relative humidity of the air on the installation site should not be higher than 50%: A higher relative humidity is allowed at a lower temperature.: in the wettest month, the monthly average minimum temperature should not exceed +20℃, and the average maximum relative humidity should not exceed 90%. Measures should be taken for condensation on the product due to temperature change;
- The inclination between the installation surface and the vertical plane should not exceed ± 5°.
- Pollution level: level 3;
- The product should be installed in a place without obvious shaking, impact and vibration.
Structural features of the product
CJT1 series AC contactor (hereinafter referred to as the contactor) is a new CJ10 product which is improved and designed on the basis of the original CJ10 series AC contactor. It can replace the obsolete CJ10 series AC contactor. With same outline and installation dimension as the original CJ10 system, the contactor has the greatly improved contact and arc extinguishing system so that its highest rated working voltage is increased from 380V to 690v; it has a DMC plastic arc extinguishing chamber replacing the clay one and is provided with the arc extinguishing piece; it is provided a improved contact structure, which improves the arc extinguishing performance, prolongs the contact life, reduces the flash over distance and the product weight and eliminates the problem that the clay chamber is damaged easily.
Main parameters and technical performance
For the basic parameters of the main circuit of the contactor, please refer to Table 1.
The sucking coil of the contactor can work normally within the range of 85% ~ 110% of its rated control power supply voltage Us.
| Product type | CJT1-10 | CJT1-20 | CJT1-40 | CJT1-60 | CJT1-100 | CJT1-150 |
|---|---|---|---|---|---|---|
| Rated insulation voltage and working voltage V | 380V | |||||
| Rated working current (AC-1-AC-4, 380V) | 10 | 20 | 40 | 60 | 100 | 150 |
| Control power kw | 2.2 | 5.8 | 11 | 17 | 28 | 43 |
| 4 | 10 | 20 | 30 | 50 | 75 | |
| Number of operating cycles per hour times/h | AC-1, AC-3 is 600; AC-2, AC-4 is 300; CJT1-150 AC-4 is 120 | |||||
| Electrical endurance 10,000 times | 60 | |||||
| 2 | 1 | 0.6 | ||||
| Mechanical endurance 10,000 times | Normally open and normally closed 300 | |||||
| Auxiliary contact | 2 Normally Open 2 Normally Closed AC - 15 360VA: DC - 13 60W Ith: 5A | |||||
| Matched fuse | RT16-20 | RT16-50 | RT16-80 | RT16-160 | RT16-250 | RT16-315 |
| Coil power consumption VA | 65 | 140 | 230 | 485 | 760 | 950 |
| 11 | 22 | 32 | 95 | 105 | 110 | |
Outline and installation dimensions
For the outline and installation dimensions of the contactor, please refer to Figs.1, 2 and 3 and Table 2.
The contactor is fixed and installed on a vertical plane with 3 screws, and its inclination should not exceed ±5°.
