GENERAL
ST2 Series AC Contactor is suitable for using in the circuits the rated voltage up to 660V AC 50Hz or 60Hz, rated current up to 95A, for making & breaking, frequently starting & controlling the AC motor. Combined with the auxiliary contact block, timer delay & machine- interlocking device etc, it becomes the delay contactor, mechanical interlocking contactor, star-delta starter. With the thermal relay, it is combined into the electromagnetic starter. The Contactor is produced according to IEC 60947-1.Specifications
| Type | ST2-09 | ST2-12 | ST2-18 | ST2-25 | ST2-32 | ST2-40 | ST2-50 | ST2-65 | ST2-80 | ST2-95 | |
| Rated working current (A) | AC3 | 9 | 12 | 18 | 25 | 32 | 40 | 50 | 65 | 80 | 95 |
| AC4 | 3.5 | 5 | 7.7 | 8.5 | 12 | 18.5 | 24 | 28 | 37 | 44 | |
| Standard power ratingsof 3-phase motors 50/60Hz in category AC-3 | 220/230V | 2.2 | 3 | 4 | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 | 25 |
| 380/400V | 4 | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 | 30 | 37 | 45 | |
| 415V | 4 | 5.5 | 9 | 11 | 15 | 22 | 25 | 37 | 45 | 45 | |
| 500V | 5.5 | 7.5 | 10 | 15 | 18.5 | 22 | 30 | 37 | 55 | 55 | |
| 660/690V | 5.5 | 7.5 | 10 | 15 | 18.5 | 30 | 33 | 37 | 45 | 55 | |
| Rated heat current (A) | 20 | 20 | 32 | 40 | 50 | 60 | 80 | 80 | 125 | 125 | |
| Electrical life | AC3 (x104) | 100 | 100 | 100 | 100 | 80 | 80 | 60 | 60 | 60 | 60 |
| AC4 (x104) | 20 | 20 | 20 | 20 | 20 | 15 | 15 | 15 | 10 | 10 | |
| Mechanical life (x104) | 1000 | 1000 | 1000 | 1000 | 800 | 800 | 800 | 800 | 600 | 600 | |
| Number of the contacts | 3P+NO | 3P+NC+NO | |||||||||
| 3P+NC | |||||||||||




Our Services:- Competitive price
- Continuance Service and support
- Good-after service
- Quality Reliability and Long Product Life.
Q 1. what's the payment term?
A. We accept TT,30% deposit and 70% balance agaisnt copy of BL
Q 2. how's the delivery time ?
A. usually it will take about 25 days for production
Q 3. tell me the standard of package?
A. Normally are cartons, but also we can pack it according to your requirement.
Q 4.Would you accept to use our logo ?
A.If you have good quantity,it absolute no problem to do OEM.
Q5. Can i take some samples?
A: Yes, we support to take samples before place the order. Just feel free to contact with us if you have any requirements.
Q6. Are you original Factory?
A: Yes, we have our own factory .
Q7. How can you make sure the quality of the products?
A: We will accord to international quality standards to inspect every item before leaving our factory.
If you have more questions, please contact us at any time:








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