Product Description
This series of contactors from Yueqing Liyond Electric Co., Ltd. utilize vacuum switch tubes as arc extinguishing components, offering key features such as arc flash prevention, long lifespan, noise-free operation, compact size, and high reliability. Suitable for AC 50/60 Hz power networks with a rated operating voltage of 1140 volts, these contactors are designed to efficiently connect and disconnect circuits. They can be paired with thermal relays or electronic protection devices to create electromagnetic starters and integrate with various protection systems. Ideal for applications in coal, petroleum, chemical, metallurgy, machinery, transportation, and power industries, these contactors are particularly well-suited for explosive electromagnetic starters and power control panels.
Technical parameters
| Main circuit rated voltage |
kV |
1.14 |
| Main circuit rated current |
A |
80 |
125 |
160 |
250 |
400 |
630 |
| Main circuit making capacity |
A/100times |
800 |
1250 |
1600 |
2500 |
4000 |
6300 |
| Main circuit breaking capacity |
A/100times |
1000 |
1000 |
1000 |
2000 |
3200 |
4800 |
| Electrical life AC3 |
Ten-thousand times |
60 |
| Electrical life AC4 |
Ten-thousand times |
6 |
| Mechanical life time |
Ten-thousand times |
300 |
| Rated operating frequency AC3 |
times/h |
600 |
| Rated operating frequency AC4 |
times/h |
120 |
| Short-time operatin |
times/h |
2000 |
| Clearance between open contacts |
mm |
1.8±0.1 |
2.0±0.1 |
| Over travel |
mm |
1.0±0.1 |
1.0±0.1 |
1.0±0.1 |
| Contact circuit P/F. withstand voltage |
kV |
2 |
| Closing time |
ms |
≤100 |
| Opening time |
ms |
≤80 |
Audited Supplier 
){kind=link}
){kind=link}