| Type: | Power |
|---|---|
| Structure: | Open Frame |
| Certification: | ISO9001:2000 |
| Form: | as Specification |
| Operation Voltage: | Low Voltage |
| Size: | as Specification |
| Samples: |
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| Customization: |
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This series of contactors, manufactured by Yueqing Liyond Electric Co., Ltd., utilizes vacuum switch tubes as arc extinguishing components. These contactors offer the following key features:
They are designed for use in AC power networks with a frequency of 50/60 Hz and a rated operating voltage of 1140 volts. These contactors are suitable for connecting and disconnecting circuits and can be paired with thermal relays, electronic protection devices, and other related protection devices to form an electromagnetic starter. They are particularly well-suited for creating explosive electromagnetic starters and various power control panels. Ideal for industries such as coal, petroleum, chemical, metallurgy, machinery, transportation, and power.
| 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 | |||||
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