| Customization: | Available |
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| Electricity Type: | AC |
| Number of Pole: | 3 |
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The Mining Equipment 1.14kv 1000A 1250A High-Performance Vacuum Contactor is designed for use in AC 50Hz power networks with a main circuit rated voltage of 1140V. It is suitable for making, breaking, frequently starting, and controlling AC motors, and can be used to form a magnetic starter with a variety of protectors, including JDB electronic integrated protection, JR9 type over current protection devices, and the RC absorption device. This vacuum contactor is particularly well-suited for use in anti-explosion magnetic starters and large mineral lapping switch equipment.
a. Environment temperature: -5ºC~+40ºC, and the average value is no more than +35ºC within 24 hours.
b. Altitude: no more than 1000m.
| Item | Unit | CKJ-5-1000~1250/1.14 | |
| Main circuit rated voltage | kV | 1.14 | |
| Main circuit rated current | A | 1000 | 1250 |
| Main circuit making capacity | A/100times | 6000 | |
| Main circuit breaking capacity | A/100times | 4500 | |
| Limit breaking capacity | A/3times | 5000 | |
| Electrical life AC3 | times | 600,000 | |
| Electrical life AC4 | times | 60,000 | |
| Mechanical life time | times | 1,000,000 | |
| Rated operating frequency AC3 | times/h | 600 | |
| Rated operating frequency AC4 | times/h | 120 | |
| Short-time operating frequency(20s) | times/h | 1000 | |
| Clearance between open contacts | mm | 2.8±0.1 | |
| Over travel | mm | 1.0±0.1 | |
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