| Customization: | Available |
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| Limit Breaking Capacity: | 5000A/3times |
| Short-Time Operating Frequency(20s): | 1000times/H |
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This series of vacuum contactors are designed for use in AC 50Hz power networks with a main circuit rated voltage of 1140V and a rated current of 1000A-1250A. It is ideal 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 RC absorption devices. This contactor is particularly suitable for use in anti-explosion magnetic starters and large mineral lapping switch equipment.
The contactor is compliant with GB/T 14048.4, IEC 60947-4-1, and JB/T 7122 standards, and its main performance indicators have reached international levels. This 1.14kv 1000A 1250A LV Vacuum Contactor for Capacitor Cabinet is a reliable and efficient solution for your contactor needs.
a. Environment temperature: -5ºC~+40ºC, and the average value is no more than +35ºC within 24 hours.
b. Altitude: no more than 1000m.
c. Atmospheric conditions: monthly highest humidity in the wettest month is no more than 90% and the monthly average minimum temperature
shall be 25ºC. Condensation on the products due to temperature changes shall be considered.
d. Impact vibration: The place is without extensive shaking, impact, and vibration.
e. The place is without explosion hazards, enchant gas, and sleet.
f. No rain and snow in places
g. Pollution degree: Three grade
h. Installation type: III
i. Installation condition: The slant angle between the installation surface and the vertical surface is no more than 15°.
| 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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