CKG4 7.2KV 11KV 12KV 3Pole 3 Phase Vacuum Contactor 400A 630A 800A
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- Supplier: Boerstn Electric Co. Ltd.
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Product Overview
Description
Description
| 1.1 (BR)CKG3/4-7.2 AC vacuum contactors (hereinafter referred to as: contactor) are applied in power network with AC frequency of 50Hz-60Hz, rated voltage of 7.2kV, and rated current below 630A in the main loop for the remote making and breaking, frequent start and control of AC motor. It is advisable to use them in combination with fuse and protective device to replace vacuum circuit breaker. 2. Ambient Conditions for Use 2.1 Ambient air temperature is neither higher than +40℃ nor lower than -10℃; 2.2 Altitude of installation site does not exceed 1000m; 2.3 The maximum mean monthly relative air humidity is 90% in the wettest month. The minimum mean monthly temperature is 25℃, with consideration of condensation generated on the surface of product due to temperature change. 2.4 The operating condition shall be free from obvious impact and vibration; 2.5 The medium is without explosion danger, and in the medium there is no gas and dust (including conductive dust) sufficient for corroding metal and destroying insulator. 2.6 The operating condition shall be free from rain and snow. |
Model:
1. High-voltage AC vaccum contactor
2. Designed code
3. Rated voltage(kV)
4. Latching mode:J—machanical latch; D—electrical latch
5. G—high altitude; Y—movable type; None—basic type
6. Rated current(A)
7. Rated short-time withstand current(kA)
8. Vaccum shell materials: T—ceramic
Technical Data
Installation drawing
About us
“BOERSTN ELECTRIC" is engaged in manufacturing,development,service ,solution,maintenance & marketing of H.V./L.V. power distribution equipments,switchgears,transformers,substations..etc .for all over the world. As a leading & professional manufacturer in China,we mainly manufacture below items and supply their electrical accessories:
- H.V.& L.V.switchgears
- Power Distribution Board (PDB)
- M.V solid insulated switchgears (SIS)
- compact substations /Package substation/kiosk substation
- single phase & three phase pad mounted transformers(PMT)
- Gas insulated switchgears(GIS)
- Cable Brach box
- Ring main units (RMU)
- Oil-immersed transformers and dry type transformers
- contactors and circuit breakers
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