Wuxi Haibang Mechanical & Electrical Manufacturing Co.,Ltd
Wuxi Haibang Mechanical & Electrical Manufacturing Co.,Ltd
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3 Phase 7.2kV Vacuum Contactor - High Voltage Vacuum Contactor, rated voltage 7.2kV, 12kV, rated current 800A, 1000A, 1250A, 1600A, 2000A
General Description:
Hai Bang 3 Phase 7.2kV Vacuum Contactor – Type CKG8 is applicable on AC 50-60Hz power systems, rated voltage 7.2kV and 12kV, rated current 800A, 1000A, 1250A, 1600A, 2000A. This type of 3 Phase 7.2kV Vacuum Contactor is used to directly or remotely connect and disconnect the main circuit , and to control electrical equipment such as non-inductive AC motors and transformers. The altitude of the environment where the 3 Phase 7.2kV Vacuum Contactor is used does not exceed 1000 meters above sea level.
We have another type of 7.2kV(12kV) 3 Phase Vacuum Contactor, whose rated current are 160A, 250A, 400A, 630A. Please refer to the categories for more information.
Types:
CKG8-7.2J/D-800-3.2
CKG8-7.2J/D-1000-10
CKG8-7.2J/D-1250-12.5
CKG8-7.2J/D-1600-12.5
CKG8-7.2J/D-2000-12.5
CKG8-12J/D-800-3.2
CKG8-12J/D-1000-10
CKG8-12J/D-1250-12.5
CKG8-12J/D-1600-12.5
CKG8-12J/D-2000-12.5
Technical Data:
| Name | Unit | Value | |||||
| Main circuit | Rated working voltage (Ue) | kV | 7.2kV | 12kV | |||
| Rated working current (Ie) | A | 800, 1000A, 1250A, 1600A, 2000A | |||||
| Rated frequency (fr) | Hz | 50~60 | |||||
| Rated connecting capacity | A | 4Ie (AC-2) | |||||
| Rated breaking capacity | A | 6Ie (AC-2) | |||||
| Rated short time withstand current | A | 8Ie | |||||
| Rated peak withstand current | A | 15Ie | |||||
| Ultimate breaking capacity | A | 8Ie,3times | |||||
| Rated short circuit duration | s | 2 | |||||
| Power frequency withstand voltage | Wiring terminal to earth | kV | 32 | 42 | |||
| Vacuum breaks | kV | 32 | 42 | ||||
| Lightening impulse withstand voltage | kV | 60 | 75 | ||||
| Control circuit | Rated voltage (Us) | V | AC 110/220/380 | ||||
| DC 110/220 | |||||||
| Rated power (Ps) electric holding | VA | ≤1000/100 (absorbing/holding) | |||||
| Rated power (Ps) mechanical holding | VA | ≤900/600 (Closing/opening) | |||||
| Auxiliary circuit | Form | (3a+2b)~(6a+5b) | |||||
| Rated value | AC 380V/5A, | ||||||
| DC 380V/1A | |||||||
| Control circuit, auxiliary circuit to earth power frequency withstand voltage | kV | 2 | |||||
| Rated operating frequency | Long-term | time/h | 120 | ||||
| Short-term | time/h | 360 | |||||
| Mechanical endurance | 10000 times | 10 | |||||
| Electrical endurance | 10000 times | 25(AC-2) | |||||
| Mechanical characteristics | Closing time | ms | ≤200 | ||||
| 3-phase asynchronous time | ms | ≤3 | |||||
| Original opening time | ms | ≤60 | |||||
| Closing tripping | ms | ≤10 | |||||
| Remark: rated control voltage can be made according to customer’s requirements. | |||||||