This series of products is suitable for power systems with AC 50~60Hz, main circuit rated voltage 7.2kV, 12kV, and rated current 160A, 250A, 400A, 630A respectively, for direct or long-distance connection and disconnection of the main circuit and frequent control Capacitive loads, AC motors, transformers and other electrical equipment. It is used in reactive power compensation of power grid, chemical industry, metallurgy, water supply and drainage treatment, coal mine underground equipment and other occasions. The product is used at an altitude of no more than 1000 meters.
1. Product Introduction This series of products is suitable for power systems with AC 50~60Hz, main circuit rated voltage 7.2kV, 12kV, and rated current 160A, 250A, 400A, 630A respectively, for direct or long-distance connection and disconnection of the main circuit and frequent control Capacitive loads, AC motors, transformers and other electrical equipment. It is used in reactive power compensation of power grid, chemical industry, metallurgy, water supply and drainage treatment, coal mine underground equipment and other occasions. The product is used at an altitude of no more than 1000 meters. | |
| 2. Main technical parametersThe main circuitRated working voltage (Ue)kV7.212Rated operating current (Ie)A160, 250, 400, 630Rated frequency (fr)Hz50~60Rated making capacityA10 IeRated breaking capacityA8 IcUltimate breaking capacity10 IeRated short-time withstand currentA10 IeRated peak withstand currentA25 IeRated short circuit durations4Power frequency attached voltageAlternately, relativelykV3242vacuum fracturekV3242Lightning impulse withstand voltagekV6075Control circuitRated voltage1 ( Us)INAC or DC 110/220Rated power (Ps)electric holdAND≤1000/100 (pull in/hold)mechanical holdAND≤900/600 (closing/opening)auxiliary circuitformThree openings and three closings to six openings and six closingsrated valueAC220V/5APower frequency withstand voltage of control circuit and auxiliary circuit to groundkV2Rated operating frequencylong-term or mechanically maintainedtimes/h120short termtimes/h360Mechanical Life 2Ten thousand times30Electrical lifeTen thousand times25 (AC-3)、10 (AC-4)mechanical propertiesClosing timems≤150Intrinsic opening timems≤60 (machine) 150 (electricity)Three phases out of phasems≤3Closing bouncems≤4Note: 1. The rated control voltage can also be customized according to user needs. 2. For the mechanical holding type, the locking device needs to be replaced every 100,000 times. | |
