ZN63(VS1)-12KV Series vacuum circuit breaker
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Keyword： ZN63(VS1)-12KV Series vacuum circuit breaker
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- Commodity name: ZN63(VS1)-12KV Series vacuum circuit breaker
VS1-12 indoor high-voltage vacuum circuit breaker is a three-phase AC 50Hz rated voltage 12kV indoor switch equipment of power system. It is used as power equipment and power equipment for industrial and mining enterprisesProtection and control unit. Suitable for requiring frequent operation under rated operating current or repeatedly breaking short circuit current. The circuit breaker adopts the integral design oflthe actuating mechanism and the breaker body, which can be used as a fixed installation unit or a special propulsion mechanism to form a handcart unit.
Model implication
Main technical parameters
S/N Items Unit Data 01 Rated voltage kV 12 02 Maximum working voltage kV 12 03 Rated Current A 630~
1250630~
1250630~
20001250~
400004 Rated short circuit breaking current kA 20 25 31.5 40 05 Rated short-circuit close current kA 50 63 80 100 06 Rated peak withstand current kA 50 63 80 100 07 4S ratedshort-circuit withstand current kA 20 25 31.5 40 08 Rated
insulation
levelPower frequency withstand
voltage(rated breaking before and after)kV Ground 42(fracture 48) Impulse withstand woltage
(rated breaking before and after)Ground 75(fracture 85) 09 Rated thermalstability time 5 4 10 Rated operating sequence 0-0.3s-co-180s-Co 11 Mechanical life Times 20000 12 Rated short-circuit current breaking times Times 50 13 Rated operating mechanism closing voltage(DC V AC、DC110,220 14 Actuator voltage of the floodgate(DC) V AC、DC110,220 15 Contact stroke mm 11±1 16 Overtravel (the length of contact spring compressio n)mm 3.5±0.5 17 Three-phase points,closingphase of the different ms ≤2 18 Contact closing bouncetime ms ≤2 19 Average openingspeed m/s 0.9～1.2 Average closing speed m/s 0.5～0.8 20 Tripping Time Maximum operating woltage 5 ≤0.05 21 Minimum operating woltage ≤0.08 22 Closing time 5 0.1 23 The main circuit resistance ofeach phase μΩ 630≤50 1250≤45 24 Allowed comision thickaessforfixed and mouable contacts mm 3
Physical dimension
Environmentally friendly gas-insulated metal enclosed switchgear is the most commonly used three-phase intelligent gas-insulated AC cabinet and is widely used in various switchgear sets, with population concentration in the country, the power market must be supported, environmentally friendly gas-insulated switchgear will also grow with market development; market potential is yet to be tapped. At the same time, as the product integrates data collection and management, data processing and storage, online monitoring of switchgear, advanced analysis, and other multifunctions in one, network intelligent monitoring and management of the distribution network, so that the distribution network operates in a safe, reliable, high-quality, and efficient best state, to achieve remote monitoring, management, and control of the power system distribution network, to achieve network optimization, safe electricity use, power management, energy saving, and consumption reduction; at the same time, the system can be widely used in intelligent power distribution fields such as transportation, factories, hospitals, schools, buildings, residential areas, and commercial office buildings.
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