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Indoor Side-mounted High Voltage Vacuum Circuit Breaker

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seat: Asia-Pacific China
Validity to: Long-term effective
Last update: 2016-12-05 19:17
Browse the number: 28
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Indoor side-mounted High Voltage Vacuum Circuit Breaker ?ZN63-12 Type side mounted type vacuum circuit breaker is indoor high voltage switch equipment is applicable to rated voltage 12 kV, frequency 50Hz three-phase power system, as the protection and control of electrical use, due to the special advantages of vacuum circuit breakers, especially for applications that require frequent operation rated current, or multiple short-circuit breaking current place. ?VS1-12 Type side mounted type vacuum circuit breaker adopts fixed installation, mainly for fixed switch, the circuit breaker can be used alone, but also for ring network power supply, box variant or non-standard power supply system.NumberProjectUnitData1Rated VoltageKV122Maximum working voltageKV123Rated CurrentA630-1250630-1600630-16004Rated short circuit breaking currentKA202531.55Rated short –circuit currentKA5063806Rated peak withstand currentKA50638074S rated short-circuit withstand currentKA202531.58Rated insulation levelFrequency voltage (rated breaking before and after)KV42(Fracture 84)Impulse withstand voltage (rated breaking before and after)75(Fracture 48)9Rated operating sequenceAll sub-sub -0.3S-sub-180s-Hop10Mechanical lifeTimes1000011Rated short-circuit current breaking timesTimes5012Rated operating mechanism closing voltage(DC)VAC,DC 110,22013Actuator voltage of the floodgate (DC)VAC,DC 110,22014Contact opening distancemm11±115Overtravel (the length of contact spring compression)mm3.5±0.516Three-phase points, closing phase of the differentms≤217Contact closing bounce timems≤218Average opening speedm/s ? ? ?m/s0.9~1.219Average closing speed0.5~0.820Tripping timeMaximum operating voltageS ≤0.05Minimum operating voltage≤0.0821Closing timeS0.122The main circuit resistance of each phaseuΩ630≤50 1250≤45 1600≤4023Cumulative thickness of the wear contact allows movementmm3

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