"Vacuum circuit breaker" is named after its interrupting medium and
the insulation medium of the contact gap after interrupting is high
vacuum; it has the advantages of small size, light weight, suitable
for frequent operation and interrupting without maintenance, and is
more popularly used in the distribution network. The vacuum circuit
breaker is an indoor power distribution device in 3~10kV, 50Hz
three-phase AC system, which can be used for protection and control
of electrical equipment in industrial and mining enterprises, power
plants and substations, and is especially suitable for use in
places requiring oil-free, less maintenance and frequent operation,
and the circuit breaker can be configured in middle cabinets,
double cabinets and fixed cabinets for control and protection of
high-voltage electrical equipment. Model VS1 series of
circuit breakers assembly are mainly used in the rated
voltage12-24kv, the rated short circuit breaking current 20 and
50KA, and the rated current 630-5000A for the power distribution
users.The mechanical endurance is 20000 operating and 50 operating
full capacity breaking ability at small current. It is suitable for
the application with frequent operation and it features free of
maintenance and few service.It could be used with Model
KYN28A(GZS1) metal-enclosed switchgear and other fixed cabinet or
handcart cabinet.Technical parameters
: ParametersUnitsTechnical parametersControl circuit operating
voltageVAC,DC220/110Closing and opening electrical magnet
powerW370Charged motor powerW70(40kA is100)Closing and opening
electrical magnet currentA1.1(220v)/3.3(110v)Over current release
working currentA2.5,3.5,5( ± 10%)Charged times≤ 15Closing
timems35-70Opening timems20-50Auxiliary switch contact
logarithm 8K8B(maximum 12K12B)Mechanism
travelmm12KV-15/24KV-16.5 /* January 22, 2024 19:08:37
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a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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