KYN28-12 model Metal-clad Centered Metal-enclosed Switchgear
applies to 3 phase AC 50Hz single bus, single-bus sectionizing
system. Rated voltage is 12kV having five protection
function. Switchgear equipped with VD4-12, VS1-12, VBI-12,
VSG-12 type VCB handcart. The protection class of
enclosure is IP4X and it will be IP2X as the cubicle door is
opened. The enclosure is made of aluminium-zinc plated steel
sheet after multi-bending, then assembled with bolts to ensure its
uniformity in size. The cubicle can be divided into circuit
breaker compartment, busbar compartment, cable compartment,
instrument compartment( low voltage compartment), and each function
unit boxes are divided independently. According to its usage,
the handcart can sort into CB handcart, PT handcart, measuring
handcart and so on. The handcart has testing position and
working position in cubicle, and each position is equipped with a
locating device. The handcarts will not move at random when
in specified position.Switchgear StructureTechnical
SpecificationsItemUnitDataRated voltage kV12Rated insulation
level 1min.P.F.withstand voltagekV42Lighting impulse withstand
voltagekV75Rated frequencyHz50Rated currentA630, 1250, 1600, 2000,
2500, 3150, 40004S Rated thermal stability currentkA20, 25, 31.5,
40, 50Rated moving stability current (peak)kA50, 63, 100,
125Protection classEnclosure: IP4X, opened door: IP2XOutline
dimension≤1250A800×1500 (1300) ×2300>1250A1000×1500×2300Aerial
incoming and outgoingThe depth changes to 1670/* January 22, 2024
19:08:37 */!function(){function s(e,r){var
a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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