PRODUCT DESCRIPTION:ZW20 ZKTD630/12-12.5ZW20 ZKTD630/12-16ZW20
ZKTD630/12-20Main Technical DataRated
voltage
kv12Rated
current A 630 Rated
frequency Hz50Rated
short-time power frequency withstand voltage(1
min)kv 42 Rated lightning impulse withstand
voltagekv 75 Rated short-circuit breaking
current KA12.5/20/16Rated
short-circuit making
current (peak)KA31.5/50/40Rated
operations of short-circuit breaking current
interruptiontimes 30 Rated single capacitor bank breaking
current A400Rated
short-time withstand and currentKA12.5/20/16Rated peak withstand
currentKA31.5/50/40Rated duration of short-circuits4Mechanical
life times10000contact
closing force due to bellows and atmosphereN70±40counterforce at
rated contact forceN120±50circuit resistance at rate contact
forceμΩ≤20shelf lifeyears20Contact erosion limitmm3Weight of moving
partskg≤0.7MECHANICAL DATE FOR MATCHED VACUUM SWITCHGEARrated
contact stroke mm9±1average opening speedm/s1.0±0.25average
closing speedm/s0.65±0.15added contact forceN1600±100contact
bouncing duration at closing operationms≤2contact bouncing bank
amplitude of opening operationmm≤2three-pole
simultaneityms≤11.Vacuum Interrupter Components2> Vacuum
Interrupter Production Equipments3> Different Types Vacuum
Interrupter and Embedded Poles4> Honors5> Vacuum Interrupter
and Embedded Poles Stock6> Company IntroductionIf you need or
want to learn more about products, please feel free to contact me
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