PRODUCT DESCRIPTION:ZKTD1250/12-31.5ZKTD1600/12-31.5 Main
Technical DataRated
voltage
kv12Rated
current A 1600/1250 Rated
frequency Hz50Rated
short-time power frequency withstand voltage(1
min)kv 48 Rated lightning impulse withstand
voltagekv 85 Rated short-circuit breaking
current KA31.5Rated
short-circuit making
current (peak)KA80Rated
operations of short-circuit breaking current
interruptiontimes 30 Rated single capacitor bank breaking
current A630Rated
short-time withstand and currentKA31.5Rated peak withstand
currentKA80Rated duration of short-circuits4Mechanical
life times20000contact
closing force due to bellows and atmosphereN120±50counterforce at
rated contact forceN190±60circuit resistance at rate contact
forceμΩ≤20shelf lifeyears20Contact erosion limitmm3Weight of moving
partskg≤1.5MECHANICAL DATE FOR MATCHED VACUUM SWITCHGEARrated
contact stroke mm9±1average opening speedm/s1.0±0.25average
closing speedm/s0.65±0.15added contact forceN3150±200contact
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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