General descriptionGet ready to experience the power of the
ZN63(VS1)1-12 indoor M.V.! This indoor switchgear is perfect for
industrial and mining enterprises, power plants, substations, and
electrical facilities. With a tri-phase AC 50Hz and a rated voltage
of 12kV, this switchgear is designed for frequent operation and
offers control and protection like no other. The VET operating
mechanism and circuit breaker integrated design make this
switchgear a fixed installation unit that can also be equipped with
special advance mechanisms. The handcart unit used in the
composition of this switchgear can use the whole solid seal post
with high reliability and is maintenance-free. Plus, it's designed
to achieve a smaller circuit breaker, making it even more
efficient. For those looking for even more options, the ZN63
can be used with the fixed XGN switchgear or equipped with the
KYN2BA 12(GZS) and other handcart switch cabinets. And if you're
wondering about the difference between the ZN63 and ZN83
mechanisms, don't worry! All ZN83 mechanisms can be replaced by
ZN63 mechanisms, making them universal mechanisms. So, if
you're looking for a powerful and reliable indoor vacuum circuit
breaker, look no further than the ZN63(VS1)1-12.Main technical
parameter ItemUnitDateRated voltagekV12Rated
frequencyHz50Rated insulation level1min power frequency withstand
voltagepole to earthkV42phasekV48lightning impulse withstand
voltagepole to earthkV75phasekV85Power frequency withstand voltage
of secondary circuitV2000Rated
current(1)A6306306302000125025001600315012501250125025001600315020004000 160031502000400025005000Rated
short-circuit breaking currentkA202531.54050Rated short-time
withstand currentkA202531.54050Rated short circuit durations4Rated
peak withstand currentkA506380100125Rated short-circuit making
currentkA506380100125Rated short-circuit current breaking time
(class E2)times30Rated single/back to back capacitor bank breaking
currentA630/400800/400Clearance between open contactsmm11±1Contact
strokemm3~4Allowable wear thickness of contactmm3Average opening
speedm/s0.9~1.4Average closing speedm/s0.5~1.0Contact closing
bounce timems≤2Different phase of contact closing and
openingms≤2Rebound amplitude of opening contactmm≤2Opening time
(rated voltage)ms20~50Closing time (rated voltage)ms30~70Mechanical
life (M2)times10,000(20,000)Rated operating voltageVAC110/220
DC110/220 Rated operation
sequence 0-0.3s-CO-180s-CO (1) It is forced cold air when
rated current is
4000AFor more switchgear parts, pls refer to insulation parts: https://china-vacem.en.made-in-china.com/product-group/BbRAnYUjsLrW/Insulation-Accessories-catalog-1.html,
or copper tulip contact:
https://china-vacem.en.made-in-china.com/product-group/nbUGDIpPuLYM/Tulip-contact-series-1.htmlInternational
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