GENERALZN63S (VS1) - 12 series indoor high-voltage vacuum circuit
breakers (hereinafter referred to as "circuit breakers") are indoor
high-voltage switchgear with a rated voltage of 12kV and
three-phase AC 50Hz. They are used as protection and control units
for power grid equipment and power equipment of industrial and
mining enterprises. It is applicable to places requiring frequent
operation under rated working current or breaking short-circuit
current many times.The circuit breaker complies with technical
standards such as GB / T1984 - 2003 and DL / T402 - 2007.MODEL
DESCRIPTIONZ: Vacuum Circuit BreakerN:
Indoor63: Design Serial NumberS:
Three Phase12: Rated VoltageFUNCTIONAL FEATURES☆
High service life: the mechanical life is 30000 times, the number
of full capacity short-circuit current interruptions are 50 times,
and frequent operation or multiple circuit current interruptions
can be carried out within the working current range.☆ Commercial
reliability: it is suitable for reclosing operation with various
characteristics and can be used instead of imported VD4.☆ Full
working condition: vertical insulating cylinder is used to prevent
various special environmental impacts.☆ Maintenance-free: adopt
solid insulation structure to integrate solid sealing pole.☆
Complete functions and multiple uses: it can be installed in a
fixed manner, can also be moved for use, and can also be installed
on the frame.☆ Standardized design: good interchangeability and
versatility, especially suitable for kyn28 (gzs1) indoor central
high-voltage switchgear..MAIN TECHNICAL PARAMETERS
No.ItemUnitData1Rated frequencykV122Rated Insulation Level1 min
Power Frequency Withstand Voltage (effective value) 45
(Fracture 48)Lightning Impulse Withstand Voltage 75 (Fracture
85)3Rated FrequencyHz504Rated CurrentA630, 12505Rated Short-Circuit
Breaking CurrentkA20;25 31.5 406Rated
Short-Circuit Closing Current (Peak Value)kA50;63
80 1007Times of Rated Short-Circuit Breaking
Current Times50, 308Rated short-time withstand current and
durations49Mechanical LifespanTimes3000010Rated Operating
Order O-0.3S-C0-180S-CO11Rated Short-Circuit Breaking Current
Breaking timesTimes5012Operating Mechanism Rated Closing
VoltageVAC110/220 DC110/22013Operating Mechanism Rated Opening
VoltageVAC110/220 DC110/22014Contact Distancemm11 +/- 115Overtravel
(crimping length of contact spring)mm3(+1.0, -0.5)16Three Pole
Closing and Opening Non-synchronismms≤217Contact Closing Bounce
Timems≤218Average Opening Speedm/s0.9 ~ 1.319Average Closing
Speedm/s0.4 ~ 0.820Opening Speedms20 ~ 5021Closing Speedms30 ~
7022Main Circuit ResistanceμΩ≤50, ≤3523Allowable Wear
Cumulative Thickness of Moving and Stationary Contactmm3Note: If
the altitude is over 1000m, the rated insulation level should be
modified as appropriate.OUTLINE AND INSTALLATION DIMENSION/*
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