FEEDER TERMINAL UNITZW32-12 type outdoor high voltage vacuum
circuit breaker(also named as vacuum switch) is rated voltage
12kV, three-phase AC 50Hz outdoor distribution equipment, which is
mainly used for breaking, closing power system load current,
overload current, short-circuit current. For substation and
industrial and mining enterprises distribution system for the
protection and control of the role and place of rural power grids
frequent operation.The circuit breaker has small size, light
weight, anti-condensation, maintenance-free characteristics, can
adapt to poor weather conditions and dirty environments.The models
with permanent magnet operation mechanism operates: since the
permanent action energy operating mechanism provided by a permanent
magnet, the switch quickly to keep the points off position, a small
number of mechanical parts, mechanical transmission chain is short,
thus greatly improving the switch reliability and mechanical
life.ZW32-12 11KV 400A Outdoor pole-mounted vacuum automatic
recloser ItemDescriptionActual1Type/DesignationOutdoor
pole-mounted type2Interrupting mediumVacuum3Country of
originChina4Voltage rating 4(i)Nominal11KV4(ii)Maximum15
KV4(iii)Power frequency50 /60 HZ4 (iv)Basic Insulation Level95
KV5Current rating 5(i)Continuous Load Current400A5(ii)Short
time 3 seconds8 KA5(iii)Interrupting8 KA5(iv)Closing and latching
capability20 KA6Interrupting cycles20 000@400A7Opening time (trip
initiation to contact open) separation)50 ms8Closing time (close
initiation to contact make)90 ms9Duty Cycle O-0.3s-CO-3mins
-CO10Type of Operating
Mechanism -
Trip
mechanismMagnetic -
Closing mechanismMagnetic 11Type of
controlMicroprocessor12Number of operations to Lockout413Number of
fast operationsProgrammable14Number of slow
operationsProgrammable15Accessories -
Bushing ct's3 nos bushing CT (current
transformer) -Statistical Metering
Facilityyes -
Remote
tripyes -
Remote
closeyes16Dimensions -
Height930
mm -
Width1090
mm -
Depth230 mm Gross weight (in a single wooden box)123
kgs17SCADA Compatibleyes18ManufacturerBoerstn Electric
co.,ltd19Country of originChina20Recloser unit complete with a
voltage transformer: Yes/NoYes, with one VT-voltage transformer/*
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