MV KYN28A-12 (GZS1) Metal-clad Movable Switchgear with Advanced
MV KYN28A-12 (GZS1) metal-clad movable switchgear is a three-phase, AC, 50 Hz complete power distribution device of
single bus-bar and its sectional system. This kind of switchgears
are mainly used to control, protect and monitor circuits for power
plants, power transmission of medium & small generators,
industrial & mining establishments power distribution, power
acceptance & transmission of secondary substations in power
systems and large high voltage electromotor starting. It meets the
standards of IEC298 and GB3906. It has interlocking functions of
preventing from moving circuit breaker handcart with load,
preventing from opening & closing circuit breaker by mistake,
preventing from opening & closing circuit breaker while the
earthing switch is at closing position, preventing from straying
into charged compartment and preventing from closing earthing
switch by mistake while it is charged.
MV KYN28A-12 (GZS1) metal-clad movable switchgear is mainly used to
control, protect and monitor circuit.
MV KYN28A-12 (GZS1) metal-clad movable switchgears are widely used
for power plants and industrial & mining establishments.
- Temperature range: -25 °C to +40 °C.
- Relative air humidity: daily95%, monthly90%.
- Altitude1000 m.
- Seismic intensity8 degree.
- The workplaces should be free of fire, explosion, heavy pollution,
chemical corrosion and severe vibration.
Note: we can manufacture customized products according to customers'
|Rated voltage (kV)||3.6, 7.2, 12|
|Rated insulation level||1 min power frequency withstand voltage (kV)||42|
|Lightning impulse withstand voltage (kV)||75|
|Rated frequency (Hz)||50|
|Main bus-bar rated current (A)||630, 1250, 1600, 2000, 2500, 3150|
|Branch bus-bar rated current (A)||630, 1250, 1600, 2000, 2500, 3150|
|4 s thermal stability current (effective value) (kA)||16, 20, 25, 31.5, 40, 50|
|Rated dynamic stable current (peak value) (kA)||40, 50, 63, 80, 100, 125|
|Protection degree||Enclosure: IP4X, opening: IP2X.|
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Hebei Keneng Electric Co., Ltd.
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