MV XGN2-12 Fixed Metal-enclosed Switchgear for Frequent Operation
MV XGN2-12 fixed metal-enclosed switchgear.
MV XGN2-12 fixed metal-enclosed switchgear is used to receive and distribute power energy in electrical power
system of three-phase, AC, 50 Hz and 3.6 kV, 7.2 kV and 12 kV
voltage. It is especially suitable for frequent operation
occasions. It meets the standards of GB3906 and IEC298. The main
switch adopts ZN63-12 and ZN65A-12 integrated vacuum circuit
breaker. Disconnecting switch adopts GN30-12 rotating disconnecting
switch, GN22-12 high current disconnecting switch and GN30-12
rotating high current disconnecting switch.
- Altitude1000 m.
- Temperature range: -25 °C to +40 °C.
- Relative air humidity: daily95%, monthly90%.
- Seismic intensity8 degree.
- Workplaces should be free of fire, explosion, serious pollution,
chemical corrosion and severe vibration.
Note: if switchgear is installed in the areas where altitude is higher
than 1000 m, please contact with manufacturer to take measure of
Technical parameters of MV XGN2-12 fixed metal-enclosed switchgear
|1||Rated voltage (kV)||3.6, 7.2, 12|
|2||Rated current (A)||630 - 3150|
|3||Maximum working current (A)||630, 1000, 1250, 2000, 2500, 3150|
|4||Rated short-circuit breaking current (kA)||20, 31.5, 40|
|5||Rated short time withstand current (kA)||20, 31.5, 40|
|6||Rated peak withstand current (kA)||50, 80, 100|
|7||Rated making current (kA)||50, 80, 100|
|8||Thermal stabilization time (s)||4|
|10||Weight (kg)||400 - 700|
|11||Overall size (widthdepthheight) (mm)||110012002650 (1250 A and below)|
|120012002650 (1250 A above)|
Technical parameters of ZN65-12 and ZN63-12 circuit breaker
|Rated voltage (kV)||12|
|Rated frequency (Hz)||50|
|Rated current (A)||1250, 2000, 2500, 3150|
|Rated short-circuit breaking current (kA)||20, 31.5, 40|
|Rated making current (kA)||50, 80, 100|
|Rated short-time withstand current (kA)||20, 31.5, 40|
|Rated peak withstand current (kA)||50, 80, 100|
|Thermal stable time (s)||4|
|Mechanical life (Times)||10000|
|Vacuum interrupter vacuum degree (Pa)||≥ 6.6102|
|Arcing time (ms)||≤ 20|
|Rated short-circuit breaking current breaking times (Times)||30 (50)|
Technical parameters of disconnecting switch
|Rated voltage (kV)||12|
|Rated current (A)||400||630||1250|
|Rated short-time withstand current (kA)||12.5||20||31.5|
|Rated peak withstand current (kA)||31.5||50||80|
|Rated insulation level||Lightning impulse withstand voltage (kV)||75|
|1 min power frequency withstand voltage (kV)||42|
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