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Three Phase High Voltage Disconnect Switch Electrical HV Isolator Switch GN19-12M
|Rate Voltage||12kV||Rate Current||400A|
|Hot Stable Current||12.5kA/4S||Move Satble Current||31.5kA/4S|
hv disconnect switch,
load break disconnect switch
GN19-12M High Indoor Voltage Isolation Switch with switcgear equipment
The Indoor GN19-12 high voltage isolation switch use for CS6-1 human operators . Humidity is 95% . The temperature is from -25 degree to 40 degree . Earthquake strength less than 8 degree .
rovide an electrical interval during the maintenance of electrical equipment and a visible break point for the safety of the maintenance personnel.
isolation switch operation: can not take rated load or heavy load operation, can not be divided, load current and short circuit current, but can take small load and empty circuit operation.
, general power supply operation: first the isolation switch, then the circuit breaker or load type switch; Disconnect circuit breaker or load type switch, then disconnect isolation switch.
The rated voltage, rated current, dynamic stable current, thermal stable current and so on shall be the same as other electrical equipment.
|Rated voltage (KV)||12|
|Insulator(capacity)||insulating||Frequency withstand voltage 5 min (KV)||42|
|Frequency withstand voltage 1 min (V)||2000|
|Lighting impulse withstand voltage (KV)||75|
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