Indoor HV Isolation Switch For Switchgear Equipment

Place of Origin WENZHOU
Brand Name QIUPU
Certification IEC
Model Number GN30-12M
Minimum Order Quantity 50PCS
Packaging Details WOODENS
Delivery Time 7 Days
Payment Terms T/T, Western Union
Supply Ability 50000 PCS/Month

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Product Details
Rate Voltage 12kV Rate Current 630A-1250A
Hot Stable Current 12.5kA/4S Move Satble Current 31.5kA/4S
Wide 575mm Short Current 50kA
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hv disconnect switch


load break disconnect switch

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Product Description


GN30-12M Indoor High Voltage Isolation Switch with switchgear Equipment



1. The Indoor high voltage isolation switch GN30-12 is new design for rotating contact type switch , there have insulators and contacts .

2.The isolation switch, usually referred to as the high voltage isolation switch, is rated voltage above 1kV isolation switch, is the most used high voltage switch electrical appliances, working principle and structure is relatively simple, but because of the high usage, high reliability requirements, the design, construction and safe operation of power substation, power plant has a great impact.




Provide 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.



Item Technical data
Rated voltage (KV)     12    
Rated frequency(Hz) 50
Insulator(capacity) insulating Frequency withstand voltage 5 min (KV)     42    
Frequency withstand voltage 1 min (V) 2000
Lighting impulse withstand voltage (KV)     75    
humitity 95%
life 2000


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