12kv Indoor High Voltage Isolation Switch

• Customization: Available
• Type: High-voltage
• Structure: Three-column Disconnector
• Model NO.: GN19-12/400
• Installation: Indoor High-voltage
• Operation: Manual
• Grounding Mode: Grounding
• Movement Mode: Vertical Rotary Type
• Number of Poles: Three Pole
• Grounding: Double Ground
• Series: Three
• Run: Vertical Rotation
• Switching Mode: Single Throw-in
• Common Model: Gn19
• Structure of Operating: Manual
• Certification: IS9001
• Brand: Liyond
• Phase Distance: 210mm
• Current: 400A-1250A
• Color: Grey, Red
• Breaking Current: 31.5ka
• OEM: Accept
• Transport Package: Standard Export Packaging
• Specification: 12kV
• Trademark: Liyond
• Origin: China
• Package Size: 85.00cm * 55.00cm * 35.00cm
• Package Gross Weight: 35.000kg

Product Description

GN19-12, 12C Series Indoor High-Voltage Disconnect Switches


 

The GN19-12, 12C series indoor high-voltage disconnect switches, manufactured by Yueqing Liyond Electric Co., Ltd., are designed for indoor use with a rated voltage of 12kV, three-phase AC 60Hz. These switches are used for dividing and closing circuits under voltage and no load conditions.

 

Features:

• Three-pole type design


• Consists of base frame, rotating shaft, lever, porcelain pillar insulator, gate knife, and connection board


• Conductive part fixed on base with pillar insulators


• Improved mechanical strength with connecting contact knife composed of two slotted copper plates


• Includes magnetic locking plate for enhanced stability during large short-circuit currents

 

 

Environmental Conditions:

• Ambient Temperature: +40ºC (upper limit), -10ºC (lower limit). Storage and transportation allowed at -25ºC.


• Altitude: Not more than 1000m.


• Relative Humidity: Daily average not more than 95%, monthly average not more than 90%.


• Water Vapor Pressure: Daily average not more than 2.2 × 10-3Mpa, monthly average not more than 1.8 × 10-3Mpa.


• Air Quality: Free from corrosive or combustible gases, water vapor, and pollution.


• Vibration: No regular and violent vibration.

Note: Consult the manufacturer for any deviations from the above conditions.

 

Technical Parameter:

Include specific technical parameters here.

Model	Rated voltage  (kV)	Rated current  (A)	Rated short-time withstand current (kA/4s)	Rated peak withstand current (kA)
GN19-12/400-12.5	12	400	12.5	31.5
GN19-12/630-20	12	630	20	50
GN19-12/1000-31.5	12	1000	31.5	80
GN19-12/1250-31.5	12	1250	31.5	80
GN19-12C/400-12.5	12	400	12.5	31.5
GN19-12C/630-20	12	630	20	50
GN19-12C/1000-31.5	12	1000	31.5	80
GN19-12C/1250-31.5	12	1250	31.5	80

 

 

FAQ