High Voltage Grey Isolation Switch 12kv

• Type: High-voltage
• Structure: Three-column Disconnector
• Installation: Indoor High-voltage
• Operation: Manual
• Grounding Mode: as Specification
• Movement Mode: as Specification
• Model NO.: GN19-12
• Number of Poles: Three Pole
• Grounding: as Specification
• Series: Three
• Run: as Specification
• Switching Mode: as Specification
• Common Model: as Specification
• Structure of Operating: Manual
• Certification: ISO
• Brand: Liyond
• Rated Voltage: 12kv
• Current: 400A-1250A
• Color: Grey
• Transport Package: Standard Export Packaging
• Specification: as specification
• Trademark: Liyond
• Origin: China

Product Description

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

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 ideal 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


• Improved mechanical strength and heat dissipation area


• Available in GN19-12/400, 630, 1000, 1250 types

Working Principle:

The conductive part of the disconnect switch is fixed on the base by pillar insulators, with contact knives and holders for each phase. The contact knives are connected to tie insulators and the spindle, which is linked to the moving mechanism through the handle.

Model Meaning:

The GN19-12/1000, 1250 types feature a magnetic locking plate to enhance stability during large short-circuit currents. GN19-12/400, 630 switches do not require a magnetic locking plate due to their small limit through current.

Product Description

Yueqing Liyond Electric Co., Ltd.

Product Description

Ensure optimal performance of our product by following these environmental conditions:

• Ambient temperature: +40ºC upper limit, -10ºC lower limit (storage and transportation allowed at -25ºC)


• Altitude: not exceeding 1000m


• Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90%


• Water vapor pressure: daily average not exceeding 2.2 × 10-3Mpa, monthly average not exceeding 1.8 × 10-3Mpa


• Air quality: free from corrosive or combustible gases, water vapor, and pollutants


• No regular or violent vibrations

For technical specifications, please consult the manufacturer for assistance.

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