Grey Fused Disconnect Isolation Switch 400A

• Customization: Available
• Type: High-voltage
• Structure: Three-column Disconnector
• Model NO.: GN19-12
• Installation: Indoor High-voltage
• Operation: Manual
• Grounding Mode: as Specification
• Movement Mode: as Specification
• 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 used for dividing and closing circuits under voltage and no load conditions.

Features:

• Three-pole type structure


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


• Conductive part fixed on the base by pillar insulators


• Improved mechanical strength and heat dissipation area of contact knife


• Models available: GN19-12/400, 630, 1000, 1250

Working Principle:

The conductive part of the disconnect switch is fixed on the base by insulators, with contact knives connected to tie insulators and the spindle. The spindle is linked to the moving mechanism through the handle, ensuring stable operation.

Model Meaning:

The model numbers of the disconnect switches indicate the rated current capacity, with variations in features such as magnetic locking plates for enhanced safety.

Product Description

Yueqing Liyond Electric Co., Ltd.

Product Description

Ensure optimal performance of your equipment with our technical parameters:

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


• Altitude: Up to 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 other pollutants


• Vibration: No regular or violent vibrations

For detailed technical parameters, consult with the manufacturer to ensure compatibility.

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