Fused Disconnect Isolator Switch 400A

• 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 with a base frame, rotating shaft, lever, porcelain pillar insulator, gate knife, and connection board


• Conductive part fixed on the base by pillar insulators for each phase


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


• Optional magnetic locking plate for enhanced short-circuit current protection

Model Meaning:

GN19-12/400, 630, 1000, 1250 type switches have different configurations for varying current capacities and operational requirements.

Product Description

Product Description

Yueqing Liyond Electric Co., Ltd. presents a high-quality product with the following environmental conditions:

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


• Altitude: not exceeding 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


• No regular and violent vibration

For detailed technical parameters, please consult with Yueqing Liyond Electric Co., Ltd.

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