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Switchgear

Special/High Voltage Switchgear Low Voltage Swichgear Motor Control Center 29 kV Gas Insulated Switchgear Metal Clad Switchgear 25.8 kV Eco-friendly Switching Device K-Innovative Product

29 kV Gas Insulated Switchgear

A Gas insulated switching device of electric railroad power systems used for 29 kV single-phase alternating current of trolley wires SP, SSP and PP. It is a switchgear that protects the power system by safely switching rails both indoors and outdoors.

Excellence of the product
우수성
Convenient compatibility between devices and assembly by minimizing the size of each device
It is compact and lightweight and minimizes the installation area, reduces installation space and allows convenient inspection and maintenance
The circuit breaker, disconnecting switch and others are embedded in the metal casing, increasing the stability of the equipment by maintaining sufficient heat, electrical and mechanical strength
Various certification and development tests conducted, such as KERI
Rated specification
Format GIS for 29 kV trolley wire power feed
Rated voltage (kV) 29
Impact resistant withstand voltage (kA/cycle) 220/200
Rated breaking current (kA/cycle) 20/3
Rated current (A) Main busbar and track: 2000
For auto transformer: 2000
Rated short time withstand current (kA/sec) 20/1
Power frequency withstand voltage (kV/min) CB : 95/1, DS : 110/1
Impulse withstand voltage (BIL) CB : 200, DS : 250
Insulation method SF6 gas insulation
Thermal expansion method Vacuum interrupter
Operation part Spring Charged and Motor Driving

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