KEREC

Switchgear

K-Excellent Procurement Products 29 kV Eco-friendly Switchgear Metal Clad Switchgear 25.8 kV Eco-friendly Switching Device

29 kV Eco-friendly Switchgear

A Eco-friendly 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
Rated current (A)	Main busbar and track: 2000
Rated current (A)	For auto transformer: 630
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	Dry Air
Thermal expansion method	Vacuum Interrupter
Operation part	PMA Type

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