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Aysan Elektrik

GIS Type Metal Enclosed Switchgear GMA

GIS-Type Metal-Enclosed Switchgear GMA

Overview
GMA is an indoor, metal-enclosed sulphur hexafluoride (SF6) switchgear with insulated single busbar
arrangement intended for MV the section of HV/MV substations and MV/MV substations, with a service
voltage up to 24kV / 1250A.

GMA includes a wide range of functional units to accommodate primary distribution application needs.
• C - Switch-disconnector with Earthing switch
• T1 - Switch-disconnector with fuses and Earthing switch
• CB6 - Switch disconnector with circuit breaker (630A) and Earthing switch
• CB12 - Disconnector with circuit breaker (1250A) and Earthing switch
• BB-VT - Busbar module with plug-in optional disconnectable VT

Main characteristics
Internal arc withstand
• 3 side protection: 40kA/1s, A-FL
• 4 side protection: 40kA/1s, A-FLR
in accordance with AS 62271-200

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