All rights reserved MV SWITCHGEAR

All rights reserved STANDARDS IEC High-voltage switchgear and controlgear – AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV

All rights reserved Metal-enclosed Switchgears Busbar Compartment Circuit Breaker Compartment Cable Compartment LV Compartment

All rights reserved Circuit Breaker Compartment

All rights reserved Main busbar system Branch busbar connections Through insulators for segregation of neighboring busbar compartments Busbar Compartment

All rights reserved Earthing switch Busbar branch connections Power cables Surge arresters Instrument transformers (current transformers, voltage transformers) Cable Compartment

All rights reserved Microprocessor relay protection Automation and SCADA elements Auxiliary wiring (control, supply, signalling circuits) Transit auxiliary wiring Local control and signalling elements Low-Voltage Compartment

All rights reserved Internal Construction 1 Circuit Breaker compartment 2 Main busbar compartment 3 Cable compartment 4 LV compartment 5 Arc duct/channel 6 Current transformers 8 Earthing switch 7 Voltage transformers

All rights reserved Internal Arc Protection Front Protection Rear Protection Lateral Protection Release of hot gases from each compartment in case of internal arc fault

All rights reserved Single Line Diagram

All rights reserved IF & OF – Incoming & Outgoing Feeder 6 Cables Withdrawable VT Fixed VT + 6cables

All rights reserved BC – Bus Coupler Left/Right Versions

All rights reserved BR – Bus Riser Metering Version With VT Truck Version With No VT Truck

All rights reserved Rating

All rights reserved Gas-Insulated Switchgear

All rights reserved Panel Components

All rights reserved IF & OFBC + BR Single Line Diagram