MV electrical switchboards
Electromechanical under voltage relay compartments:
Basic cubicle:
1 cell with:
Supply on the busbar and cable side
switch in SF6 or vacuum:
- Manual
- Opening release shunt
- Closing shunt
- counter
- Auxiliary contacts 2NO +2 NC
- Under voltage release
- De-energized shunt signaling contact
Protection relay with CEI 0-16:
- 3 sensors on board switch
- 1 earth fault toroid
Disconnecting switch with:
- 1 removable key with line closed disconnecting switch
- 1 removable key with line open disconnecting switch
Electrical prefabricated substation transformation
- 1 removable key with ground closed disconnecting switch
- 1 removable key with open land disconnecting switch
Additional partition:
1) Unit CL: lift cables
2) A cell with:
- Power on the cable side
- Ground disconnecting switch with 2 keys
removable open land disconnecting switch
Electrical Prefabricated substations transformation
Compartments electromechanical directional protection earth fault (67N) and data logger:
1 cell with:
Instrument compartment to 235mm
Supply on the busbar and cable side
Switch in SF6 or vacuum
- Manual
- Opening release shunt
- Closing shunt
- counter
- Auxiliary 3NA +4 NC
- Signaling springs charged
Electrical Prefabricated substations transformation
CEI 0-16 units with DATA LOGGER:
- 3 sensors current / voltage KEVCD
- 1 earth fault toroid
Disconnector with:
- 1 removable key with line closed disconnecting switch
- 1 removable key with line open disconnecting switch
- 1 removable key with ground closed disconnecting switch
- 1 removable key with open land disconnecting switch
- Auxiliary contact 2NO or 2NC line disconnecting switch
- Auxiliary contact 2NO or 2NC land disconnecting switch
Additional partition:
1) Unit CL: lift cables
2) A cell with:
- Power on the cable side
- Ground disconnecting switch with 2 keys
Removable open land disconnecting switch
Photovoltaic wind system

Eurostrutture provides wide-ranging solutions in the making of ENEL approved prefabricated substations for photovoltaic and wind systems
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