Medium Voltage airinsulated Switchboards for the electric distribution in industrial plants and in the service sector. They are equipped with vacuum or sf6 circuit-breakers and with air-insulated rotary disconnectors / isolators . A wide range of transformer boxes is available.
Medium Voltage Switchgear for indoor use made by standardised units housing vacuum or gas SF6 circuitbreakers, rotary type air insulated switch-disconnectors / isolators and air earthing switches. They are used in Medium Voltage secondary power distribution mainly for transformer substations for control and protection of feeders and power transformers.
The switchgear complies with the:
• IEC 62271 – 200 • EN 62271 - 200 Standards
In particular, the switchgear is defined as follows :
The rated service characteristics are guaranteed under the following limit conditions: