Metix Ltd is the only producer with license for production of air insulated compact secondary distribution switchgears ‘‘UniSec” 24kV, 1250A, 25kA under the license of АВВ since 2013. This is the most modern product in the range of the secondary distribution switchgears in global scale. The production capacity of Metix Ltd factory assures excellent quality, competitive price, flexibility in the engineering service and wide range of “on-stock” products.
Air Insulated Switchgear for secondary distribution up to 24kV, 1250A, 25kA
Characteristics of UniSec switchgear
– Air insulation of all live parts
– Sulphur hexafluoride (SF6) switch-disconnector
– Изваждаеми Breakers – vacuum and SF6
– Classification for panels LSC2A-PM with switch-disconnectors, LSC2B-PM за шкафове с изваждаеми прекъсвачи до 17.5 kV и LSC2B-PI на 24 kV, in accordance with the lost of service continuity definitions and 62271-200 standards.
– Complete range of functional units and accessories
– Wide choice of state-of-art protection relays, either integrated in circuit breakers or mounted separately for protection, control and measurement functions.
Modifications:
– Arc fault tested in accordance with standard IEC 62271-200 in the arc proof version for two sides IAC AFL (front and lateral) 12.5 kA, IAC AFLR arc proof version for three sides (front, lateral, back) 12.5 kA, 16 kA and 21 kA; 25 kA за шкафове с изваждаеми прекъсвачи до 17.5 kV.
– Seismic withstand modification in accordance with standard IEEE693.
– Marine version.
Normal service conditions
– Storage temperature: –5 °C … +70°C (*)
– Range of ambient temperature: –5 °C … +40°C (*)
– Maximum relative humidity without condensation: 95 %
– Minimum relative humidity without condensation: 5 %
– Altitude: <1000 m above sea level (**).
(*) Contact Metix Ltd for additional information for operation temperature -25°C and storage temperature -40°C.
(**) Contact Metix Ltd for additional information for operation at sites higher above sea level.
