Secondary switchgear SNC DB Series

medium-voltageswitchingvacuum

Aktif SNC series Double Busbar Medium Voltage Metal Clad Switchgears are the switching and control cubicle andmanufactured up to kV and 36 kV, 2500 A, 40 kA/3s electrical specifications according to IEC 62271-200 standard. SNC series Double Busbar Metal Clad Switchgears have LSC-2B service continuity class, PM partition class, AFLR internal arc classification, IP 4X protection class. SNC-DB series Metal Clad switchgears are manufactured in three types; • SNC – 0.DB : with fixed SF6 gas insulated or vacuum circuit Circuit Breaker • SNC – 1 .DB : with withdrawable SF6 gas insulated or vacuum circuit Circuit Breaker • SNC – 2.DB : with withdrawable SF6 gas insulated or vacuum circuit Circuit Breaker and Voltage Transformer Metal Clad Switchgears consist of 4 independent compartments for SNC – 0.DB and SNC – 1.DB types, 5 independent compartments for SNC-2.DB type; • Low Voltage Compartment : This compartment contains all secondary circuits for measurement, protection, control, monitoring, communication and other associated systems. • Busbar Compartment : This compartment contains electrolytic copper busbars and disconnector switches according to rated current. Access to busbar compartment is possible with special safety procedures and tools. • Switching Compartment : This section contains the following equipment in accordance with the project requirments. – SF6 gas or vacuum circuit breaker with front mechanism, – Withdrawer unit (excluded SNC-0.DB), – Automatic shutters for busbar and cable connections, – Mechanical interlocks between circuit breaker, withdrawer unit, shutter and door.