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CIRCUIT BREAKERS, GAS, INDOOR TYPE
2000 Amps, Siemens, SF6 Breakers, Cat.#8DA-10, 38 KV, indoor gear (21 New Unused)
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Siemens Medium Voltage, Vacuum Gas Insulated Switchgear (GIS) 8DA10
600 to 2000 Amp each unit –4.16 to 40.5 Kv each unit
3 sect of 3 breakers, 3 sect of 4 breakers

Medium Voltage Vacuum Gas Insulated Switchgear (GIS) type 8DA10 is gas insulated, vacuum circuit breaker designs with a maximum design voltage of 4.16kV up to 38kV (42kV on request). Lightning impulse withstand voltage ratings up to 200kV BIL and interrupting ratings up to 40kA .
The 8DA10 Medium Voltage Vacuum GIS design feature fixed-mounted vacuum circuit breakers, connectable to the main bus through three-position (CLOSED-OPEN-READY TO GROUND) switches. The position of the switches is indicated by reliable contact position indicators and can also be visibly verified from the front of the unit using a convenient camera system and laptop computer.
Medium Voltage Vacuum GIS is approximately 1/5th the size of conventional air insulated switchgear depending upon the voltage rating and is suitable for systems where small size, arc resistance, environmental immunity, and/or reduced maintenance needs are important.