1. Electricity - Electronics
  2. Switch and Relay
  3. Primary switchgear
  4. Siemens Medium-voltage – Power distribution

Primary switchgear 8DA1 series

primary switchgear
primary switchgear
primary switchgear
primary switchgear
primary switchgear
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Electrical characteristics
single-pole, medium-voltage
metal-clad, gas-insulated
power distribution
Other characteristics
modular, stationary
Primary current

3,150 A, 5,000 A

Min.: 0 A

Max.: 40,000 A


Min.: 0 kV

Max.: 40.5 kV


Rated short-time withstand current up to 40 kA Rated normal current up to 5000 A Single-busbar up to 5000 A Double-busbar up to 5000 A Traction power supply systems up to 3150 A Gas-insulated medium-voltage switchgear for primary distribution Fixed-mounted circuit-breaker switchgear 8DA10 and 8DB10 is indoor, factory-assembled, type-tested, single-pole metal-enclosed, gas-insulated switchgear with metallic partitions, for single-busbar and double-busbar applications, as well as for traction power supply systems. 8DA10 Gas-insulated medium-voltage switchgear up to 40.5 kV, 40 kA (3s) - up to 5000 A busbar, up to 3150 A feeder - Metal-enclosed - Single-busbar system - Hermetically enclosed - Factory-assembled, routine-tested according to IEC 62 271-200 - Type-tested according to IEC 62 271-200 Benefits: - Safe, secure, and reliable operation - Personal safety - Environmental independence - Compactness - Maintenance-free design - Cost-efficiency - High environmental compatibility


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