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Non-Arc-Resistant, Air-Insulated, Metal-Clad Switchgear GM-SG
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Siemens
Riyadh, Saudi Arabia
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GM-SG switchgear of this type is offered as:

  1. Inside (GM-SG type).
  2. A single-aisle, factory-assembled aisle or an optional factory-insulated and assembled aisle are available for the outdoor walk-in Shelter-Clad NEMA 3R (type SGM-SG).
  3. Power equipment center-type alternatives (type S+GM-SG) and factory-assembled switchgear and aisle on a shared basis are available for the outdoor walk-in shelter.
  4. Outdoor, non-walk-in, aisleless (OGM-SG type).

Characteristics of Switchgear:

  1. Construction that is one or two stories high.
  2. 100 full-fault interruptions maximum.
  3. A universal spare circuit breaker with ratings of 50 kA and below.
  4. 63 kA rated universal spare circuit breaker.
  5. Higher-rated vacuum circuit breakers can be inserted into lesser-rated cells thanks to interlocks, but not the other way around.
  6. Racking for closed doors.
  7. For convenience of maintenance, the circuit breaker's functioning mechanism is accessible from the front.
  8. Without a dolly, the lower cell's floor rollout circuit breaker is located.
  9. Secondary disconnect that is visible.
  10. By shipping inside the cell, circuit breakers save installation costs and damage during transit.
  11. For every common application, pair with Siemens protective relays.
  12. A GMSG vacuum circuit breaker with a horizontal drawout and an operating mechanism of type 3AH3.
  13. The most recent advancements in vacuum interrupter technology are utilized.
  14. Vacuum interrupters with an MTTF of more than 50,000 years are extremely dependable.
  15. All ratings use the same type 3AH3 operator platform.
  16. Since 1998, more than 120,000 type 3AH3 operators have been built.
  17. Circuit breakers for generators (to IEEE C37.013 optional)
  18. 10,000 operations need to be redesigned.
  19. Interrupting time of three cycles (optional).
  20. An optional Siemens integrated electric racking system (SIERS) is offered.
  21. Predictive diagnostics, continuous monitoring, and remote control are all made possible with optional Sm@rtGearTM capability.
  22. Meets or surpasses the most recent NEMA, IEEE, and ANSI requirements.
  23. Available listings are UL or C-UL.

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