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Outdoor Circuit Breaker (OSM)

Tavrida Electric's Outdoor Circuit Breaker OSM is designed for the use as an automatic circuit Recloser on overhead distribution lines and as an outdoor circuit breaker in distribution substation applications for voltages up to 27kV. 30.000 C-O operations with rated current or 200 operations with full short-circuit breaking current makes them the most reliable product in the market. Tavrida's light vacuum circuit breaker and the robust aluminum tank contribute to the total weight of the OSM of not more than 77kg making this the most light weight outdoor circuit breaker in the market. The OSM is air insulated. The patented combined insulation makes them an environmental friendly option. Built for the worst conditions, the OSM has been tested at the KIPTS harsh environment test labs in South Africa, achieving the highest rating for both pollution and weather resistance. Worldwide installations have shown the OSM performing at the most extreme temperatures, from -50°C in Russia to +55°C in the Middle East.


  
           OSM/TEL-12-20/630-216..220
         Rated voltage, kV:  12
  Rated current, A: 630
  Rated short-circuit breaking current, kA: 20
Rated short-time withstand current 4s, kA: 20
  Rated cable charging current, A 25
  Rated line charge current, A: 10
  Rated frequency, Hz: 50/60
Mechanical endurance, CO cycles: 30 000
  Temperature range, °C:                        -40...+55
  Weight, kg: 68
  Degree of protection: IP 65
Current transformers                  3 metering cores
3 protection cores
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           OSM/TEL-15.5-16/630-221..223
         Rated voltage, kV:  15.5
  Rated current, A: 630
  Rated short-circuit breaking current, kA: 16
Rated short-time withstand current 4s, kA: 16
  Rated cable charging current, A 25
  Rated line charge current, A: 10
  Rated frequency, Hz: 50/60
Mechanical endurance, CO cycles: 30 000
  Temperature range, °C:                        -40...+55
  Weight, kg: 65
  Degree of protection: IP 65
Current transformers                3 protection cores
6 voltage sensors
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           OSM/TEL-27-12.5/630-224..226
         Rated voltage, kV:  27
  Rated current, A: 630
  Rated short-circuit breaking current, kA: 12,5
Rated short-time withstand current 4s, kA: 12,5
  Rated cable charging current, A 31,5
  Rated line charge current, A: 10
  Rated frequency, Hz: 50/60
Mechanical endurance, CO cycles: 30 000
  Temperature range, °C:                        -40...+55
  Weight, kg: 65
  Degree of protection: IP 65
Current transformers                3 protection cores
6 voltage sensors
More information hPointerm