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Live Tank Circuit Breaker - LTB AirPlus™

The eco-efficient Live Tank Breaker (LTB) AirPlus™ makes use of a CO2-based gas mixture as the insulating and arc extinguishing medium as an alternative to SF6.

The eco-efficient breaker platform enables a Global Warming Potential (GWP) reduction of almost 100%.

The LTB AirPlus uses the same technology of the well-proven ABB’s SF6 LTB product range. This provides our customers the highest reliability and the same product footprint while lowering the environmental impact.

The LTB AirPlus is also available as a Disconnecting Circuit Breaker, where the disconnecting function is integrated in the breaker.

  • Line, transformer, reactor and capacitor switching
  • Switching of harmonic filters

Why ABB?

  • AirPlus has a Global Warming Potential (GWP) < 1 vs 23,500 of SF6
  • Close to 100% GWP reduction compared to conventional breakers
  • Scalable from MV to HV in interruption and insulation technology
  • Future-proof solution to comply with environmental regulation changes
  • Based on well-proven ABB's high-voltage breakers technology

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Brief performance data
 LTB AirPlus™
 Rated voltage kV 72.5  145
 Rated current A 2750  3150
 Rated breaking current kA 31.5  40
 Ambient temperature C -50  / + 40  -50  / + 40

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