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Dead Tank Circuit Breaker 800 kV

Pioneering high performance breaker technology

ABB pioneered the 800 kV dead tank breaker in the year 2000.  Now a mature offering, the breaker line features one mechanism per phase, high TRV and current potential for longer transmission lines and larger loads.


Applications

  • Line, transformer, reactor and capacitor switching
  • Point-on-wave switching
  • High seismic applications
  • High altitude applications

Why ABB?

  • High TRV withstand for long transmission lines
  • High current potential facilitates high load transmission 
  • Flexible design platform provides options for pre-insertion resistors, and various height-to-live part configurations
  • Short installation time due to factory pre-assembly
  • 10 year warranty on the HMB operating mechanism
  • Widely installed base in all environments and applications
  • Global service organization, local everywhere
 Brief performance data
DTB 800 kV 800PM
Rated voltage kV 800
Short-circuit breaking current
kA 40-63
Rated current A 5000
Break time cycles 2
Operation type Single-pole operated

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