Switchgear – WSS, PSS, SS


Intelligent breaker technology for the next generation

Mitsubishi Electric offers three comprehensive ranges of compact moulded-case circuit breakers: the WSS World Super Series, the PSS Progressive Super Series and the SS Super Series. The circuits of the Mitsubishi breaker series are amongst the smallest compact circuit breakers in the world with electronic overload indication of this kind.

 

Switchgear

Moulded Case Circuit Breakers, WSS, PSS, SS

  
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WSS - World Super Series
The new WSS breaker series meets national and international protection ratings according to VDE, EN, and IEC standards for industrial applications as well as for extended shipping demands. The new tripping technology guarantees a high reliability and highest protection.

Key features include:

  • 16 to 250 A in one model size (3- and 4-pole)
  • interchangeable relay unit (thermal type or electronic type)
  • available in fixed and plug-in versions
  • breaking capacity Ics = 100 % Icu, up to 690 V

PSS - Progressive Super Series
The proven Progressive Super Series features technical know-how and the microprocessor technology tried and tested in longstanding experience. The fully enclosed circuit breakers provide an increased safety and at the same time decreased switching times.

Key features include:

  • 400 to 800 A
  • 2 model sizes (3- and 4-pole)
  • electronic trip system
  • available in fixed and plug-in versions
  • additional disconnectors available

SS - Super Series
The proven standard series for a high breaking performance providing an optimum protection for transformer and generator feed in, and output breakers. Circuit breakers can be used as section or disconnecting switch.

Key features include:

  • 1000 to 1600 A
  • 1 model size (3- and 4-pole)
  • electronic trip system
  • available in fixed versions

 

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