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Residential Main Circuit Breakers

100 to 225A. THQMV Main breakers are configured to allow top or bottom feed without modification and can be added to PowerMark Gold and PowerMark Pro convertible load centers.

Features and benefits

  • Every breaker exceeds UL, NEMA, ANSI, CSA requirements
  • 65° C/75° C Conductor Rating
  • Handle trips to center position, giving a clear indication of a tripped breaker
  • Handle requires reasonable effort to operate
  • Handle’s vertical orientation allows it to be mounted for top or bottom feed applications
  • 22KAIC interrupting capacity


  • 200 amp PowerMark Gold Pro convertible Load Centers
  • For 125 amp PowerMark Gold Pro convertible Load Centers. Use TQMH000 and desired plug on breaker (THQL21XX, THHQL21XX)