CBI Electric: Australia

QF Range Circuit Breakers


  • The QF range of QFD’s and QF10’s are for use against overload, short circuit and residual current (QF10 only) protection in residential, commercial, industrial and mining applications.


  • Complies with AS3111 (Approval Number NSW 22415)
  • Max cable size: 25mm2
  • Terminal accepts link busbar and also above-mentioned cable size
  • 18mm module width
  • Precision circuit breaker utilizing hydraulic magnetic technology
  • DIN mounting
  • Always carries 100% of rated current
  • Trip point unaffected by ambient temperature
  • Mid-trip handle indication signifies breaker operation for electrical fault
  • Immediate resetting can be done after clearance of fault (no thermal memory)
  • No ageing deterioration of sensing mechanism which is hermetically sealed
  • IP2X Shrouded line and load box terminals
  • Handle is sealable and padlockable (with padlock attachment)
  • Suits EQF chassis - 250A rated
  • Available in both Curve 1 and Curve 2 versions (Curve 3 available on indent only)