Molded Case
Circuit Breakers


Molded Case Circuit Breakers,
15-1200 Amperes

NOARK offers a complete range of Molded Case Circuit Breakers in six frame sizes:

M1 – 150A, M2 – 250A, M3 – 400A, M4 – 600A, M5 – 800A, and M6 – 1200A. Each frame size offers a range of interrupting ratings from 240-690 Vac and 250-600 Vdc/1000 Vdc.

  • High-breaking capacity and a patented arc extinguishing design
  • Bearing-type spindle reduces the operating force required to open and close the
    operating mechanism
  • High quality compact modular design
  • Fixed and adjustable trip unit settings
  • Line and load lugs installed standard
  • 5-Year limited warranty

Wide range of accessories:

  • Alarm switch and auxiliary contact
  • Shunt and under-voltage trip
  • Rotary type handle
  • Flange type handle
  • Motor Operator
  • Mechanical Interlock


  • UL 489 Listed, File Number E355392
  • Certified for Canada CSA standards 22.2 No. 5 under cUL testing
  • IEC/EN 60947-2
  • CE Compliant
  • UL489B, File Number E513573
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Product Selection Guide