Molded Case Circuit Breakers


The latest additions to the popular Series M line of molded case circuit breakers, the M1 and M2 are designed for maximum performance and reliability.


The compact case design of these breakers gives them a smaller footprint making them perfectly suited for use inside panels. Both frames sizes are available as 1 pole and 2 pole in a range of interrupting voltage ratings from 240 to 690 VAC and 250 to 500 VDC.


The M series conforms to global standards that include UL 489, CSA C22.2 No 5 and IEC 60947-2.


  • High breaking capacity up to 100 kA @ 480 VDC
  • Available with fixed or adjustable trip settings to accommodate a broad range of applications.
  • Patented arc extinguishing technology for added safety and durability.
  • Patented bearing spindle mechanism reduces the operating force needed for operation.
  • Compact modular design saves space
  • 5-Year limited warranty

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