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Meter Mod III Main Breaker Modules

When greater than six branch circuits are required, the NEC requires a main disconnect and overcurrent protection device ahead of the meters. A Main Breaker Module serves as this single point of disconnect and overcurrent protection. A main breaker module consists of a of a main breaker, bussing and connectors to allow meter modules to be added to the left and/or the right of the unit.

Features and benefits

  • Deep Bus Cap
  • Incoming Lugs Included
  • Rain Cover is 16 gauge
  • Equipped with Rating Plug
  • Spectra RMS Main Breaker factory installed
  • Top or bottom feed
  • Phase and neutral lugs included
  • Easy to order field-installable shunt trip available
  • Includes both left and right horizontal bus covers
  • Rating plugs available to easily adjust amperage in the field

Technical specifications

Available in these main breaker ampere ratings - 400, 600, 800, 1000, 1200, 1400, 1600, 2000


UL Listed, 1-phase and 3-phase


  • Multi-Family Apartments
  • Multi-Family Mixed Use
  • Light Commercial