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Siemens: New Twin Arc Fault and Plug on Neutral Breakers

June 6, 2023

Siemens new Tandem AFCI circuit technology feeds two separate circuits from one breaker position. Twin AFCI circuit technology fits in new or existing construction and saves space in a loadcentre.  Available in Pig Tail or Plug on Neutral versions.

Tandem AFCI Breakers

Tandem AFCI breakers provide flexibility where traditional breakers can’t, making them suited for new construction and renovation projects.

  • Less space: only one Tandem AFCI feeds two circuits and minimizes the sub-feeding options
  • Increased safety with connection indicators
  • Flexibility options: both Plug-On Neutral and pigtail options are available

Plug on Neutral Breakers

The Plug on Neutral Breakers have a single load lug(s) only, wiring is made easier with the neutral lug removed. These breakers can be installed in the same manner as the thermal magnetic breakers in Siemens SNC loadcentres. This allows the installer to land ground and neutral conductors in the load center before installing the breaker and load conductor. The new design allows for the same reliable installation method using the neutral clip as the line side clip.

Product Features

Tandem Combination Type AFCI Breakers

  • Expanded capabilities with tandem (twin) AFCI vs. competition: one breaker feeds two circuits to save on space and time
  • Allows for smaller load center needs due to combined position use
  • Additional space savings: Tandem AFCI minimizes the need for sub-feeding panels
  • Trusted indicator flags show when load wires are correctly inserted
  • LED trip indicators for ease of troubleshooting
  • Quicker installation with load lugs only
  • Tandem AFCI are available in pigtail and Plug-On Neutral types

Plug on Neutral Breakers

  • Wiring made easier with plug on CAFCI breakers now having a single lug only
  • Fast installation with less wires
  • Plug on neutral breakers can be installed in the same manner as a thermal magnetic (standard) breaker
  • Plug on Neutral breaker versions available for CAFCI, GFCI, CAFCI/GFCI (Dual function) breaker
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