Residential breakers

Products and reference designs

Residential breakers

Block diagram


Our integrated circuits and reference designs help you create and optimize a residential circuit breaker design to support small form factor while accurately detecting faults and quickly disconnecting the load. We help you design a variety of residential breakers, including an arc fault circuit interrupter (AFCI), ground fault circuit interrupter (GFCI) or residual current circuit breaker (RCCB) that detects leakage currents, a surge protection device (SPD) that detects surges in voltages or a miniature circuit breaker (MCB) that detects fault current or temperature.

Design requirements

Modern residential breakers often require:

  • Sensitivity for detecting high-frequency arcs or low-level leakage currents.
  • Minimizing components to convert alternating current (AC) line current or voltage to regulated direct current (DC).
  • Integrating wired and wireless communications for better data analysis.

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Block diagram

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Technical documentation

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Type Title Date
Technical article Improve circuit breaker leakage current response with a voltage supervisor PDF | HTML 25 Sep 2023
White paper Enabling and integrating wired & wireless technologies for grid interoperability 22 Mar 2019
Technical article Implementing Wi-Fi® connectivity for grid protection and control PDF | HTML 18 Jul 2023

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