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      • Product Safety Notice: Masterpact™ NW 800-6300A Circuit Breakers

        This is applicable for circuit breakers purchased in the United States (US).

      • mpnw breaker PB104372

    Schneider Electric Product Safety Notice

    Safety Alert for Masterpact NW 800A - 6300A Circuit Breakers

    Hazard: Schneider Electric has recently discovered a manufacturing issue that may affect the electrical protection capability of Square D™ or Schneider Electric branded Masterpact NW circuit breakers in a select range.

    Affected Products: Potentially impacted products were manufactured between August 8, 2016 – March 27, 2018 in a Schneider Electric factory in France. Affected products can be identified using the serial number validation tool below.

    Remedy: Schneider Electric has provided inspection procedures for products sold and currently installed. Affected products will be replaced for any non-conformity identified.

    Check if Your Serial Number Is Affected

    THIS TOOL IS ONLY FOR PRODUCTS PURCHASED IN THE UNITED STATES (US)
    Check your serial number with our validation tool to see if your product is affected.
    > Serial Number Validation tool  

    If you have more than 5 serial numbers for products purchased in the United States (US) and would like help checking their status, please download and complete a serial number tracking form to have our customer care team assist you. Or use the live chat below.
    > Serial number tracking form (pdf, 343kb)

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