The Schneider Electric Square D S429521 is an external neutral current transformer designed for use with PowerPact H-frame circuit breakers. This transformer is specifically engineered to integrate with Micrologic electronic trip circuit breakers, providing essential current monitoring capabilities for enhanced electrical system protection and data acquisition. Its design facilitates accurate measurement of neutral current, a critical parameter for detecting ground faults and ensuring system stability.

Technical details

• Series: Square D PowerPact H-frame
• Compatible Breaker Type: Micrologic electronic trip circuit breakers
• Amperage Range: 60 to 100 amps
• Function: External neutral current transformer
• Purpose: Neutral current measurement for protection and monitoring
• Application: Ground fault detection and system imbalance monitoring
• Mounting: Designed for external mounting on compatible circuit breakers

Applications & compatibility

This current transformer is integral to electrical distribution systems requiring precise neutral current monitoring, commonly found in commercial buildings, data centers, and manufacturing facilities. It ensures that PowerPact H-frame circuit breakers equipped with Micrologic trip units can effectively detect and respond to unbalanced loads or ground faults, thereby safeguarding equipment and personnel.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D S429521 or contact our technical team for cross-reference assistance with compatible PowerPact H-frame components.