The Schneider Electric Square D 3066386, identified as model NPGF36120U31A, is a thermal-magnetic molded case circuit breaker designed for robust electrical system protection. This breaker is engineered to safeguard equipment against overcurrent conditions, including both overloads and short circuits, ensuring operational continuity in demanding industrial environments. Its construction facilitates reliable performance in applications requiring dependable circuit interruption.

Technical details

• Series: Square D NPGF
• Type: Molded Case Circuit Breaker (MCCB)
• Frame Size: GF (likely indicates a specific frame size within the NPGF series, requiring datasheet verification for exact dimensions and interrupting ratings)
• Voltage Rating: 600V AC (indicated by the '6' in 3066386, common for this series)
• Amperage Rating: 120A (indicated by '120' in NPGF36120U31A)
• Number of Poles: 3 (indicated by '3' in NPGF36120U31A)
• Trip Unit Type: Thermal-Magnetic (indicated by 'U' in NPGF36120U31A, typically denoting adjustable thermal and fixed magnetic trip settings, though specific adjustment ranges require datasheet confirmation)
• Interrupting Rating: Requires datasheet verification for specific kA rating at 600V AC.

Applications & compatibility

This Schneider Electric Square D circuit breaker is suitable for use in a wide range of industrial power distribution systems. It is commonly found in motor control centers, main distribution panels, and as protection for large inductive loads in manufacturing facilities, processing plants, and heavy machinery applications. Its 600V rating makes it appropriate for systems operating at higher voltage levels common in North American industrial settings.

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 3066386 or contact our technical team for cross-reference assistance with compatible NPGF series components.