The Schneider Electric Square D 18426 is a 3-pole miniature circuit breaker designed for robust electrical protection in three-phase industrial systems. This specific model features a 125A current rating and adheres to a B-curve tripping characteristic, ensuring rapid response to overcurrent events. It is commonly integrated into control panels and distribution boards for machinery and equipment requiring reliable circuit interruption.

Technical details

• Series: Square D
• Poles: 3
• Current Rating: 125A
• Tripping Curve: B-curve
• Voltage Rating: Verify with manufacturer datasheet (typically 240/415VAC for this series)
• Interrupting Capacity: Verify with manufacturer datasheet
• Terminal Type: Verify with manufacturer datasheet
• Mounting Type: DIN rail mount (standard for this series)

Applications & compatibility

This Schneider Electric Square D circuit breaker is suitable for protecting circuits in a wide range of industrial applications, including motor control centers, power distribution units, and control panels for manufacturing equipment. Its B-curve characteristic makes it ideal for circuits with low inrush currents, such as lighting or control circuits, and where rapid fault clearing is paramount.

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 18426 or contact our technical team for cross-reference assistance with compatible Square D components.