The Schneider Electric NG125L 4P B 40A 50kA circuit breaker is a four-pole molded case circuit breaker designed for robust electrical protection in industrial environments. This breaker is part of the NG125 series, engineered to safeguard electrical circuits from overcurrents and short circuits. Its B-curve tripping characteristic indicates a lower sensitivity to inrush currents, making it suitable for applications where moderate starting currents are expected.

Technical details

• Series: NG125
• Poles: 4
• Trip Curve: B
• Current Rating: 40 Amperes
• Short Circuit Current Rating (Icu): 50 kA
• Voltage Class: Typically rated for 400/415V AC, though buyers should verify specific voltage requirements against the manufacturer's datasheet.
• Mounting Type: DIN rail mountable.
• Terminal Type: Screw terminals for secure connections.

Applications & compatibility

This NG125L circuit breaker is commonly deployed in distribution boards and control panels for protecting circuits in commercial buildings, manufacturing facilities, and data centers. It is suitable for applications requiring reliable overcurrent protection for lighting circuits, socket outlets, and smaller motor loads where a B-curve is appropriate.

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 NG125L 4P B 40A 50kA circuit breaker or contact our technical team for cross-reference assistance with compatible NG125 series components.