The Schneider Electric Acti9 NG125L Miniature Circuit Breaker (MCB) is engineered for robust protection in low-voltage electrical distribution systems. This single-pole (1P) device, identified by part number 18748, features a 63A rated current and a B tripping curve, making it suitable for applications requiring rapid response to overcurrents. Its design prioritizes reliable circuit interruption in demanding industrial environments.

Technical details

• Series: Acti9 NG125L
• Poles: 1P (Single Pole)
• Rated Current: 63A
• Tripping Curve: B Curve
• Voltage Rating: Confirm with manufacturer datasheet (typically 230/400V AC for this series)
• Breaking Capacity: Confirm with manufacturer datasheet (e.g., 10kA, 15kA, 25kA, 36kA)
• Frequency: 50/60 Hz
• Terminal Type: Screw terminals
• Mounting Type: DIN rail

Applications & compatibility

This Schneider Electric MCB is commonly deployed in commercial and industrial facilities to safeguard circuits in lighting systems, control panels, and general power distribution. It is compatible with standard DIN rail mounting systems and is designed to integrate seamlessly into existing Acti9 distribution boards and switchgear assemblies.

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 18748 or contact our technical team for cross-reference assistance with compatible Acti9 components.