Part of the Schneider Electric Acti9 C120N series, the A9N18390 is a 4-pole miniature circuit breaker engineered for robust electrical distribution in residential and small commercial settings. This device is specifically designed to protect circuits from overcurrents and short circuits, ensuring operational safety and equipment longevity. Its construction adheres to stringent international standards for reliable performance in demanding environments.

Technical details

• Series: Acti9 C120N
• Poles: 4
• Current Rating: 63A at 30°C
• Tripping Curve: D (suitable for high inrush current applications)
• Breaking Capacity (Icn): Up to 10,000A at 230...400 V AC
• Compliance Standards: IEC/EN 60898-1
• Voltage Rating: 230...400 V AC
• Terminal Type: Screw terminals for secure connections

Applications & compatibility

The Schneider A9N18390 is commonly deployed in electrical distribution panels for residential buildings, small offices, and light industrial facilities. Its D-curve characteristic makes it particularly well-suited for protecting circuits feeding equipment with significant starting currents, such as motors, transformers, and lighting systems. This breaker ensures reliable protection without nuisance tripping in applications where transient inrush currents are expected.

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 A9N18390 or contact our technical team for cross-reference assistance with compatible Acti9 series components.