The Schneider Electric A9N18478 is a 4-pole miniature circuit breaker from the Acti9 C120H series. This device is engineered for robust electrical distribution and protection in demanding environments. Its design facilitates reliable safeguarding against overcurrent conditions, including short circuits and overloads, making it a critical component in various industrial power systems.

Technical details

• Series: Acti9 C120H
• Number of Protected Poles: 4
• Tripping Curve: C
• Application: Short circuit and overload protection
• Voltage Rating: Verify with manufacturer datasheet for specific voltage class (e.g., 230/400V AC)
• Current Rating: Verify with manufacturer datasheet for specific amperage (e.g., 10A, 16A, 20A, etc.)
• Breaking Capacity: Verify with manufacturer datasheet for specific kA rating
• Mounting Type: DIN rail mount

Applications & compatibility

This Acti9 C120H circuit breaker is commonly deployed in commercial and industrial electrical distribution panels. It is suitable for protecting circuits in applications such as motor control, lighting systems, and general power distribution within manufacturing facilities, data centers, and building management systems.

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 A9N18478 or contact our technical team for cross-reference assistance with compatible Acti9 components.