Part of the Schneider Electric Acti9 series, the A9N21579 is a 3-pole miniature circuit breaker designed for robust overcurrent protection in demanding electrical systems. This device is engineered to safeguard circuits against short circuits and overloads, ensuring operational continuity and equipment safety in both industrial and commercial environments. Its C tripping curve provides a balance between protection and nuisance tripping, making it suitable for a wide range of inductive loads.

Technical details

• Series: Acti9
• Poles: 3P (3-Pole)
• Rated Current: 25A
• Tripping Curve: C curve
• Voltage Rating: Low Voltage (specific voltage rating requires datasheet verification)
• Interrupting Capacity: (Requires datasheet verification)
• Terminal Type: (Requires datasheet verification)
• Mounting Type: DIN Rail Mount (standard for this product type, but requires datasheet verification)

Applications & compatibility

The Schneider Electric A9N21579 is commonly deployed in distribution boards and control panels for protecting circuits in machinery, lighting systems, and power distribution networks. Its C curve characteristic makes it particularly well-suited for applications with moderate inrush currents, such as those found in motor control circuits, solenoid valves, and certain types of lighting ballasts. This breaker is a reliable component for ensuring the safety and integrity of electrical installations in manufacturing facilities, commercial buildings, and infrastructure projects.

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 A9N21579 or contact our technical team for cross-reference assistance with compatible Acti9 components.