The Schneider Electric A9F74440 is a 4-pole miniature circuit breaker (MCB) from the Acti9 series, engineered for robust protection in low-voltage electrical distribution systems. This MCB is specifically designed to safeguard circuits against damaging overcurrent conditions, including short circuits and overloads, ensuring operational continuity and equipment safety in demanding industrial environments. Its 40A rating makes it suitable for managing significant electrical loads.

Technical details

• Series: Acti9
• Poles: 4
• Current Rating: 40 A
• Tripping Curve: C Curve (designed for inductive loads with moderate inrush currents)
• Voltage Rating: Not explicitly specified in provided information; consult manufacturer datasheet for precise AC/DC voltage ratings.
• Breaking Capacity: Not explicitly specified in provided information; consult manufacturer datasheet for precise Icn/Icu ratings.
• Terminal Type: Not explicitly specified in provided information; consult manufacturer datasheet for details.
• Mounting Type: DIN rail mount (standard for MCBs)

Applications & compatibility

This Schneider Electric Acti9 MCB is commonly deployed in control panels, power distribution boards, and machinery requiring reliable overcurrent protection. Its C-curve characteristic makes it well-suited for applications with moderate inductive loads, such as motor control circuits, lighting systems, and general power distribution in manufacturing facilities, building automation, and process control 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 A9F74440 or contact our technical team for cross-reference assistance with compatible Acti9 components.