The Schneider Electric Acti9 NG125L miniature circuit breaker, identified by part number 18859, provides robust low-voltage electrical protection for four-pole circuits. This breaker is engineered for reliable performance in demanding industrial environments, offering essential safety and operational continuity for electrical distribution systems.

Technical details

• Series: Acti9 NG125L
• Poles: 4P (Four Pole)
• Rated Current: 20A
• Tripping Curve: D Curve
• Voltage Rating: Typically designed for low-voltage AC applications; specific voltage class should be verified against manufacturer datasheet.
• Breaking Capacity: Information not explicitly provided in listing; consult manufacturer datasheet for detailed specifications.
• Terminal Type: Screw terminals, suitable for standard wiring practices.
• Mounting Type: DIN rail mountable for easy integration into standard electrical enclosures.
• Operating Temperature Range: Standard industrial operating temperatures; refer to manufacturer specifications for precise limits.

Applications & compatibility

This Schneider Electric circuit breaker is commonly deployed in industrial control panels, power distribution units, and machinery requiring reliable overcurrent and short-circuit protection. Its D-curve characteristic makes it suitable for applications with high inrush currents, such as motor control circuits found in conveyor systems, pump stations, and manufacturing equipment.

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 18859 or contact our technical team for cross-reference assistance with compatible Acti9 components.