The Schneider Electric Acti9 NG125H miniature circuit breaker is engineered for robust protection in demanding electrical distribution systems. This 2-pole device, rated for 63 Amperes, features a C-curve tripping characteristic, making it suitable for applications requiring protection against overcurrents and short circuits with a moderate inrush current capability. Its high breaking capacity of 36 kA, compliant with IEC 60947-2 standards, ensures reliable fault interruption.

Technical details

• Series: Acti9 NG125H
• Number of Poles: 2
• Rated Current: 63 A
• Trip Curve: C
• Breaking Capacity: 36 kA (IEC 60947-2)
• Voltage Rating: Not explicitly specified in provided information; consult manufacturer datasheet for precise voltage compatibility.
• Terminal Type: Not explicitly specified in provided information; consult manufacturer datasheet for terminal details.
• Mounting Type: DIN rail mount (standard for this series)

Applications & compatibility

This circuit breaker is commonly deployed in commercial and industrial electrical panels for the protection of circuits in lighting systems, power distribution boards, and motor control circuits where a C-curve is specified. It is designed to integrate seamlessly into standard DIN rail mounting systems, ensuring compatibility with a wide range of electrical enclosures and distribution 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 18721 Schneider Electric circuit breaker or contact our technical team for cross-reference assistance with compatible Acti9 components.