The Schneider Electric Acti9 NG125L MCB (Miniature Circuit Breaker) is a single-pole, low-voltage protection device engineered for robust electrical system safety. Identified by manufacturer part number 18837, this breaker is a component within the Acti9 series, designed for reliable circuit interruption in demanding industrial environments. Its construction prioritizes dependable performance in applications requiring precise current management.

Technical details

• Series: Acti9 NG125L
• Type: Miniature Circuit Breaker (MCB)
• Poles: 1P (Single Pole)
• Rated Current: 63A
• Voltage Rating: Verify against manufacturer datasheet for specific voltage class (e.g., 230V/400V AC).
• Breaking Capacity: Verify against manufacturer datasheet for specific Icn/Icu rating.
• Trip Curve: Verify against manufacturer datasheet for specific curve (e.g., C, D).
• Connection Type: Verify against manufacturer datasheet for terminal type and size.
• Mounting: DIN rail mount

Applications & compatibility

This 63A single-pole MCB is suitable for protecting individual circuits in a wide range of industrial settings. Common applications include control panels, motor circuits, lighting circuits, and general power distribution within manufacturing facilities, automation systems, and building management systems. It is designed to integrate seamlessly into standard electrical distribution boards.

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 18837 or contact our technical team for cross-reference assistance with compatible Acti9 components.