The Schneider Electric Acti9 NG125N miniature circuit breaker, identified by part number 18663, is a robust 3-pole device engineered for low-voltage electrical distribution systems. This breaker provides essential protection against overcurrent conditions, including overloads and short circuits, safeguarding sensitive equipment and personnel. Its design is optimized for reliable performance in demanding industrial environments.

Technical details

• Series: Acti9 NG125N
• Number of poles: 3
• Tripping curve: B
• Rated voltage: Not specified; verify against manufacturer datasheet for specific voltage class (e.g., 230/400V AC).
• Rated current: Not specified; verify against manufacturer datasheet for specific amperage rating.
• Breaking capacity: Not specified; verify against manufacturer datasheet for specific Icn rating.
• Terminal type: Screw terminals
• Mounting type: DIN rail
• Operating temperature range: Not specified; verify against manufacturer datasheet.

Applications & compatibility

This miniature circuit breaker is commonly deployed in electrical panels for commercial buildings, manufacturing facilities, and control cabinets. It is suitable for protecting circuits in applications such as lighting systems, power distribution for machinery, and control circuits where a B-curve tripping characteristic is required for sensitive equipment or specific load types.

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 18663 or contact our technical team for cross-reference assistance with compatible Acti9 components.