Schneider C125N420FM | Circuit breaker, ComPacT NS1250N, 50kA at 415VAC, 4P, fixed, manually operated, MicroLogic 2.0 control unit, 1250A

Technical Specifications C125N420FM

• Brand: Schneider Electric

• Product Code: C125N420FM

• Series: ComPacT NS1250N

• Rated Current (In): 1250 Amperes

• Number of Poles: 4P (Three-phase + Neutral)

• Rated Breaking Capacity (Icu): 50kA at 415 VAC

• Rated Operational Voltage (Ue): Up to 690 V AC

• Rated Insulation Voltage (Ui): 800 V AC

• Control Unit Type: MicroLogic 2.0 (electronic trip unit)

• Mounting: Fixed version

• Operation Mode: Manual (Toggle Handle)

• Protection Functions: Overload, Short Circuit (adjustable via MicroLogic)

• Conformity Standards: IEC 60947-2

• Mechanical Life: High durability for demanding applications

• Installation Orientation: Vertical or horizontal mounting

Main Features  C125N420FM

• MicroLogic 2.0 unit provides intelligent, electronic-based protection with adjustable settings.

• Compact frame for space-saving in electrical panels.

• Fixed mounting allows cost-effective installation and stable performance.

• Four-pole construction guarantees full circuit disconnection, including neutral line.

• High fault interruption rating (50kA) ensures system safety in critical applications.

Typical Applications:

• Main incoming breaker in low-voltage distribution boards.

• Commercial buildings such as malls, hospitals, and office complexes.

• Industrial motor control centers and automation panels.

• Data centers and telecom facilities where downtime is not an option.

• Heavy-duty machinery and large power equipment needing stable protection.