Schneider C125H420FM | Circuit breaker, ComPacT NS1250H, 70kA at 415VAC, 4P, fixed, manually operated, MicroLogic 2.0 control unit, 1250A

Technical Specifications:

• Manufacturer: Schneider Electric

• Model Number: C125H420FM

• Product Family: ComPacT NS1250H

• Type: Molded Case Circuit Breaker (MCCB)

• Rated Current (In): 1250 Amperes

• Number of Poles: 4 (3 phases + Neutral)

• Breaking Capacity (Icu): 70 kA at 415 VAC

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

• Rated Insulation Voltage (Ui): 800 V AC

• Trip Unit: MicroLogic 2.0 electronic trip unit

• Installation Type: Fixed version

• Operation Mode: Manual (toggle handle)

• Protection Functions: Overload, short-circuit with adjustable thresholds

• Compliance: IEC 60947-2

• Mounting Position: Vertical or horizontal, front-connected

• Environmental Resistance: Suitable for harsh and demanding conditions

Key Features:

• High fault-breaking capacity of 70kA ensures system protection during major short circuits.

• MicroLogic 2.0 trip unit offers adjustable settings for customized protection levels.

• 4-pole design supports complete line and neutral protection in power distribution networks.

• Compact structure allows for high-performance protection in space-constrained panels.

• Manual operation simplifies maintenance and local control without complex automation.

Typical Applications:

1. Main incoming protection for large industrial control panels.

2. Power distribution boards in critical infrastructure facilities like airports and hospitals.

3. Heavy-duty motor control centers (MCCs) requiring precise electronic trip settings.

4. Renewable energy and data centers that demand high fault-level resilience.

5. High-rise buildings needing reliable and centralized circuit protection.