Schneider Electric ComPacT NS1250N – 4P 1250A Circuit Breaker, 50kA at 415VAC
Product Description
The Schneider Electric ComPacT NS1250N (C125N420FM) is a 4-pole molded case circuit breaker (MCCB) from the new generation ComPacT NS630bN to NS3200 range.
Designed for distribution protection in industrial and commercial applications, this breaker combines compact design, reliability, and advanced functionality. It delivers a rated current of 1250A and a breaking capacity of 50kA at 415V AC, ensuring safe and continuous power supply.
This fixed, manually operated breaker integrates the MicroLogic 2.0 electronic trip unit, offering long-time (L) and instantaneous (I) protection with adjustable settings for precise system coordination.
Key design improvements include:
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Transparent front cover for clear auxiliary visibility
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Ergonomic toggle with optional LED trip status indicator
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Wireless ZigBee auxiliary contact (OF/SD) compatibility
Part of the EcoStruxure Power architecture, the NS1250N supports modern, sustainable energy management while being compliant with IEC 60947-1 and IEC 60947-2 standards.
Technical Specifications
Main
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Brand: Schneider Electric
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Range: ComPacT NS (new generation)
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Model: NS1250N (C125N420FM)
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Poles: 4P (4D protected, neutral left)
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Rated Current (In): 1250A at 50°C
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Operational Voltage (Ue): 690V AC, 50/60Hz
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Breaking Capacity (Icu):
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85kA at 220/240V AC
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50kA at 380/415V AC
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50kA at 440V AC
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40kA at 500/525V AC
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30kA at 660/690V AC
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Breaking Capacity Code: N (50kA @ 415V AC)
Trip Unit
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Type: MicroLogic 2.0
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Technology: Electronic
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Functions: Long-time (L), Instantaneous (I)
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Adjustable Settings: Overload & short-circuit protection
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Neutral Protection Options: No protection (3D), 0.5xIr, or full 1xIr
Design & Operation
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Control: Manually operated (ON/OFF/Push-to-trip)
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Mounting: Fixed, backplate support
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Mechanical Durability: 10,000 cycles
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Electrical Durability: 2,000–5,000 cycles depending on load
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Local Signaling:
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4 fault LEDs (red)
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1 overload LED (yellow)
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Dimensions & Weight
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Height: 327 mm
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Width: 280 mm
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Depth: 147 mm
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Net Weight: 18 kg
Environment
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Standards: IEC 60947-1 / IEC 60947-2
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Certifications: IECEE CB Scheme
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Degree of Protection: IP40 (front), IK07
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Operating Temp: -25°C to +70°C
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Storage Temp: -50°C to +85°C
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Relative Humidity: 0–95%
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Altitude: Up to 5000m (derating above 2000m)
Why Choose Schneider Electric ComPacT NS1250N (4P)?
✅ 4-pole protection for neutral-inclusive applications
✅ 1250A rating with 50kA breaking capacity at 415V AC
✅ MicroLogic 2.0 trip unit with adjustable overload & short-circuit settings
✅ Neutral protection flexibility (0, 0.5xIr, or full)
✅ Ergonomic design with transparent cover & LED indicators
✅ Durable & compact – up to 10,000 mechanical operations
✅ EcoStruxure-ready for smart energy management
Call to Action
Ensure maximum protection for your power distribution with the Schneider Electric ComPacT NS1250N (C125N420FM) 4P MCCB.
Order today for reliable, IEC-compliant circuit protection.
Contact Us
📧 Email: [email protected]
