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Circuit Breakers and Switches, ComPacT NS new generation, Low Voltage Products and Systems, Molded Case Circuit Breakers - MCCBs
Schneider C125H420FM | Circuit breaker, ComPacT NS1250H, 70kA at 415VAC, 4P, fixed, manually operated, MicroLogic 2.0 control unit, 1250A
Schneider C125H420FM | Circuit breaker, ComPacT NS1250H, 70kA at 415VAC, 4P, fixed, manually operated, MicroLogic 2.0 control unit, 1250A
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Delivers robust 1250A current capacity for heavy-duty power systems.
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70kA breaking performance supports high safety in fault-prone environments.
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Smart protection with MicroLogic 2.0 electronic unit for accurate and stable operation.
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4-pole fixed design fits wide-range distribution systems with full-phase safety.
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Trusted by professionals worldwide, backed by Schneider’s engineering excellence.
Description
Schneider C125H420FM | Circuit breaker, ComPacT NS1250H, 70kA at 415VAC, 4P, fixed, manually operated, MicroLogic 2.0 control unit, 1250A
Technical Specifications:
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Manufacturer: Schneider Electric
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Model Number: C125H420FM
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Product Family: ComPacT NS1250H
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Type: Molded Case Circuit Breaker (MCCB)
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Rated Current (In): 1250 Amperes
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Number of Poles: 4 (3 phases + Neutral)
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Breaking Capacity (Icu): 70 kA at 415 VAC
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Rated Operational Voltage (Ue): Up to 690 V AC
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Rated Insulation Voltage (Ui): 800 V AC
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Trip Unit: MicroLogic 2.0 electronic trip unit
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Installation Type: Fixed version
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Operation Mode: Manual (toggle handle)
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Protection Functions: Overload, short-circuit with adjustable thresholds
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Compliance: IEC 60947-2
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Mounting Position: Vertical or horizontal, front-connected
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Environmental Resistance: Suitable for harsh and demanding conditions
Key Features:
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High fault-breaking capacity of 70kA ensures system protection during major short circuits.
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MicroLogic 2.0 trip unit offers adjustable settings for customized protection levels.
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4-pole design supports complete line and neutral protection in power distribution networks.
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Compact structure allows for high-performance protection in space-constrained panels.
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Manual operation simplifies maintenance and local control without complex automation.
Typical Applications:
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Main incoming protection for large industrial control panels.
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Power distribution boards in critical infrastructure facilities like airports and hospitals.
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Heavy-duty motor control centers (MCCs) requiring precise electronic trip settings.
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Renewable energy and data centers that demand high fault-level resilience.
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High-rise buildings needing reliable and centralized circuit protection.
Additional information
| brands | Schneider Electric |
|---|
Specifications
| Range | ComPacT |
|---|---|
| Product name | ComPacT NS new generation |
| Range of product | ComPacT NS630b...1600 new generation |
| Product or component type | Circuit breaker |
| Device application | Distribution |
| Number of poles | 4P |
| Protected poles description | 4D |
| Neutral position | Left |
| [In] rated current | 1250 A at 50 °C |
| [Ue] rated operational voltage | 690 V AC 50/60 Hz |
| Network type | AC |
| Network frequency | 50/60 Hz |
| Suitability for isolation | Yes conforming to EN/IEC 60947-2 |
| Utilisation category | Category B |
| Breaking capacity | 85 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 70 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 65 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 500/525 V AC 50/60 Hz conforming to IEC 60947-2 42 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 |
| Breaking capacity code | H 70 kA 415 V AC |
| Trip unit name | MicroLogic 2.0 |
| Trip unit technology | Electronic |
| Trip unit protection functions | LI |
| Control type | Manually operated |
| Mounting mode | Fixed |
| [Ui] rated insulation voltage | 800 V AC 50/60 Hz conforming to IEC 60947-2 |
|---|---|
| [Uimp] rated impulse withstand voltage | 8 kV conforming to IEC 60947-2 |
| [Ics] rated service breaking capacity | 52 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 52 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 48 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 37 kA at 500/525 V AC 50/60 Hz conforming to IEC 60947-2 31 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 |
| [Icw] rated short-time withstand current | 19.2 kA 1 s conforming to IEC 60947-2 |
| Mechanical durability | 10000 cycles |
| Electrical durability | 2000 cycles at 690 V In 3000 cycles at 690 V In/2 4000 cycles at 440 V In 5000 cycles at 440 V In/2 |
| Power losses | 44 W |
| Mounting support | Backplate |
| Upside connection | Front |
| Downside connection | Front |
| Connection pitch | 70 mm |
| Protection type | L : for overload protection (long time) I : for instantaneous short-circuit protection |
| Trip unit rating | 1250 A at 50 °C |
| Long-time pick-up adjustment type Ir (thermal protection) | Adjustable 9 settings |
| [Ir] long-time protection pick-up adjustment range | 0.4...1 x In |
| Long-time protection delay adjustment type tr | Adjustable 9 settings |
| [tr] long-time delay adjustment range | 12.5…600 s at 1.5 x Ir 0.5…24 s at 6 x Ir 0.7…16.6 s at 7.2 x Ir |
| Thermal memory | 20 mn |
| Instantaneous protection pick-up adjustment type Ii | Adjustable |
| [Ii] instantaneous protection pick-up adjustment range | 1.5...10 x Ir |
| Earth-leakage protection | Without |
| Neutral protection setting | No protection (3D) 0.5 x Ir (3D + N/2) 1 x Ir (4D) |
| Zone selective interlocking ZSI | Without |
| Auxiliary contact composition | 1 NO/NC |
| Local signalling | 4 LEDs (red) for fault indication 1 LED (yellow) for overload |
| Width (W) | 280 mm |
| Height (H) | 327 mm |
| Depth (D) | 147 mm |
| Net weight | 18 kg |
| Standards | EN/IEC 60947-2 |
|---|---|
| Product certifications | IECEE CB Scheme |
| Overvoltage category | III |
| Electrical shock protection class | Class II on front face |
| Pollution degree | 3 conforming to IEC 60947 |
| IP degree of protection | IP40 conforming to IEC 60529 |
| IK degree of protection | IK07 conforming to EN 50102 |
| Ambient air temperature for operation | -25…70 °C |
| Ambient air temperature for storage | -50…85 °C |
| Relative humidity | 0…95 % |
| Operating altitude | 0...2000 m without derating 2000 m...5000 m with derating |
| Unit Type of Package 1 | PCE |
|---|---|
| Number of Units in Package 1 | 1 |
| Package 1 Height | 30.000 cm |
| Package 1 Width | 40.000 cm |
| Package 1 Length | 60.000 cm |
| Package 1 Weight | 16.844 kg |
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