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Moulded Case Circuit Breakers
  • NSX 250A 4P Rotary Handle Power Electrical Circuit Breaker Mccb
  • NSX 250A 4P Rotary Handle Power Electrical Circuit Breaker Mccb
  • NSX 250A 4P Rotary Handle Power Electrical Circuit Breaker Mccb
  • NSX 250A 4P Rotary Handle Power Electrical Circuit Breaker Mccb
  • NSX 250A 4P Rotary Handle Power Electrical Circuit Breaker Mccb
  • NSX 250A 4P Rotary Handle Power Electrical Circuit Breaker Mccb
NSX 250A 4P Rotary Handle Power Electrical Circuit Breaker Mccb

NSX 250A 4P Rotary Handle Power Electrical Circuit Breaker Mccb

$36.36-$39.16/ Piece|4 Piece/Pieces(Min. Order)

Customization:

Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 100 pieces）
View product details

NSX 250A 4P Rotary Handle Power Electrical Circuit Breaker Mccb

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Overcurrent Protection: Safeguards electrical systems by interrupting circuits during overloads or short circuits via thermal magnetic/electronic release mechanisms.
  • High Current Handling: Rated for 250A with a 50kA breaking capacity, ensuring reliability in high-demand applications requiring robust power distribution.

Key features

  • 1. Advanced Material Technology for Industrial Durability

    • With a robust molded plastic case design, the CNSX 250N ensures long-term reliability in harsh industrial environments, resisting mechanical stress and corrosion better than non-molded alternatives. Disclaimer: Performance may vary based on installation conditions.

  • 2. Electronic Trip Unit for Customizable Protection

    • With an electronic trip unit technology, you can program precise overcurrent protection settings, offering 50% faster response times compared to traditional thermal-magnetic only models. Disclaimer: Response time data based on SSPD laboratory testing.

  • 3. Industry-Leading Breaking Capacity

    • With a 50kA breaking capacity, it safely interrupts extreme fault currents 25% higher than standard 40kA models, safeguarding critical electrical systems during surges. Disclaimer: Breaking capacity validated under IEC 60947-2 standards.

  • 4. Versatile Current Adaptability

    • With adjustable rated current options from 125A to 250A, it seamlessly adapts to diverse load demands, eliminating the need for multiple breakers in mixed-industry applications. Disclaimer: Current ratings require professional calibration.

  • 5. Global Compliance Certifications

    • With CB and CE certifications, it meets rigorous international safety and quality standards, ensuring compatibility with commercial and industrial installations worldwide. Disclaimer: Certifications apply to standard configurations only.

Product details

NSX 250A 4P Rotary Handle Power Electrical Circuit Breaker Mccb

The SSPD NSX 250A 4P Rotary Handle Power Electrical Circuit Breaker (MCCB) is a robust industrial-grade solution designed for high-current applications. With a 50kA breaking capacity and 250A rated current, it ensures reliable overcurrent protection in demanding environments. Its electronic trip unit and thermal-magnetic release provide precise fault detection, while the 4-pole design supports multi-phase systems.

Technical specifications

FeatureSpecificationBenefit
Breaking Capacity50kAProtects against extreme fault currents
Rated Current250ASupports high-power industrial systems
Rated Voltage690VEnsures compatibility with high-voltage setups
Trip Unit TechnologyElectronicEnables precise, adjustable trip settings
Release TypeThermal Magnetic/ElectronicCombines speed and accuracy for fault interruption
Poles4PIdeal for three-phase + neutral systems
CertificationsCB, CEMeets global safety and quality standards

Customization guide

Adjustable current settings (up to 250A) and trip curves (e.g., TM 250 D) allow customization to match specific system requirements. The electronic trip unit supports programmable thresholds for tailored protection.

Get inspired

With its compact molded plastic design and industrial-grade durability, the NSX 250A MCCB is perfect for factories, data centers, and commercial buildings. Its electronic trip unit ensures faster response times than traditional thermal-only models, reducing downtime risks.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Breaking Capacity50kA+15% (57.5kA)+30% (65kA)*
Trip Unit PrecisionStandardEnhanced (±5%)Premium (±2%)
Remote MonitoringN/AOptionalBuilt-in
Rated Current Range250A fixedAdjustable (200–250A)Adjustable (150–250A)

Supplier's note

  1. Three Technical Breakthroughs:

    • 50kA Breaking Capacity: Outperforms industry benchmarks (typically 40kA) for extreme fault protection.
    • Electronic Trip Unit: Offers 20% faster response than thermal-only models, minimizing downtime.
    • 4-Pole Design: Ensures balanced protection in complex multi-phase systems.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard industrial applications requiring 250A protection.
    • Advanced Model: Recommended for systems needing adjustable current settings (e.g., data centers with fluctuating loads).
    • Pro Model: Best for critical infrastructure (e.g., hospitals, power grids) demanding remote monitoring and broad current adaptability.

*Pro Model’s 65kA capacity exceeds industry standards by 62.5%, ensuring unmatched reliability in high-risk scenarios.

Frequently asked questions

  • Which SSPD MCCB model is best suited for industrial facilities requiring 250A current handling?

  • Is the SSPD CNSX 250N compliant with international safety standards?

  • How does the molded plastic housing of the SSPD CNSX 250N enhance durability compared to metal enclosures?

  • Can the SSPD CNSX 250N’s current rating be adjusted for specific applications?

  • What maintenance steps are critical for the SSPD CNSX 250N in high-demand industrial settings?

  • Why is the 50kA breaking capacity of the SSPD CNSX 250N critical for commercial applications?

  • How does the electronic trip unit in the SSPD CNSX 250N improve overcurrent protection?

  • Is the SSPD CNSX 250N suitable for both commercial and industrial environments?

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