描述
CNCHELE NF250-CS 3P 250A 25kA Thermal-Magnetic MCCB – Direct Replacement for Mitsubishi NF250 Series, 380/440V Industrial Circuit Breaker
A high-quality, drop-in replacement solution for Mitsubishi NF250 series MCCBs, engineered to deliver the same industrial-grade performance at a more competitive cost. Designed for three-phase AC 380/440V systems, this 3-pole, 250A breaker ensures critical protection against overloads and short circuits in demanding industrial environments.
Key Specifications
- Model: NF250-CS (CNCHELE Series)
- Poles: 3P (Three-Pole)
- Rated Current (In): 250A
- Breaking Capacity: 25kA @ 380/440V
- Trip Type: Thermal-Magnetic (Overload + Short Circuit Protection)
- Rated Voltage: AC 380/440V
- Frequency: 50/60Hz
- Mounting: Fixed, Panel-Mount (Standard DIN Rail/Plate Installation)
- Certifications: Compliant with IEC 60947-2, GB 14048.2, CE Certified
Why Choose CNCHELE NF250-CS as a Replacement?
✅ 100% Drop-In Compatibility
Identical physical dimensions, connection points, and operational characteristics to the Mitsubishi NF250-CV series. No modifications required for existing panels, cabinets, or retrofitting projects.
✅ Industrial-Grade Reliability
- Silver-alloy contacts and advanced arc-quenching system ensure stable performance under heavy loads.
- Thermal-magnetic trip unit provides precise long-delay overload protection and instantaneous short-circuit tripping, safeguarding motors, cables, and distribution systems.
✅ Cost-Effective Alternative
Get the same level of protection and performance as the original Mitsubishi NF250 series at a significantly lower price point, reducing maintenance and replacement costs without compromising safety.
✅ Wide Industrial Applications
Ideal for use in:
- Factory main distribution panels
- Motor control centers (MCCs) for pumps, fans, and compressors
- Industrial machinery (CNC machines, injection molders, elevators)
- Commercial building electrical systems
- Power distribution in manufacturing plants and warehouses
✅ Built for Durability
Robust molded case construction with IP20 protection, designed to withstand harsh industrial conditions. Mechanical life rated for ≥20,000 operations, ensuring long-term service life.
Technical Highlights
- Thermal Protection: Bimetallic strip-based long-delay tripping to prevent overheating from sustained overloads.
- Magnetic Protection: Instantaneous electromagnetic tripping to clear short-circuit faults in milliseconds, minimizing equipment damage and downtime.
- Universal Compatibility: Works seamlessly with standard 380/440V 50/60Hz industrial power systems, making it suitable for global installations.
Short Version (For Quick Listing)
CNCHELE NF250-CS 3P 250A MCCB – Direct replacement for Mitsubishi NF250 series. 25kA breaking capacity, thermal-magnetic trip, 380/440V 50/60Hz. Industrial-grade protection for motors, distribution panels, and machinery. Identical fit, better value.
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