Chint NXM-400S/3300 400A Three-Pole MCCB – Reliable Circuit Protection

The Chint NXM-400S/3300 400A Three Pole Moulded Case Circuit Breaker (MCCB) is engineered for high-performance power distribution and protection in industrial and commercial settings. Designed with advanced electromagnetic and thermomagnetic tripping mechanisms, this MCCB ensures precise protection against overloads and short circuits, maintaining system stability.

With a breaking capacity of 6 kA, a rated voltage ranging from 230V to 690V, and a rated current between 250A and 400A, this MCCB offers versatile and adaptable circuit protection. Manufactured in Zhejiang, China, by Chint, a global leader in electrical solutions, the NXM-400S/3300 MCCB guarantees durability, reliability, and long service life.

Why Choose the Chint NXM-400S/3300 400A MCCB?

High Breaking Capacity (6 kA – 50 kA) – Ensures superior circuit protection
Versatile Voltage Range (230V – 690V) – Suitable for various electrical setups
Durable Construction – Made from plastic, metal, and copper for enhanced longevity
Three-Pole Design – Provides efficient load balancing and safety
Long Electrical Life – Performs up to 10,000 operations
Temperature Resistant – Operates reliably in extreme conditions (-35℃ to 70℃)
Flexible Installation Options – Available in fixed and plug-in mounting styles
Certified for Safety & Quality – Meets global standards (CCC, IEC)

Technical Specifications – Chint NXM-400S/3300 400A MCCB

Specification	Details
Brand	Chint
Model	NXM-400S/3300 400A
Breaking Capacity	6 kA – 50 kA
Number of Poles	Three Pole
Rated Voltage	230V/240V, 400V/415V, 500V, 690V
Rated Current	250A – 400A
Rated Frequency	50Hz / 60Hz
Protection Level	IP30
Tripping Action Mode	Electromagnetic / Thermomagnetic
Installation Method	Fixed / Plug-in
Material	Plastic, Metal, Copper
Electrical Life	10,000 Operations
Temperature Range	-35℃ to 70℃
Place of Origin	Zhejiang, China
Packaging	Single Package (25 × 20 × 16 cm)
Weight	5.5 kg

Best Applications for Chint NXM-400S/3300 MCCB

This versatile MCCB is ideal for:
Industrial Facilities & Factories – Ensures safe power distribution for heavy-duty machinery
Commercial Buildings & Offices – Protects electrical circuits from overloads & faults
Data Centers & IT Infrastructure – Maintains stable power supply & equipment protection
Power Plants & High-Voltage Systems – Designed for large-scale energy management