Description
NSX Series Molded Case Circuit Breaker
The NSX Series Molded Case Circuit Breaker (MCCB) is a compact, high-performance circuit protection device designed for industrial and commercial power distribution systems. With a breaking capacity of 36kA and rated current options from 63A to 630A, it provides reliable protection against overloads and short circuits.
Key Features
- Compact Design – Space-saving NSX series design for efficient panel installation
- High Breaking Capacity – 36kA short-circuit breaking capacity for reliable protection
- Thermal-Magnetic Trip Unit – Dual protection against overload and short circuit
- Wide Current Range – 63A / 100A / 160A / 250A / 400A / 630A options
- High Durability – 50,000 mechanical operations for long service life
- IEC Compliant – Meets IEC60947-2 international safety standards
Product Detail

Technical Specifications
| Specification | Value |
|---|---|
| Model Number | NSX |
| Rated Current | 63A / 100A / 160A / 250A / 400A / 630A |
| Rated Voltage | 220-240V / 380-415V |
| Breaking Capacity | 36kA |
| Poles | 3P |
| Trip Unit | Thermal-Magnetic (TM-D) |
| Rated Frequency | 50/60Hz |
| Insulation Voltage | 690V |
| Mounting | Fixed (Backplate) |
| Mechanical Durability | 50,000 cycles |
| Curve Type | B / C / D |
| Color | Black, Green |
| Application | Power Distribution |
Applications
Suitable for power distribution systems in industrial, commercial, and residential buildings. Provides reliable circuit protection for motors, transformers, generators, and distribution networks.










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