Product Description:
Designed for high-demand industrial and commercial electrical systems, the CHINT NXM-630S/4300 600A MCCB offers robust protection and long-lasting performance. Rated for 600A, this molded case circuit breaker ensures safe and efficient power control in applications ranging from factory floors to infrastructure-grade switchboards.

With a breaking capacity of 50kA at 230V and 36kA at 400V, this 3-pole breaker is built for critical power distribution networks. It features a thermal-magnetic trip unit and a durable NXM-630 frame, while complying fully with IEC/EN 60947-2 international standards.

Key Features:

• ✅ Rated Current: 600A

• ✅ Breaking Capacity: 50kA (230V), 36kA (400V/415V)

• ✅ Voltage Rating: Up to 800V AC (Ui)

• ✅ Fixed Thermal-Magnetic Trip Unit

• ✅ 3P Configuration – Three-phase protection

• ✅ Push-to-Trip Test Button

• ✅ Certifications: CE, KEMA, EAC, IEC 60947-2 compliant

• ✅ Sturdy NXM-630 Frame Size – Ideal for high-load systems

Technical Specifications:

• Model: NXM-630S/4300

• Rated Current (In): 600A

• Rated Insulation Voltage (Ui): 800V

• Impulse Voltage (Uimp): 8kV

• Rated Frequency: 50/60Hz

• Rated Operating Voltage (Ue):

  • 230V: 50kA

  • 240V: 50kA

  • 400V: 36kA

  • 415V: 36kA

• Breaking Capacity (Icu/Ics):

  • 230/240V: 50kA / 30kA

  • 400/415V: 36kA / 20kA

• Operating Temperature: -25°C to +70°C

• Mounting Type: Fixed (front-connected)

• Standard Compliance: IEC/EN 60947-2

Applications:

• High-load industrial equipment

• Main distribution panels

• Generators and transformers

• Commercial facility protection

• Electrical substations

• HVAC and motor control centers