Product Description:
The CHINT NXM-1000H/3300 3-Pole 1000A MCCB is designed to deliver maximum protection for high-power three-phase systems in industrial, commercial, and infrastructure environments. Housed in the NXM-1000 frame, it provides 1000A of rated current with a robust short-circuit breaking capacity of 50kA at 230V and 36kA at 400V.

This MCCB features a fixed thermal-magnetic trip unit for overload and short-circuit protection, making it ideal for main power feeders, heavy-duty motor control centers, and generator circuits. The 3-pole design ensures efficient protection across all live phases in standard 3-phase applications.

Key Features:

• ✅ Rated Current: 1000A

• ✅ Poles: 3P (Three-phase)

• ✅ Breaking Capacity: 50kA @ 230V / 36kA @ 400V

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

• ✅ Trip Unit: Fixed thermal-magnetic

• ✅ Push-to-Trip Test Function

• ✅ Frame: NXM-1000 – High-current industrial frame

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

Technical Specifications:

• Model: NXM-1000H/3300

• Rated Current (In): 1000A

• Poles: 3P

• Rated Insulation Voltage (Ui): 800V

• Impulse Withstand Voltage (Uimp): 8kV

• Rated Operating Voltage (Ue):

  • 230V: 50kA

  • 400V: 36kA

  • 415V: 36kA

• Breaking Capacity (Icu/Ics):

  • 230V: 50kA / 30kA

  • 400V: 36kA / 20kA

• Frequency: 50Hz / 60Hz

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

• Mounting Style: Fixed, front connection

• Trip Type: Thermal-magnetic (non-adjustable)

Applications:

• Main distribution feeders

• Power generation and backup systems

• Heavy industrial equipment

• Motor control centers

• Utility and energy plants

• Transformer protection