NB1-63H 4 Pole D Curve MCB l Chint

Product Summary:
The Chint NB1-63H 4 Pole D Curve MCB offers reliable circuit protection against overload and short circuits. Designed as per IEC/EN standards with high breaking capacity, it is ideal for both residential and industrial use.

Key Features:

• 4 Pole, D Curve – suitable for high inrush current loads

• High breaking capacity for enhanced protection

• IEC/EN 60898-1 compliant for global safety standards

• Suitable for 50/60Hz operation

• Quick and easy DIN rail mounting

• Available in various rated currents (6A to 63A)

• Compact design saves panel space

• Flame-retardant housing for added safety
  
  

Applications:

• Residential distribution boards

• Industrial and commercial panels

• Control cabinets

• HVAC systems

• Heavy machinery with high start-up current

• Lighting and motor circuits

• Renewable energy installations
  
  

Product Benefits:

• Reliable protection against overload and short circuits

• Ensures safe operation of heavy-duty equipment

• Suitable for circuits with high inrush currents (motors, compressors)

• Flexible installation with DIN rail compatibility

• Compact and durable for long-term use

• Globally recognized quality and standards
  
  

FAQs:

Q1: What does D Curve mean in an MCB?
A1: D Curve MCBs trip between 10–20 times the rated current, making them ideal for high inrush loads like motors.

Q2: Can I use NB1-63H 4P MCB in residential applications?
A2: Yes, it’s suitable for both residential and industrial panels requiring high surge handling.

Q3: Is this MCB compliant with international standards?
A3: Yes, it meets IEC/EN 60898-1 standards for circuit breakers.