NB1-63H 3 Pole C Curve MCB – Chint

 Product Summary:
Chint NB1-63H is a 3-pole miniature circuit breaker with C Curve tripping characteristic, ideal for industrial and commercial electrical distribution systems. It ensures protection against overloads and short-circuits while offering isolation and switching functions.

🔸 Key Features:

• 3-Pole, C Curve (5–10In) for inductive/resistive loads

• Rated current up to 63A

• Breaking capacity: 6kA / 10kA

• Compact DIN rail mounting

• IEC compliant

• Suitable for industrial, commercial, and residential circuits

• Long mechanical and electrical life

• Clear ON/OFF indication
  
  

🔸 Applications:

• Electrical distribution boards

• HVAC and industrial machinery panels

• Lighting and power circuits in commercial buildings

• Residential protection panels

• Switchgear assemblies
  
  

🔸 Product Benefits:

• Prevents damage from overloads and short circuits

• Supports stable load management for inductive devices

• Ensures quick fault isolation

• Easy installation with standard DIN rail compatibility

• Certified for international use
  
  

FAQs:

Q1: What is the C Curve in NB1-63H MCB used for?
A1: The C Curve provides protection for resistive and inductive loads with moderate inrush currents, typically used in industrial circuits.

Q2: Can this MCB be used in residential panels?
A2: Yes, NB1-63H is suitable for residential as well as commercial and industrial applications.

Q3: What is the breaking capacity of NB1-63H?
A3: It offers a breaking capacity of up to 10kA, depending on model and region.