

What does the NBG-63 Miniature Circuit Breaker protect against?
It protects electrical circuits from overload and short-circuit faults, preventing damage to wiring and equipment.
What are the available tripping curve options?
The NBG-63 is available in B, C, and D curves — B for resistive loads (e.g., lighting), C for mixed or inductive loads (e.g., motors), and D for heavy inductive or high inrush current applications.
What is the rated short-circuit breaking capacity of the NBG-63?
It features a breaking capacity of 6kA, ensuring dependable performance in low-voltage systems.
In what applications can the NBG-63 be used?
The breaker is ideal for residential, commercial, and industrial distribution boards and control systems, providing safe and efficient protection for various load types
How long does the NBG-63 last?
It’s designed for 20,000 mechanical and 10,000 electrical operations, guaranteeing long-term reliability in demanding environments.