Chint Circuit Breaker NXB-63S 4P 20A 4.5kA C 4M 296906

Chint circuit breaker comprehensive protection for three-phase systems

The NXB-63S/C20-4P-4.5 circuit breaker offers safe and effective protection against overloads and short circuits in three-phase electrical systems. Due to the tripping curve C, it is suitable for loads with moderate inrush currents, such as motors, switchgear and machinery.

The C curve can tolerate short-duration overcurrents up to five to ten times the rated current and is widely used in domestic systems.

High performance in compact size

This 4-pole, 20 A device operates with a voltage of 400 V and a frequency of 50/60 Hz, ensuring reliability in industrial and tertiary settings. With 4 DIN modules and IP20 degree of protection, it easily integrates into any standard electrical panel.

Certified safety and reliability

The breaking capacity of 4.5 kA, limitation class 3 and impulse voltage of 4 kV make this circuit breaker suitable for protection even in the presence of voltage spikes. Low power dissipation (4.5 W) enables efficient and safe operation.

Compatible with signaling and protection accessories

It can be accessorized with:

• AX-X1 auxiliary contacts

• AL-X1 alarm contacts

• SHT-X1 trip coils

• Minimum voltage coils UVT-X1
  
  

Not compatible with differential modules

Technical Characteristics Circuit Breaker Chint