NB1 63 CHINT Miniature Circuit Breakers

NB1-63 CHINT Miniature Circuit Breakers (MCB) are used in domestic installation, as well as in commercial and industrial electrical distribution systems. Protection of circuits against short-circuit currents, protection of circuits against overload currents, switch, isolation.

Tripping C curve (5-10In): protection for resistive and inductive loads with low inrush current.

1-pole, AC, 13A, C-curve, fork-type busbar connection from below
6kA, IEC/EN 60898-1, 10kA; (Icu=10kA IEC/EN 60947-2)

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  • Protection: High-quality circuit breaker with low voltage protection. it can be used as a replacement for the old or broken one.
  • Widely applications: Widely used in circuit breakers, mini miniature motors, din rails, electric cars, etc.
  • Good material: Made of high-quality abs material, sturdy and durable. it is not easy to deform or break.


Rated current In: 13 A

Poles: 1P

Rated voltage Ue: 230/400~240/415 V

Insulation voltage Ui: 500 V

Rated frequency: 50/60 Hz

Rated breaking capacity: 6 kA

Energy limiting class: 3

Rated impulse withstand voltage(1.2/50) Uimp: 4000 V

Dielectric test voltage at ind. Freq. for 1 min: 2 kV

Thermo-magnetic release characteristic: C

Electrical life: 4 000

Mechanical life: 20 000

Protection degree: IP20

Ambient temperature (with daily average≤35℃): -5…+40 ℃

Storage temperation: -25…+70 ℃

Terminal connection type: Cable/U-type busbar/Pin-type busbar

Mounting: On DIN rail EN 60715 (35mm) by means of fast clip device

Connection: From top and bottom

Auxiliary contact: Yes

Shunt release: Yes

Under voltage release: Yes

Alarm contant: Yes