(A) NS2-25N Motor Circuit Breaker 20-25A

CHINT NS2-series Manual motor starter, motor protection circuit breaker (MPCB) is electromechanical protection device for the main circuit. NS2 motor starter is used to switch motors ON/OFF manually and to provide fuseless protection against short-circuit, overload and phase failures.

20 – 25A
IEC/EN 60947-2, IEC60947-4-1

Regulating rang of setting current: 20~25 A
Rated current of release: 25 A
Current setting value of instantaneous electromagnetic release Ir: 327 A
Rated insulation voltage Ui: 690 V
Rated operational voltage Ue: 230/240 V, 400/415 V, 440 V, 500 V, 690 V
Rated impulse withstand voltage Uimp: 8000 V
Frequency: 50/60 Hz
Arcing distance: 40 mm
Degree of Protection: IP2L0

Rated ultimate short-circuit breaking capacity Icu (kA)
230/240 V: 50 kA
400/415 V: 15 kA
440 V: 6 kA
500 V: 4 kA
660/690 V: 3 kA

Rated service short-circuit breaking capacity Ics (kA)
230/240 V: 50 kA
400/415 V: 6 kA
440 V: 3 kA
500 V: 3 kA
660/690 V: 2,25 kA

Standard rated power of three-phase motor (kW)
230/240 V: 5,5 kW
400 V: 11 kW
415 V: 11 kW
440 V: 11 kW
500 V: 11 kW
660/690 V: 18,5 kW