NS Molded Case Circuit Breaker

NS Molded Case Circuit Breaker

NS Molded Case Circuit Breaker is equipped with a micro logic control unit that can be changed on site, control units are designed to protect power circuits and loads, alarms may be programmed for remote indications.
Measurements of currents, voltages, frequencies, power and power control continuities of service and energy management, protection thresholds and delays are set using the adjustment dials:
●Overload protection;
●True rms long-time protection;
●Thermal memories for thermal image before and after tripping;

Product Details

NS Circuit Breaker Breif Selection Table

Compact circuit breakers, NS

800N

1000N

1250N

1600N

2000N

Rated current, A

In

At 50℃

800

1000

1250

1600

2000

Ultimate breaking capacity, Icu, kA

AC50/60Hz

220/240V

85

85

85

85

85

380/415V

50

50

50

50

70

440V

50

50

50

50

65

500/525V

40

40

40

40

65

660/690V

30

30

30

30

65

Rated service breaking capacity, Ics, kA

220/240V

50

50

50

50

65

380/415V

50

50

50

50

52

440V

50

50

50

50

65

500/525V

40

40

40

40

65

660/690V

30

30

30

30

65

Endurance, C-O cycles

Mechanical, x1000

10

10

10

10

5

Electrical

440V, x1000

5

5

4

2

2

690V, x1000

2

2

2

1

1

Additional Features

■Setting accuracy may be enhanced by limiting the setting range using a different long-time;

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