Compact Molded Case Circuit Breakers

Compact NSX series molded case circuit breakers are the next generation circuit breakers, are used for protection and management of LV electrical installations with the following characteristics:
■ Standard applications of industries, buildings, and infrastructures;
■ Specific applications of demanding high performance at controlled cost, marine, oil, gas extraction and processing mining operations, metals and mineral production, and data centers etc;
■ Motor protections;
■ Control and isolation of using switching dis-connectors;
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Data Sheet
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Selection table and technical data of Compact Molded Case Circuit Breakers, NSX series

Compact circuit breakers, NSX

100N

160N

250N

400N

630N

Rated insulation voltage

Ui

800V

Rated operational voltage

Ue

AC50/60Hz

690V

Rated impulse voltage

Uimp

8kV

Suitability for isolation

IEC 60947-2

Number of poles

3, 4

3, 4

3, 4

3

3

Utilization category

A

Pollution degree

IEC 60664-1

3

Control

Manual

With toggle

With direct handle

Electrical

With remote control

Versions

Fixed

Withdraw

Plug-in base

Chassis

Electrical characteristics as per IEC 60947-2

Rated current, A

In

At 40

100

160

250

400

630

Ultimate breaking capacity, Icu, kA

AC50/60Hz

220/240V

90

90

90

85

85

380/415V

50

50

50

50

50

440V

50

50

50

42

42

500V

36

36

36

30

30

525V

35

35

35

22

22

660/690V

10

10

10

10

10

Rated service breaking capacity, Ics, kA

220/240V

90

90

90

85

85

380/415V

50

50

50

50

50

440V

50

50

50

42

42

500V

36

36

36

30

30

525V

35

35

35

11

11

660/690V

10

10

10

10

10

Endurance, C-O cycles

Mechanical, x1000

50

40

20

15

15

Electrical

440V, x1000

30

20

10

6

4

690V, x1000

10

7.5

5

3

2

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