NB-DPX Moulded Case Circuit Breaker

Short Description:

NB-DPX series MCCB is applicable circuit of AC 50/60Hz, rated current 25-400A, for distribute energy of electricity & infrequent making & breaking circuit in normal conditions. The products conforms to IEC60947-2.


Product Detail

Product Tags

SPECIFICATION

Type NB-DPX-125 NB-DPX-160

NB-DPX-250

NB-DPX-400
Poles number 3 3 3 3
Rated current ln(A) 25-125 25-125

125-250

125-400

Rated working voltage Ue(V)(50/60Hz) 500 500

600

600
Rated working voltage Ue(V) 250 250

250

250
Rated insulation voltage Ui(V) 500 500

690

690
Rated impulse voltage Uimp(kV) 6 6

8

8
Utilisation category A A

A

A
Rated limited short-circuit breaking capacity lcu(kA)

230/240V

22 50

60

70

400/415V

16 36

36

40

440V

10 20

30

36

480/500V

8 14

25

30

600V

-  

20

-

690V

- -

16

-

250V

16 -

36

 
Rated short-circuit breaking service capacity lcs(%lcu) 100 100 100

100

Mechanical life 7000 7000

7000

5000

Electrical life 1000 1000

1000

800

DIMENSION


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