NB-NSX Moulded Case Circuit Breaker

NB-NSX Moulded Case Circuit Breaker Featured Image
  • NB-NSX Moulded Case Circuit Breaker

Short Description:

Compactness, discrimination and modularity-new NB-NSX circuit breaker, Incorporate advanced monitoring and communication functions, from 40amp up, combined with impeccable protection.A roto-active contact breaking principle provides each circuit breaker with very high breaking capacity in a very small device, remarkable fault current limitation performance and endurance. FW-NSX benefits from a patented double roto-active contact breaking concept, together with a reflex tripping system from ultimate breaking.

Product Detail

Product Tags

SPECIFICATION

Type

Pole number

Rated insuiating voltage(V)

Rated operating voltage(V)

Ultimate short circuit breaking capacity(kA)

Servies short circuit breaking capacity(kA)
NB-NSX-100N      

25

25
NB-NSX-100H      

70

70
NB-NSX-100L      

150

 150
NB-NSX-160N      

36

36
NB-NSX-160H      

70

70
NB-NSX-160L      

150

 150
NB-NSX-250N     690

36

36
NB-NSX-250H

3,4

750

 and

70

70
NB-NSX-250L     below

150

 150
NB-NSX-400N      

45

45
NB-NSX-400H      

70

70
NB-NSX-400L      

150

 150
NB-NSX-630N      

45

45
NB-NSX-630H      

70

70
NB-NSX-630L      

150

 150

NOTES

1.The N-pole breaker has no protection which closing and opening with the other three poles.

2.The type of thermal magneric for N B-NSX-400/630 has no four poles.

Thermal magnetic release

46.1

                                                X250A                                          X250A

Type

 Rated current(A) Note
NB-NSX-100 12.5,16,20,25,32,40,50,63,80,100  
NB-NSX-160 16,20,25,32,40,50,63,80,100,125,160

T adjustable(0.8~1ln) M adjustable(5~10ln)
NB-NSX-250 160,180,200,225,250
NB-NSX-400 315,350,400
NB-NSX-630 400,500,630  
NB-NSX-1250 800,1000,1250 T adjustable(0.8~1ln)
NB-NSX-1600 1000,1250,1600

M fixed

 

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