NS MOULDED CASE CIRCUIT BREAKER
Tripping Characteristics
Rated current of
Release(A)
Thermodynamic Release (ambient temp +40¡æ)
Operational Current of
Magnetic Release(A)
1.05In(cold state)
inoperative time(h)
1.30In(heat state)
operative time(h)
In¡Ü63
¡Ý1
<1
10In¡À20%
63<In¡Ü100
¡Ý2
<2
10In¡À20%
100¡´In¡Ü630
¡Ý2
<2
5-10In¡À20%

Rated Current of
Release(A)
Thermodynamic Release (ambient temp +40¡æ)
Operational Current of
Magnetic Release(A)
1.01In(cold state)
inoperative time(h)
1.20In(heat state)
operative time(h)
1.50In(heat state)
operative time(h)
1.01In(heat state)
operative time(h)
12.5¡ÜIn¡Ü400
¡Ý2
<2
¡Ü4min
2S<Tp¡Ü10S
12In¡À20%
Main Technical Specifications
Tpey
Rated
Current(A)
Poles
Rated
Insulating
Voltage(A)
Rated
Operating
Voltage(A)
Arcing Over
Distance(mm)
Ultimte
short circuit
Breaker
Capacity
Servies Short
Circuit
Breaker
Capacity
Operating
performance
(times)
ON
OFF
NS-100D
12.5,16,
20,25,32,
40,50,63,
80,100
3,4
950
690
0
18
18
1500
8500
NS-100N
25
25
NS-100H
70
70
NS-100L
150
150
NS-160D
16,20,25,
32,40,50,
63.80,
100,125,160
25
25
1500
7000
NS-160N
36
36
NS-160H
70
70
NS-160L
150
150
NS-250D
160,180,
200,225,
250
25
25
1000
7000
NS-250N
36
36
NS-250H
70
70
NS-250L
150
150
NS-400D
200,225,
250,300,
315,400
35
35
1000
4000
NS-400N
45
45
NS-400H
70
70
NS-400L
150
150
NS-630D
315,350,
400,500,
600,630
35
35
1000
4000
NS-630N
45
45
NS-630H
70
70
NS-630L
150
150
 

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