Specifications

52
COMPACT
®
NS circuit breaker
COMPACT
®
NS circuit breaker: supplementary technical information
Let-through curves at 480 V
E28288
E28289
Maximum let-through I
2
t (Amperes
2
Seconds)
Maximum peak let-through current (Amperes)
2 3 4 6 10 20 30 40 60 100 200 300
Maximum (*) Peak Let-Through Current (Amperes x 10
3
)
(*) Based on maximum values obtained throughout the circuit breaker development and UL test programs.
6
4
10
20
40
100
200
30
5
7
8
50
60
70
80
NSJ400/600
L
H
N
Available Short Circuit Current (RMS Symmetrical Amperes x 10
3
)
NSF250
NSF150
2
3
5
2
3
5
2
3
5
2
10
5
10
6
10
7
2 3 4 6 10 20 30 40 60 100 200 300
L
N
H
N
H
NSF150
NSF250
Maximum (*) Let-Through I
2
t (Amperes
2
Seconds)
(*) Based on maximum values obtained throughout the circuit breaker development and UL test programs.
Available Short Circuit Current (RMS Symmetrical Amperes x 10
3
)
NSJ400/600