Brochure
PowerPact H-, J-, and L-Frame Circuit Breakers
Trip Curves
211
02/2016
© 2011–2016 Schneider Electric
All Rights Reserved
Figure 89: H-Frame 150 A Typical I
2
t Let-Through Curves
20 30 40 50 60 70 80 9010
.2
.3
.4
.5
.6
.7
.8
.9
200100
2
1
Available Short Circuit Current (RMS Symmetrical Amperes x 10
3
)
Typical* Let-Through I
2
t (Amperes
2
Seconds x 10
6
)
*
Based on typical values obtained throughout the circuit breaker development and UL test programs.
I
2
t
240 V
J
D
D
D
G
G
G
J
J
L
R
480 V
L
R
600 V
L
R
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