SACE ® TMAX XT ® UL/CSA LOW VOLTAGE MOLDED CASE CIRCUIT-BREAKERS UL489 AND CSA C22.2 STANDARDS
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— Characteristic curves Specific let-through energy curves
600V
XT4L
XT4H
I 2 t [10 6 A 2 s]
I 2 t [10 6 A 2 s]
10
10
1
1
10 -1
10 -1
10 -2
10
1
10 3
10 2
10 -2
x I rms [kA]
10
1
10 3
10 2
x I rms [kA]
XT4V
XT5L
I 2 t [10 6 A 2 s]
I 2 t [10 6 A 2 s]
10
10
1
1
10 -1
10 -1
10 -2
10 -2
10
10
1
1
10 3
10 3
10 2
10 2
x I rms [kA]
x I rms [kA]
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