URM
URM - NH3
Rated Voltage
Rated Breaking Test
Class
Standard(s) VDE 0636-4 IEC 60269-4
[U n ]
Capacity
Voltage 660V AC
gR
660V AC
120kA
Time-Current Characteristics
R.M.S. Prospective Current [A] Full size graphs available upon request
Cut-Off Current Characteristics
Correction Curves
1500
1.2
1300
0.2 0.4 0.6 0.8 1.0 1.0 0.8 0.6 0.4 0.2 0
1100
L U ( V )
900 700
B K
500
200 400 600 800
200 400 600 800
B U (V ) AC
B U (V ) AC
Prospective Short Circuit Current [kA]
0 0.2 0.4 0.6 0.8 1.0
(Symmetrical r.m.s.)
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