Eaton Industrial Switchgear - XEnergy XPole Energy distribution, switching and protection

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IZM circuit-breakers, IN switch-disconnectors
IZM26 tripping characteristics
2010 CA08103002Z-EN
18/81
IZM26…U... Option Maintenance mode option +IZM-DTU-ARMS
ARMS-maintenance mode
See Notes 4, 6, 12, 18, 19, 20, 21.
G The end of the characteristic curve is determined by the type of application
and the switching capacity of the selected switch.
Q Set values for maintenance mode (ARMS):
R5 = max. reduction,
R1 = min. reduction
5 4 36 7 8 9 10 20 30 40 50 60 80 100 0.5 0.7 0.9 2
0.6 0.8 1
I/In
t[s]
0.01
2
5
6
7
89
10
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
3
4
Q
1230DIA-111 (70C1446)
R5
R3
R2
R1
R4
G
IZM26…U…