Technical data

60 IZMX circuit-breakers, INX switch-disconnectors
Tripping characteristics
CA01305001Z-EN www.eaton.com
IZMX16(40)…V(U)… Tripping characteristics for selectivity protection and universal protection
Non-delayed short-circuit protection (I)
I-protection: Adjustable I-protection: For high short-circuit protection for IZMX16 only
See Notes 2, 6, 8, 9, 11 ￫ page 62. See Notes 2, 6, 10, 11 ￫ page 62.
I Available set values for non-delayed short-circuit protection I
sd
I-protection: For high short-circuit protection for IZMX40 only
See notes 2, 6, 10, 11 ￫ page 62.
2
3
4
8765
10
20 30
40
50
0.5 0.7 0.9
0.6
0.8 1
9
I
n
t
[s]
0.01
2
5
6
7
8
9
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
I
2 - 12 x I
n
g 10
d
f
h
l
j
c
b
1230DIA-97 (5722B20)
1230DIA-98 (5722B20)
t
[s]
0.01
2
5
6
7
8
9
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
504030
60
70
80
90
100
200
300
400 600
800
1000
2010
I
RMS
[kA]
100 kA
85 kA65 kA
0.01
10
20
30
40
50
60
70
90
0.02
0.08
0.09
0.05
0.04
0.03
0.07
0.06
t [s]
0.1
1230DIA-152
100
200
900
700
500
300
80
1000
800
600
400
I
RMS
[kA]
IZMX16(40)…V(U)…