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

413 / 543

IZM circuit-breakers, IN switch-disconnectors
IZM26 tripping characteristics
2010 CA08103002Z-EN
18/83
L protection: I4t characteristic curve and S protection: flat characteristic curve
See Notes 1, 3, 7, 9, 22, 23, 24, 25, 27.
L protection: IEEE standard inverse tripping, and S protection: flat characteristic curve
See Notes 3, 7, 8, 9, 23, 25, 28, 29.
A Set values for overload protection
C Minimum total opening delay
I Available set values for short-time delayed short-circuit protection Isd
J Short-circuit release for very high currents
S Long delay time at 14 × Ir
A Set values for overload protection
C Minimum total opening delay
D Set values for long delay
I Available set values for short-time delayed short-circuit protection Isd
5 4 36 7 8 9 10 20 30 40 50 60 80 100 0.5 0.7 0.9 2
1 min
0.6 0.8 1
I/Ir
t[s]
0.01
2
5
6
7
8
9
10
20
30
40
50
60
70 80
90
100
1000
900
800
700
600
500
400
300
200
2000
3000
4000
5000
6000
7000
8000
9000
10000
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
2 h
1 h
1230DIA-114 (70C1035)
1
5
C
A 0.4 - 1.0 x In = Ir
(0.40, 0.45, 0.50, ..., 0.90, 0.95, 1.00)
D
tr @ 6 x Ir
1 - 5 s + 10/- 40
(1.0, 1.5, 2.0, ..., 4.0, 4.5, 5.0)
0.50
0.10
I
1.5 - 10 x Ir
(1.5,2.0,2.5, ...,
9.0,9.5,10.0),
12/14 x Ir
5 4 36 7 8 9 10 20 30 40 50 60 80 100 0.5 0.7 0.9 2
1 min
0.6 0.8 1
I/Ir
0.01
2
5
6
7
8
9
10
20
30
40
50
60
7080
90
100
0.02
0.03
0.04
0.05
0.06
0.070.08
0.09
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
3
4
t[s]
0.50
4.50
4.00
3.50
3.00
2.50
2.00
1.50
1.00
0.80
0.60
0.50
0.40
0.30
0.20
0.10
5.00
0.4 - 1.0 x In= Ir
(0.40, 0.45, 0.50, ..., 0.90, 0.95, 1.00)
A
0.1 - 5.0
(0.1, 0.2, 0.3, ..., 4.8, 4.9, 5.0)
S
C
J
0.1 - 0.5 s
(0.10,0.15,0.20, ...,
0.40,0.45,0.50)
1230DIA-115 (70C1038)
I
1.5 - 10 x Ir
(1.5,2.0,2.5, ...,
9.0,9.5,10.0),
12/14 x Ir
IZM26...(P)...