38
EATON
www.eaton.com
4.6 Cure type
No.
Curve
0
Curve1: Standard inverse time
1
Curve 2: Fast inverse time
2
Curve 3: Extremely fast inverse time (for power distribution use)
3
Curve 4: Extremely fast inverse time (for motor protection use)
4
Curve 5: HV fuse compatible
5
Curve 6: I²T common use inverse time
4.7 Rated current table
IZM65/67/69
No.
0
1
2
3
4
5
6
7
8
9
Rated current
400A
630A
800A
1000A
1250A
1600A
1900A
2000A
2002A
2500A
No.
10
11
12
13
14
15
16
17
18
19
Rated current
2900A
3200A
3600A
3900A
4000A
4002A
4900A
5000A
5900A
6300A
4.8 Time conversion values
4.8.1 Overload and load monitoring time table (corresponding to 2Ir current)
No.
Standard inverse
time
Fast inverse time
Extremely fast
inverse time (for
general use)
Extremely fast
inverse time (for
motor use)
HV fuse compatible
I²T
1
0.36
1.00
3.32
2.94
0.66
8.43
2
0.58
1.60
5.32
4.72
1.06
16.87
3
0.86
2.40
8.00
7.06
1.60
33.75
4
1.42
4.00
13.32
11.78
2.66
67.50
5
2.14
6.00
20.00
17.68
4.00
135
6
2.86
8.00
26.66
23.58
5.32
202
7
3.58
10.00
33.30
29.46
6.66
270
8
5.36
13.50
45.00
39.78
9.00
N/A
9
6.44
18.00
60.00
53.04
12.00
N/A
10
10.02
28.00
93.32
82.52
18.66
N/A
11
14.32
40.00
133
117
26.66
N/A
12
21.48
60.00
200
176
40.00
N/A
13
28.64
80.00
266
235
53.32
N/A
14
35.80
100
333
294
66.66
N/A
15
42.98
120
400
353
80.00
N/A
16
50.14
140
433
383
86.66
N/A
Instruction Leafl et
Effective September 2022
IZM6 Series Air Circuit Breaker
Operating Instruction Leafl et