41-101.3A
Type CKO Overcurrent Relay
4
ENERGY REQUIREMENTS
INSTANTANEOUS OVERCURRENT UNIT OPERATING CURRENT CIRCUIT- 60 HERTZ
††
ø
††
ø
AMPERE RANGE
TAP
VA AT TAP VALUE
P.F. ANGLE
VA AT 4 AMPS
P.F. ANGLE
.5
.37
39
2
4
46
.75
.38
36
1
3
37
1
.39
35
8.5
34
.5-2
1.25
.41
34
6.0
32
1.5
.43
32
4.6
31
2
.45
30
2.9
28
1
.41
36
9.0
36
1.5
.44
32
5.0
32
2
.47
30
3.0
29
1-4
2.5
.50
28
2.1
27
3
.53
26
1.5
26
4
.59
24
0.93
24
2
1.1
49
6.5
48
3
1.2
43
3.3
42
4
1.3
38
2.1
37
2-8
5
1.4
35
1.4
35
6
1.5
33
1.1
33
8
1.8
29
0.7
29
4
1.5
51
2.4
51
6
1.7
45
1.2
45
4-16
8
1.8
40
0.7
40
9
1.9
38
0.6
38
12
2.2
34
0.37
34
16
2.5
30
0.24
31
10
1.7
28
0.43
28
15
2.4
21
0.27
21
20
3.1
16
0.20
17
10-40
24
3.6
15
0.15
15
30
4.2
12
0.11
13
40
4.9
11
0.08
12
20
6.6
31
0.40
31
30
9.3
24
0.25
24
20-80
40
12.0
20
0.18
20
48
13.5
18
0.14
18
60
15.9
16
0.10
16
80
19.2
15
0.07
15
CONTINUOUS RATING
ONE SECOND RATING
RANGE
(AMPERES)
†
(AMPERES)
0.5 -
2
5
100
1 -
4
8
140
2 -
8
8
140
4 - 16
10
200
10 - 40
10
200
20 - 80
10
200
†
Thermal capacities for short times other than one second may be calculated on
the basis of time being inversely proportional to the square of the current.
ø
Degrees current lags voltage.
††
Voltages taken with Rectox type voltmeter.
Summary of Contents for CKO-5
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