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CONTINUOUS
0AMPERE
RATING
RANGE
TAP
(AMPERES)
2. 7
(0.5
3.1
(0.6
3.7
(0 . 8
4.1
0 . 5/2.5
(1.0
s. 7
(1.5
6 .8
(2 . 0
7. 7
(2.5
(2
8
(2. 5
8.8
( 3
9.7
2/6
(3.5
10.4
(4
11.2
(5
12 . 5
(6
13.7
(4
16
(5
18.8
(6
19.3
4/12
(7
20.8
(8
22.5
(10
25
(12
28
CONTINUOUS
0AMPERE
RATING
(AMPERES)
RANGE
TAP
1.7
0.5
0 . 6
1.9
0 . 8
2.2
1 . 0
3.5
0. 5/2.5
1 . 5
3.0
2 . 0
3.5
2 . 5
3.8
2 . 0
7.0
2 .5
7 . 8
3.0
8.3
9.0
2/6
3.5
4 . 0
10.0
5 . 0
11.0
6 . 0
12.0
4 . 0
14
16
5 . 0
17
6 . 0
18
4/12
7 . 0
8 . 0
20
10.0
22
26
12.0
*
Thermnl capacities for short times other than one second may be calaculated on the basis of time being inversely proportional to the
sqUll r e of the current.
¢Degrees current lags voltage at tap value current.
**
Voltages taken with Rectox type voltmeter.
ENERGY REQUIREMENTS
CO-S INVERSE TIME AND C0-9 VERY INVERSE TIME RELAYS
ONE SECOND
POWER
RATING*
FACTOR
(AMPERES)
ANGLE
88
72
88
71
88
69
88
67
62
88
88
57
88
53
230
70
230
66
230
64
62
230
230
60
230
58
230
56
68
460
63
460
60
460
460
57
54
460
48
460
45
460
TYPE C0-11 RELAY
POWER
ONE SECOND
RATING*
FACTOR
(AMPERES)
ANGLE<!>
36
56
56
34
56
30
56
27
56
22
56
17
56
16
230
32
230
30
230
27
230
24
230
23
230
20
230
20
460
29
25
460
460
22
460
20
460
18
460
17
460
16
60 HERTZ VOLT AMPERES** (XLI FOR 50 HZ)
3
AT
AT
TIMES
TAP VALUE
TAP VALUE
CURRENT
CURRENT
1>
(LI = 0.88)
(LI = 0.86)
2.38
21
2.38
21
2.40
21.1
2.42
21.2
2.51
22
2.65
23.5
2.74
24.8
2.38
21
2.40
21.1
2.42
21. 5
2.48
2 2
2.53
22.7
2.64
24
2.75
25.2
2.38
21.3
2.46
21.8
2 . 54
22.6
2.62
23.6
2.73
24.8
3.00
27.8
3.46
31.4
60 HERTZ VOLT AMPERES** (XLI FOR 50 HZ)
3
AT
TIMES
AT
TAP VALUE
TAP VALUE
CURRENT
CURRENT
=
(LI = 0.86)
(LI
0.88)
0.72
6 .54
0.75
6 .80
0.81
7.46
0.89
8.30
1.13
10 .04
1 .30
11.95
13.95
1.48
0.73
6 .30
0.78
7 .00
0.83
7.74
0.88
8.20
0.96
9.12
1.07
9 . 80
1.23
11.34
0.79
7.08
0.89
8.00
1.02
9 .18
1.10
10 .00
1.23
11.1
1.32
14.9
1.8
16.3
I.L. 41-103H
AT 20 TIMES
AT 10 TIMES
TAP VALUE
TAP VALUE
CURRENT
CURRENT
=
(LI = 0.9)
(LI
0.91)
350
132
134
365
142
400
150
440
170
530
200
675
228
800
136
360
395
142
149
430
157
470
500
164
180
580
198
660
146
420
158
480
172
550
190
620
207
700
248
850
292
1020
AT IOTIMES
AT 20 TIMES
TAP VALUE
TAP VALUE
CURRENT
CURRENT
(LI = 0.9)
(L1=0.91)
71.8
250
267
75.0
298
84.0
93.1
330
411
115.5
136 .3
502
160.0
610
74.0
264
78.5
285
84 .0
309
89.0
340
102.0
372
109.0
430
129 .0
504
78.4
296
90. 0
340
101.4
378
110.0
454
124 .8
480
131.6
600
720
180.0
5
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