I.L 40-100J
10
ENERGY REQUIREMENTS
CO-5 LONG TIME AND CO-6 DEFINITE MINIMUM TIME RELAYS
60 HERTZ VOLT AMPERES**(x
∆
FOR 50 HZ)
R
ANGE
TAP
RATING
RATING
FACTOR
(AMPERES)
(AMPERES)
ANGLE
ø
0.5
2.7
88
69
3.93
20.6
103
270
0.6
3.1
88
68
3.96
20.7
106
288
0.8
3.7
88
67
3.96
21
114
325
0.5/2.5
1.0
4.1
88
66
4.07
21.4
122
360
1.5
5.7
88
62
4.19
23.2
147
462
2.0
6.8
88
60
4.30
24.9
168
548
2.5
7.7
88
58
4.37
26.2
180
630
1.0
4.5
88
69
3.98
21.0
100
265
1.2
5.5
88
68
3.98
21.3
103
282
1.5
6.0
88
67
4.00
21.8
109
308
2.0
7.7
88
66
3.98
21.9
115
340
2.5
9.5
88
65
3.98
22.2
122
363
3.0
10.0
230
65
4.02
22.5
125
366
1/12
3.5
12.0
230
65
4.06
23.2
132
402
4.0
13.5
230
64
4.12
23.5
137
420
5.0
15.0
230
61
4.18
24.6
150
500
6.0
17.5
460
60
4.35
25.8
165
570
7.0
20.5
460
57
4.44
27.0
185
630
8.0
22.5
460
53
4.54
28.6
211
736
10.0
23.5
460
48
4.80
32.5
266
940
12.0
26.5
460
42
5.34
37.9
325
1152
CO-7 MODERATELY INVERSE TIME RELAY
0.5
2.7
88
68
3.88
20.7
103
278
0.6
3.1
88
67
3.93
20.9
107
288
0.8
3.7
88
66
3.93
21.1
114
320
0.5/2.5
1.0
4.1
88
64
4.00
21.6
122
356
1.5
5.7
88
61
4.08
22.9
148
459
2.0
6.8
88
58
4.24
24.8
174
552
2.5
7.7
88
56
4.38
25.9
185
640
1.0
4.5
88
68
3.86
20.6
100
265
1.2
5.5
88
67
3.82
20.4
104
270
1.5
6.0
88
66
3.92
21.2
110
300
2.0
7.7
88
65
3.90
21.8
117
312
2.5
9.5
88
64
3.90
21.8
123
360
3.0
10.0
230
63
3.92
22.5
127
390
1/12
3.5
12.0
230
63
3.97
22.7
131
413
4.0
13.5
230
63
4.02
22.9
136
420
5.0
15.0
230
60
4.11
24.1
153
490
6.0
17.5
460
58
4.29
25.5
165
528
7.0
20.5
460
54
4.43
27.3
189
630
8.0
22.5
460
50
4.50
30.8
206
732
10.0
23.5
460
46
4.81
32.6
250
970
12.0
26.5
460
42
5.04
36.9
342
1224
AT
AT 3 TIMES
AT 10 TIMES
AT 20 TIMES
TAP VALUE
TAP VALUE
TAP VALUE
TAP VALUE
CURRENT
CURRENT
CURRENT
CURRENT
(
∆
= 0.86)
(
∆
= 0.88)
(
∆
= 0.9)
(
∆
= 0.91)
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 at tap value current
* * Voltages taken with Tectox type voltmeter
