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T Y P E CO C I R C U I T O P E N I NG R E LAY
AMPERE
RANGE
TAP
(0.5
(0.6
(0.8
0.5 /2 .5
( 1 . 0
( 1 .5
(2.0
(2.5
(2
(2.5
(3
2/6
(3.5
(4
(5
(6
(4
(5
(6
4 / 1 2
(7
(8
(10
(12
AMPERE
RANGE
TAP
0.5
0.6
0 . 8
0.5/2.5
1 . 0
1 .5
2.0
2 . 5
2.0
2.5
3.0
2/6
3 . 5
4 . 0
5 . 0
6 . 0
4 . 0
5 .0
6.0
4/12
7.0
8.0
1 0 . 0
1 2 . 0
Thermn l c apac ities for s h ort time s other than one s e c ond may be calaculated on the basis of time be ing inversely proportional to the
*
s q ua re of the current.
¢ Degrees c urrent lags voltage at tap value current.
Voltages taken with R e ctox type v oltme ter.
**
E NE RGY R EQ U I R EMEN TS
C 0 -8 I NV E R S E T I M E A N D C 0· 9 V E R Y
CONTINUOUS
ONE SECOND
RATING
RATING*
( A MPERES)
(AMPEHEL)
2 . 7
88
3 . 1
88
3 . 7
88
4 . 1
88
5. 7
8 8
88
6 .8
7. 7
88
8
230
8.8
230
9.7
230
10.4
230
1 1. 2
230
1 2 . 5
230
1 3 .7
230
1 6
460
18.8
460
19.3
460
20.8
460
22.5
460
25
460
28
460
T Y P E
CONTINUOUS
ONE SECOND
RATING
RATING*
(AMPERES)
(AMPERES)
1 . 7
56
1 . 9
56
2 . 2
56
3 . 5
56
3.0
56
56
3.5
3 . 8
56
7 .0
230
7.8
230
230
8.3
9.0
230
10.0
230
1 1 .0
230
1 2 . 0
230
460
14
460
16
460
1 7
1 8
460
2 0
460
2 2
460
2 6
460
I N V E R S E
T I M E
3
POWER
AT
AT
FACTOR
TAP VALUE
TAP VALUE
¢
ANGLE
CURRENT
CURRENT
72
2.38
2 1
7 1
2.38
2 1
69
2 . 40
2 1 . 1
67
2 .42
2 1 . 2
6 2
2 . 5 1
22
57
2 . 65
23 . 5
24.8
53
2.74
70
2.38
21
66
2.40
2 1 . 1
64
2.42
2 1 . 5
62
2.48
2 2
60
2.53
22.7
58
2.64
24
56
2.75
25.2
68
2.38
21.3
63
2.46
21.8
60
2.54
22.6
57
2.62
23.6
54
2.73
24.8
48
3 .00
27.8
45
3.46
3 1 .4
C 0 - 1 1
R E L A Y
3
AT
POWER
AT
FACTOR
TAP VALUE
TAP VALUE
cf>
ANGLE
CURRENT
CURRENT
0.72
6.54
36
6 . 80
34
0.75
0.81
7.46
30
8 .30
27
0.89
10.04
22
1 . 1 3
17
1 . 30
1 1 .95
13 .95
16
1 .48
32
0 . 73
6 .30
30
0.78
7 . 74
27
0.83
24
0.88
8.20
9 . 1 2
23
0 . 96
9.80
20
1 . 07
20
1 .23
1 1 .34
29
0.79
7.08
25
0.89
8 .00
22
1 .02
9 . 18
20
1 . 1 0
10.00
1 8
1 . 23
1 1 . 1
1 . 3 2
1 4 . 9
1 7
1 6
1 .8
1 6 . 3
R E L A Y S
VOLT AMPERE S**
10
20
AT
TIMES
AT
TIMES
TAP VALUE
TAP VAL UE
CURRENT
CURRENT
132
350
134
365
142
400
440
150
170
530
200
675
228
800
1 3 6
360
142
395
149
430
157
470
164
500
180
580
198
660
146
420
158
480
172
550
190
620
207
700
248
850
292
1020
VOLT AMPERES* *
10
20
AT
TIMES
AT
TIMES
TAP VALUE
TAP VALUE
CURRENT
CURRENT
7 1 . 8
250
75.0
267
84 .0
298
93 . 1
330
1 15 . 5
4 1 1
136.3
502
160.0
6 1 0
74.0
264
7.00
78.5
285
84 .0
309
89.0
340
102.0
372
109.0
430
129.0
504
78.4
296
90.0
340
1 0 1 . 4
378
1 10.0
454
1 24 . 8
480
1 3 1 .6
600
180.0
720
TIMES
TIMES
5
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