Advertisement
TYP ES I R P , I R C AND IRD R E LAYS
CONTIN UOUS
AMPERE
TAP
(AMPERES)
RANGE
(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 /12
(7
(8
( 1 0
( 1 2
AMPERE
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
4 / 1 2
(6
(7
(8
(10
( 1 2
* t
Thermal capacities f or s hort times other than one s econd may be calculated on the basis of time being inversely proportional to the
square of the c urrent.
¢ Degrees c urrent lags voltage at tap value current.
tt
*
Voltages taken with R ectox type voltmeter.
10
E N E RGY R EQUI R E M E NTS
I R D- 5, I R C- 5, I R P - 5,
I R D- 6 , I R C-6, I RP - 6,
POWER
ONE SECOND
RATING t >1\< FACTOR
RATING
(AMPERES)
ANGL.E ¢
2
8 8
2 . 2
8 8
2.5
8 8
2 . 8
8 8
88
3 . 4
88
4. 0
88
4. 4
8
230
8 . 8
230
9 . 7
230
1 0 . 4
230
1 1 . 2
230
1 2. 5
230
1 3 . 7
230
1 6
460
1 8.8
460
1 9 . 3
460
20. 8
460
22.5
460
25
460
28
460
I R D- 7, I R C- 7 , I RP - 7 T I M E O V E R C UR R E N T U N I T S
CONTINUOUS
ONE SECOND
*
RATING
RATlNG t
(AMPERES)
(AMPERES)
2
88
2. 2
88
2.5
88
2 . 8
88
3 . 4
88
4 . 0
88
4.4
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
1 8 . 8
460
1 9. 3
460
2 0. 8
460
2 2. 5
460
25
460
28
460
T I M E O V E R C U R R E N T U N I T S
VOLT AMPERES
AT
AT
TIMES
3
TAP VALUE
TAP VALUE
CURRENT
CURRENT
69
3 . 92
20.6
68
3 . 96
20.7
67
3 . 96
2 1
66
4.07
2 1 .4
4 . 1 9
23.2
62
60
4.30
24.9
58
4.37
26.2
67
21
3 . 88
66
3 . 90
2 1 . 6
64
3 . 93
22. 1
63
4.09
23. 1
62
4 . 1 2
2 3. 5
59
4.20
2 4. 8
26.5
57
4 . 3 8
65
4.00
22.4
63
4 . 15
23. 7
6 1
4 . 32
25. 3
59
4 . 35
26.4
56
4.40
27 . 8
53
4 . 60
3 0 . 1
47
4 . 92
35.6
POWER
AT
AT
TIMES
3
FACTOR
TAP VALUE
TAP VALUE
ANGLE ¢
CURRENT
CURRENT
20.7
68
3 . 88
67
3 .93
20.9
66
3 . 93
2 1 . 1
4.00
2 1 . 6
64
22.9
6 1
4.08
58
4 . 24
24.8
56
4 . 3 8
25.9
4 . 0 6
66
2 1 . 3
63
4.07
2 1 . 8
63
4 . 14
22.5
23.4
62
4.34
61
4 . 34
23.8
59
4.40
25.2
58
4 . 62
27
64
4.24
22.8
24.2
6 1
4.30
60
4 . 62
25.9
58
4 . 69
2 7. 3
55
4.80
29 . 8
3 3
51
5 . 20
5.40
3 7 . 5
46
t t *
AT
TIMES
AT
TIMES
1 0
2 0
TAP VALUE
TAP VALUE
CURRENT
CURRENT
103
270
106
288
1 14
3 25
1 2 2
360
1 4 7
462
168
548
180
630
1 10
308
1 18
342
126
381
136
4 1 7
144
448
162
540
183
624
126
376
143
450
162
53 1
183
6 1 1
204
699
247
880
288
1056
VOLT AMPERES t t *
AT
TIMES
AT
TIMES
10
20
TAP VALUE
TAP VALUE
CURRENT
CURRENT
1 0 3
278
107
288
1 14
320
1 22
356
148
459
174
552
185
640
1 1 1
306
120
34 2
1 29
366
14 1
4 1 3
149
448
163
530
183
624
1 29
392
149
460
168
540
187
626
2 1 1
688
260
860
308
1032
Advertisement
