41-116.1A
10
COV-7 OVERCURRENTS UNITS
Ampere
Range
Tap
Continuous
Rating
(Amperes)
One Second
Rating *
(Amperes)
Power
Factor
Angle Ø
Volt Amperes * *
At
Tap Value
Current
At 3 Times
Tap Value
Current
At 10 Times
Tap Value
Current
At 20 Times
Tap Value
Current
0.5/2.5
0.5
0.6
0.8
1.0
1.5
2.0
2.5
2.7
3.1
3.7
4.1
5.7
6.8
7.7
88
88
88
88
88
88
88
68
67
66
64
61
58
56
3.88
3.93
3.93
4.00
4.08
4.24
4.38
20.7
20.9
21.1
21.6
22.9
24.8
25.9
103
107
114
122
148
174
185
278
288
320
356
459
552
640
2/6
2
2.5
3
3.5
4
5
6
8
8.8
9.7
10.4
11.2
12.5
13.7
230
230
230
230
230
230
230
66
63
63
63
61
59
58
4.06
4.07
4.14
4.09
4.34
4.40
4.62
21.3
21.8
22.5
23.1
23.8
25.2
27
111
120
129
136
149
163
183
306
342
366
417
448
530
624
4/12
4
5
6
7
8
10
12
16
18.8
19.3
20.8
22.5
25
28
460
460
460
460
460
460
460
64
61
60
58
55
51
46
4.24
4.30
4.62
4.69
4.80
5.20
5.40
22.8
24.2
25.9
27.3
29.8
33
37.5
129
149
168
187
211
260
308
392
460
540
626
688
860
1032
*
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 Rectox type voltmeter.
ENERGY REQUIREMENTS
