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Drop-out
Adjustment
Frequency
Volts
60
80-100
+ Volt-Ampere burden is average for the various settings.
Continuous
Ampere
Rating *
Range
Tap
(Amperes)
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
10.4
4
11.2
5
12.5
6
13.7
4
16.0
5
18.8
6
19.3
4/12
7
20.8
8
22.5
10
25.0
12
28.0
*
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
VOLTAGE UNIT
Maximum
Volts
Continuous
132
COV-6 OVERCURRENT UNITS
One Second
Rating *
(Amperes Ø
2.7
88
3.1
88
3.7
88
4.1
88
5.7
88
6.8
88
7.7
88
8.0
230
8.8
230
9.7
230
230
230
230
230
460
460
460
460
460
460
460
Volt-ampere +
Burden
At 120 Volts
8.0
Power
At
At 3 Times
Factor
Tap Value
Tap Value
Angle Ø
Current
Current
69
3.92
68
3.96
67
3.96
66
4.07
62
4.19
60
4.30
58
4.37
67
3.88
66
3.90
64
3.93
63
4.09
62
4.12
59
4.20
57
4.38
65
4.00
63
4.15
61
4.32
59
4.37
56
4.40
53
4.60
47
4.92
Drop-out
Ratio
98%
Volt Amperes * *
At 10 Times
At 20 Times
Tap Value
Current
20.6
103
20.7
106
21.0
114
21.4
122
23.2
147
24.9
168
26.2
180
21.0
110
21.6
118
22.1
126
23.1
136
23.5
144
24.8
162
26.5
183
22.4
126
23.7
143
25.3
162
26.4
183
27.8
204
30.1
247
35.6
288
41-116.1A
Tap Value
Current
270
288
325
360
462
548
630
308
342
381
417
448
540
624
376
450
531
611
699
880
1056
9
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