
41-101U
Type CO Overcurrent Relay
6
ENERGY REQUIREMENTS
CO-7 MODERATELY INVERSE TIME RELAY
VOLT AMPERES**
Continuous
One Second
Power
At
At 3 Times
At 10 Times
At 20 Times
Ampere
Rating
Rating*
Factor
Tap Value
Tap Value
Tap Value
Tap Value
Range
Tap
(Amperes)
(Amperes)
Angle
ø
Current
Current
Current
Current
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
3.97
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
2
8.0
230
66
4.06
21.3
111
306
2.5
8.8
230
64
4.07
21.8
120
230
3
9.7
230
63
4.14
22.5
129
366
2/6
3.5
10.4
230
62
4.34
23.4
141
413
4
11.2
230
61
4.34
23.8
149
448
5
12.5
230
59
4.40
25.2
163
530
6
13.7
230
58
4.62
27.0
183
624
4
16
460
64
4.24
22.8
129
392
5
18.8
460
61
4.30
24.2
149
460
6
19.3
460
60
4.62
25.9
168
540
4/12
7
20.8
460
58
4.69
27.3
187
626
8
22.5
460
55
4.80
29.8
211
688
10
25
460
51
5.20
33.0
260
860
12
28
460
46
5.40
37.6
308
1032
CO-8 LONG TIME AND CO-9 DEFINITE MINIMUM TIME RELAYS
VOLT AMPERES
**
Continuous
One Second
Power
At
At 3 Times
At 10 Times At 20 Times
Ampere
Rating
Rating*
Factor
Tap Value Tap Value
Tap Value
Tap Value
Range
Tap
(Amperes)
(Amperes)
Angle
ø
Current
Current
Current
Current
0.5
2.7
88
72
2.38
21.0
132
350
0.6
3.1
88
71
2.38
21.0
134
365
0.8
3.7
88
69
2.40
21.1
142
400
0.5/2.5
1.0
4.1
88
67
2.42
21.2
150
440
1.5
5.7
88
62
2.51
22.0
170
530
2.0
6.8
88
57
2.65
23.5
200
675
2.5
7.7
88
53
2.74
24.8
228
800
2
8.0
230
70
2.38
21.0
136
360
2.5
8.8
230
66
2.40
21.1
142
395
3
9.7
230
64
2.42
21.5
149
430
2/6
3.5
10.4
230
62
2.48
22.0
157
470
4
11.2
230
60
2.53
22.7
164
500
5
12.5
230
58
2.64
24.0
180
580
6
13.7
230
56
2.75
25.2
198
660
4
16.0
460
68
2.38
21.3
146
420
5
18.8
460
63
2.46
21.8
158
480
6
19.3
460
60
2.54
22.6
172
550
4/12
7
20.8
460
57
2.62
23.6
190
620
8
22.5
460
54
2.73
24.8
207
700
10
25.0
460
48
3.00
27.8
248
850
12
28.0
460
45
3.46
31.4
292
1020
*
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.
Содержание 41-101U
Страница 1: ......
Страница 8: ...41 101U Type CO Overcurrent Relay 8 Figure 7 Typical Time Curves of the Type CO 2 Relay Sub 1 619584 ...
Страница 9: ...Type CO Overcurrent Relay 41 101U 9 Figure 8 Typical Time Curves of the Type CO 5 Relay Sub 2 418245 ...
Страница 10: ...41 101U Type CO Overcurrent Relay 10 Figure 9 Typical Time Curves of the Type CO 6 Relay Sub 2 418246 ...
Страница 12: ...41 101U Type CO Overcurrent Relay 12 Figure 11 Typical Time Curves of the Type CO 8 Relay Sub 2 418248 ...
Страница 13: ...Type CO Overcurrent Relay 41 101U 13 Figure 12 Typical Time Curves of the Type CO 9 Relay Sub 2 418249 ...
Страница 14: ...41 101U Type CO Overcurrent Relay 14 Figure 13 Typical Time Curves of the Type CO 11 Relay Sub 2 288B655 ...
Страница 21: ...Type CO Overcurrent Relay 41 101U 21 RESERVED FOR NOTES ...