ABB 41-101U, Instruction Leaflet

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Type CO Overcurrent Relay 41-101U
5
ENERGY REQUIREMENTS
TYPE CO-2 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 0.91 28 58 4.8 39.6 256 790
0.6 0.96 28 57 4.9 39.8 270 851
0.8 1.18 28 53 5.0 42.7 308 1024
0.5/2.5 1.0 1.37 28 50 5.3 45.4 348 1220
1.5 1.95 28 40 6.2 54.4 435 1740
2.0 2.24 28 36 7.2 65.4 580 2280
2.5 2.50 28 29 7.9 73.6 700 2850
2.0 3.1 110 59 5.04 38.7 262 800
2.5 4.0 110 55 5.13 39.8 280 920
3.0 4.4 110 51 5.37 42.8 312 1008
2/6 3.5 4.8 110 47 5.53 44.3 337 1120
4.0 5.2 110 45 5.72 46.0 360 1256
5.0 5.6 110 41 5.90 50.3 420 1500
6.0 6.0 110 37 6.54 54.9 474 1800
4.0 7.3 230 64 4.92 39.1 268 848
5.0 8.0 230 50 5.20 42.0 305 1020
6.0 8.8 230 47 5.34 44.1 330 1128
4/12 7.0 9.6 230 46 5.53 45.8 364 1260
8.0 10.4 230 43 5.86 49.9 400 1408
10.0 11.2 230 37 6.60 55.5 470 1720
12.0 12.0 230 34 7.00 62.3 528 2064
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 69 3.92 20.6 103 270
0.6 3.1 88 68 3.96 20.7 106 288
0.8 3.7 88 67 4.01 21.0 120 325
0.5/2.5 1.0 4.1 88 66 4.07 22.3 130 400
1.5 5.7 88 62 4.19 23.2 147 462
2.0 6.8 88 60 4.30 24.9 168 548
2.5 7.7 88 58 4.37 26.2 180 630
2 8.0 230 67 3.88 21.0 110 308
2.5 8.8 230 66 3.90 21.6 118 342
3 9.7 230 64 3.93 22.1 126 381
2/6 3.5 10.4 230 63 4.09 23.1 136 417
4 11.2 230 62 4.12 23.5 144 448
5 12.5 230 59 4.20 24.8 162 540
6 13.7 230 57 4.38 26.5 183 624
4 16.0 460 65 4.00 22.4 126 376
5 18.8 460 63 4.15 23.7 143 450
6 19.3 460 61 4.32 25.3 162 531
4/12 7 20.8 460 59 4.35 26.4 183 611
8 22.5 460 56 4.40 27.8 204 699
10 25.0 460 53 4.60 30.1 247 880
12 28.0 460 47 4.92 35.6 288 1056
*
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.
CO-5 LONG TIME AND CO-6 DEFINITE MINIMUM TIME RELAYS