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© 2012 Installation and Reference Manual D0125 Rev. H
Appendix
— Wire Size Schedules & Charts
For 1/2-hp through 5-hp motors
Supplying a gate operator with the right electrical service is crucial to the performance of the operator and the life of its
electrical components. If the wire size used is too small, the voltage loss, especially during motor startup, will prevent the
motor from attaining its rated horsepower. The percentage of horsepower lost is far greater than the percentage of
voltage loss. A voltage loss could also cause the control components to chatter while the motor is starting, substantially
reducing their life due to the resultant arcing. There is no way to restore lost performance resulting from undersized wires,
except to replace them; Choose a sufficient wire size at initial installation to avoid costly rewiring.
The tables on the following page are based on copper wire and allow for a 5% voltage drop. The ampere values shown
are the service factor ampere rating (maximum full load at continuous duty) of the motor. A
20A circuit (protected with a 20A Inverse Time Breaker) should be provided, at minimum.
Always connect electrical power and ground the operator in accordance with the National Electrical Code, article’s 430
and 250 plus other local codes that may apply.
The maximum distance shown is from the gate operator to the power source; assuming that source power is from a panel
box with adequate capacity to support the addition of this motor load. The values are for one operator, with no other loads
applied to the branch circuit. Avoid placing more than one gate operator to a circuit, but if you must, be certain to reduce
the maximum allowed distance by half.
Low Voltage Control Wiring
:
The Smart Touch controller has very sensitive control inputs so the wire size of the control wiring is not a significant
issue.The following is a chart of maximum distances for controls:
Wire Size
Maximum Distance
18 ga
7.0 miles (11km)
20 ga
3.5 miles (5.6km)
22 ga
2.7 miles (4.3km)
24 ga
2.0 miles (3.2km)
26 ga
1.0 mile (1.6km)
28 ga
3700 feet (1.1km)
SlideDriver 50VF2, 50VF2-EFO, & 50VF3: Wire Size Chart
Ø
1
1
3
3
3
3
Voltage
208
230
208
230
380
460
Horsepower
2
2
2
2
2
2
Amps
17.4
17.4
8.7
8.7
5.2
5.2
Drop
11
12
11
12
19
23
Wire
Distance
Distance
Distance
Distance
Distance
Distance
14
60 (18m)
60ft (18m)
140 (43m)
150 (46m)
430 (131m)
520 (158m)
12
90 (27m)
100 (30m)
220 (67m)
240 (73m)
680 (207m)
830 (253m)
10
150 (46m)
170 (52m)
350 (107m)
390 (119m)
1090 (332m)
1310 (399m)
8
240 (73m)
270 (82m)
560 (171m)
620 (189m)
1730 (527m)
2100 (640m)
6
390 (119m)
430 (131m)
900 (274m)
990 (302m)
2750 (838m)
3330 (1015m)
4
620 (189m)
680 (207m)
1430 (436m)
1580 (482m)
4380 (1335m)
5300 (1615m)
2
990 (302m)
1090 (332m)
2280 (695m)
2530 (771m)
6990 (2130m)
8470 (2582m)
0
1560 (475m) 1730 (527m) 3620 (1103m)
4000 (1219m)
11,070 (3374m)
13,400 (4084m)
Содержание SlideDriver 50VF2
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