MNL-0408
June 11, 2009 Page 107
The use of improperly sized wire can result in sluggish operation, unnecessary tripping of overload
relays and/or blowing of fuses. The following tables are provided as a guide for proper wire size
NOTICE
If this unit is equipped with an Air Kool system, consult the Air Kool Section for electrical installation.
Figure 9-2 Incoming Power Wiring Label
1 PHASE
Motor
Hp
Full Load Amps
Fuse Amps
a
a. Dual element time delay fuse Amps.
Minimum Wire Size
b
b. Normal Copper wire with THW, THWN, or XHHW insulation.
120 V 208 V 230 V 120 V 208 V 230 V 120 V 208 V 230 V
2 24 13.2 12 30 20 17.5 10 … 14
3
34 18.7 17 50 30 25 8 10 10
5 56 30.8 28 80 50 40 4 8 8
7.5
80 44 40 100 70 60 3 8 8
10
… 55 50…9060… 6 6