ELECTRICAL INSTALLATION
Wiring Guidelines
19
Branch Circuit Protection
Integral solid state short circuit protection does not provide branch circuit protection. Branch circuit protec
-
tion must be provided in accordance with the National Electrical Code and any additional local codes, or the
equivalent. Drive shall be protected by fuse or inverse-time circuit breaker only, rated 300 V, and a maxi
-
mum 300% of full load motor output current rating as noted in the table below.
Input Wire and Fuse Sizing
1
Based on a 3% voltage drop.
*
90
C Insulation only.
NOTE:
Minimum breaker amps may vary from AIM Manual specifications because of VFD characteristics.
Output (Motor) Wire Sizing
1
Based on a 5% voltage drop with 1000 ft limit.
Notes:
•
The use of 600 V minimum rated motor cable is required.
•
Maximum allowable wire lengths are measured between the controller and motor, based on AIM Man
-
ual requirements with 1000 ft limit. Larger wire and filtering are required if exceeding the 1000 ft limit.
•
Flat-jacketed submersible motor cable is recommended. All splices in the motor cable must be properly
sealed with watertight shrink tubing. Use extreme caution to avoid damaging or compromising the
motor cable insulation during installation or service.
•
For motor cable lengths over 300 ft, refer to
“Performance Enhancement for Long Cable Lengths” on
.
Model
Input
Voltage
Motor HP
Fuse/Breaker
Amps
AWG Copper Wire Sizes, 75° C Insulation, and Panel to Drive Cable
Lengths (in feet)
1
14
12
10
8
6
4
3
2
1
SubDrive
Utility
115
1/2 (0.37
kW)
15
40
*
60
100
155
245
390
485
635
805
230
1/2 (0.37
kW)
15
130
205
340
525
835
1315
1635
2150 2720
230
3/4 (0.55
kW)
15
130
150
250
390
620
975
1210
1595 2020
230
1.0 (0.75
kW)
20
70
*
110
*
185
285
450
715
885
1165
1475
230
1.5 (1.1 kW)
25
–
–
140
215
340
540
670
880
1115
Model
Motor Family
Motor
Voltage Horsepower
AWG 600V Copper Wire Sizes, 75° C Insulation, and Motor Cable
Lengths (in feet)
1
14
12
10
8
6
4
SubDrive
Utility
244 502 xxxx 115
1/3 (0.25 kW) 100
160
250
390
620
960
244 504 xxxx 115
1/2 (0.37 kW) 100
160
250
390
620
960
244 505 xxxx 230
1/2 (0.37 kW) 400
650
1000
–
–
–
244 507 xxxx 230
3/4 (0.55 kW) 300
480
760
1000
–
–
244 508 xxxx 230
1.0 (0.75 kW) 250
400
630
990
–
–
244 509 xxxx 230
1.5 (1.1 kW)
190
310
480
770
1000
–
