Circuit Breaker and Wire Sizing
The minimum circuit breaker size and maximum allowable wire lengths for connection of motor to the SubDrive300 are given in the following table:
Table 2: Minimum Breaker Size and Maximum Cable Length (in Feet)
Controller |
| Franklin Electric |
| Breaker |
Model |
| Motor Model | HP | Amps |
SubDrive300 |
| 234 317 xxxx |
| 40 |
| 5 | |||
|
|
|
|
|
AWG Copper Wire Size
14 | 12 | 10 | 8 | 6 | 4 | |||
140 |
| 230 |
| 590 |
| 920 |
| 1430 |
| 370 |
|
| |||||
|
|
|
|
|
|
|
|
|
A
NOTE:
•Maximum allowable wire lengths are measured between the controller and motor.
•Aluminum wires should not be used with the SubDrive300.
•Wire sizing between the service entrance and the controller must be sufficient to provide the required maximum input amps to the controller while conforming to local standards and codes.
•SubDrive300 minimum breaker amps may be lower than AIM Manual specifications for the motors listed due to the
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