Installation 6
Table 2 - Circuit breaker and wire sizes
Motor Volts Motor HP
Input Wire
Size
Circuit Breaker* Generator (kVA)**
2-wire
230
1/2 14
15
2.2
3/4
12
3.1
1 20 4.4
1-1/2 10 25 5.3
3-wire
1/2 14
15
2.3
3/4
12
3.0
1 3.5
1-1/2
10 25
5.3
2 5.8
3 phase
1/2
14
15
2.1
3/4 2.8
1
12
3.4
1-1/2 20 4.4
2
10
25 5.5
3 30 7.3
5 6 50 12.6
* With properly-sized circuit breakers, the Drive is protected from short circuit on the input and the output.
There is no risk of fire or electrical shock due to a short circuit. The Drive has NEC Class 10 overload
protection.
**Minimum240Vgeneratorsize.
(Typical installation with 400’ cable length from service entrance to drive)