50
SECTION 8: Pentek Intellidrive
™
Variable Frequency Drives
Table 2 - Circuit breaker and wire sizes
Motor
Drive
Model
Volts Motor HP
Wire Size*
Circuit
Breaker**
Generator (kVA)***
Input Output
2-wire
PID10
230
1/2 14 14
15
2.2
3/4
12 12
3.1
1 20 4.4
PID20 1-1/2 10 10 25 5.3
3-wire
PID10
1/2 14 14
15
2.3
3/4
12 12
3.0
1 3.5
PID20
1-1/2
10 10 25
5.3
2 5.8
3 phase
PID10
1/2
14
14 15
2.1
3/4 2.8
1
12
3.4
PID20
1-1/2
12
20 4.4
2
10
25 5.5
PID50
3 10 30 7.3
5 6 8 50 12.6
* AWG will change depending on the length of wire. See Tables 3-6.
** 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.
*** Minimum 240V generator size.
NOTICE Information in Tables 3-6 applies ONLY to Pentek
®
motors. For other motors, refer to motor manufacturer
specifications for wire sizing.
Table 3 - Service Entrance to Drive - 1 Phase, 2-Wire 40°C Ambient, and 5 percent Voltage Drop,
60C and 75C Insulation (copper only).
Motor Rating Maximum Cable Length in feet (M)
Volts HP SFA 14 AWG 12 AWG 10 AWG 8 AWG 6 AWG 4AWG
230
1/2 4.7 447 (136) 712 (217) 1000 (305) –
–
–
3/4 6.2 341(104) 542 (165) 864 (263) 1000 (305)
1 8.1 261(79) 415 (126) 661 (202) 1000 (305)
1 1/2 10.4 203 (62) 323 (98) 515 (157) 816 (249) 1000 (305)
2 12.2 173 (53) 275 (84) 439 (134) 696 (212) 1000 (305)
3 10.1 209 (64) 333 (101) 530 (162) 840 (256) 1000 (305)
5 17.5 121(37) 192 (59) 306 (93) 485 (148) 754 (230) 1000 (305)
8.3 Installation