Total Customer 3 Phase Load (HP) | Approximate Three Phase Output Amps | Approximate Single Phase Input Amps | Minimum Required Utility Transformer KVA | Required System Service Amps | Main Disconnect Fuse Size Dual Element | L1, L2 Minimum Wire Size* | |||||
---|---|---|---|---|---|---|---|---|---|---|---|
230 V | 460 V | 230 V | 460 V | 230 V | 460 V | 230 V | 460 V | 230 V | 460 V | ||
3 | 10 | 5 | 20 | 10 | 5 | 30 | 30 | 25 | 15 | 10 | 12 |
5 | 15 | 7.5 | 30 | 15 | 5 | 60 | 30 | 40 | 20 | 8 | 10 |
7.5 | 22 | 11 | 44 | 22 | 7.5 | 60 | 30 | 50 | 30 | 6 | 10 |
10 | 28 | 14 | 56 | 28 | 10 | 100 | 60 | 70 | 40 | 6 | 8 |
15 | 42 | 21 | 84 | 42 | 15 | 200 | 60 | 125 | 60 | 1 | 6 |
20 | 54 | 27 | 108 | 54 | 25 | 200 | 100 | 150 | 75 | 1/0 | 4 |
25 | 68 | 34 | 136 | 68 | 25 | 200 | 100 | 175 | 100 | 2/0 | 3 |
30 | 80 | 40 | 160 | 80 | 37.5 | 200 | 100 | 200 | 100 | 3/0 | 3 |
40 | 104 | 52 | 208 | 104 | 50 | 400 | 200 | 250 | 125 | 250 | 1 |
50 | 130 | 65 | 260 | 130 | 50 | 400 | 200 | 325 | 175 | 350 | 2/0 |
60 | 154 | 77 | 308 | 154 | 75 | 400 | 200 | 400 | 200 | 500 | 3/0 |
75 | 192 | 96 | 384 | 192 | 75 | 600 | 400 | 500 | 250 | (2) 250 | 250 |
100 | 248 | 124 | 496 | 248 | 100 | 800 | 400 | 650 | 350 | (2) 500 | 500 |
125 | 312 | 156 | 624 | 312 | 167 | 800 | 400 | 800 | 400 | (2) 500 | 500 |
150 | 360 | 180 | 720 | 360 | 167 | 1000 | 600 | 1000 | 500 | (3) 350 | (2) 250 |
200 | 480 | 240 | 960 | 480 | 200 | 1200 | 600 | 1200 | 600 | (3) 500 | (2) 350 |
Rotary Model Number (R-Largest HP / Total HP) | Wire Size** L1, L2 to Rotary (When wired per Fig. 2) | Optional** Sec. Fused Disconnect Time Delay Fuses (When wired per Fig. 2) | Optional** NEMA Size Magnetic Contactor (When wired per Fig. 2) | L1, L2 Wire Size To Three Phase Loads | ||||
---|---|---|---|---|---|---|---|---|
Heavy Duty | Light Duty | 230 V | 460 V | 230 V | 460 V | 230 V | 460 V | |
R-2/4 | 10 | 12 | 15 | 8 | 0 | 0 | See Chart A | |
R-2/6 | R-3/6 | 10 | 12 | 15 | 8 | 0 | 0 | See Chart A |
R-3/10 | R-5/10 | 8 | 10 | 30 | 17.5 | 1 | 1 | See Chart A |
R-5/15 | R-7.5/15 | 8 | 10 | 30 | 17.5 | 1 | 1 | See Chart A |
R-7.5/20 | R-10/20 | 6 | 8 | 40 | 20 | 2 | 2 | See Chart A |
R-10/30 | R-15/30 | 6 | 8 | 50 | 25 | 2 | 2 | See Chart A |
R-15/40 | R-20/40 | 4 | 6 | 75 | 40 | 3 | 2 | See Chart A |
R-20/50 | R-25/50 | 4 | 6 | 75 | 40 | 3 | 3 | See Chart A |
R-25/60 | R-30/60 | 3 | 4 | 100 | 50 | 3 | 3 | See Chart A |
R-30/80 | R-40/80 | 1 | 4 | 125 | 60 | 4 | 3 | See Chart A |
R-40/100 | R-50/100 | 1/0 | 3 | 150 | 80 | 4 | 3 | See Chart A |
R-50/120 | R-60/120 | 3/0 | 2 | 200 | 100 | 5 | 4 | See Chart A |
R-60/150 | R-75/150 | 250 | 1 | 250 | 125 | 5 | 4 | See Chart A |
R-75/200 | R-100/200 | 350 | 2/0 | 300 | 150 | 5 | 4 | See Chart A |