Sola DT661H20S 20KVA 460D-230Y SCR DRIVE
Drive Isolation Transformers: 7.5-440 KVA, Three Phase
Special Voltages and KVA Sizes for Drive Applications
| For SCR (Silicon Control Rectifier) variable speed motor drive applications, a transformer is needed to magnetically isolate the incoming line from the motor drive. The transformer must also provide a voltage change to match the required voltage of the SCR Drive. Standard designs are delta primary and wye secondary to match the common power sources required in most three phase rectifier circuits. Hevi-Duty drive isolation transformers are specifically designed to handle the mechanical stresses, voltage demands and harmonics associated with SCR applications. |
| Features |
| Selection Table |
KVA | Drive Horse | Group 1 | Group II Catalog Number | Group III Catalog Number | NEMA 3R | Dimensions | Ship Weight (lbs) | Design | ||
480 DPrimary 460Y/266 Secondary 60 Hz | 460 DPrimary | 575 DPrimary | Height | Width (inch) | Depth (inch) | |||||
E25872 UL File applies to the following catalog numbers. | ||||||||||
| 7.5 | 5 | DT651F7.5S | DT661F7.5S | DT631F7.5S | N/A | 17 | 20 | 10 | 236 | 4 |
| 11 | 7.5 | DT651H11S | DT661H11S | DT631H11S | WS-02 | 23 | 18 | 14 | 166 | 1 |
| 14 | 10 | DT651H14S | DT661H14S | DT631H14S | WS-02 | 23 | 18 | 14 | 180 | 1 |
| 20 | 15 | DT651H20S | DT661H20S | DT631H20S | WS-02 | 23 | 18 | 14 | 210 | 1 |
| 27 | 20 | DT651H27S | DT661H27S | DT631H27S | WS-14 | 28 | 23 | 16 | 277 | 1 |
| 34 | 25 | DT651H34S | DT661H27S | DT631H27S | WS-14 | 28 | 23 | 16 | 309 | 1 |
| 40 | 30 | DT651H40S | DT661H40S | DT631H40S | WS-14 | 28 | 23 | 16 | 329 | 1 |
| 51 | 40 | DT651H51S | DT661H51S | DT631H51S | WS-14 | 28 | 23 | 16 | 372 | 1 |
| 63 | 50 | DT651H63S | DT661H63S | DT631H63S | WS-30 | 34 | 28 | 22 | 479 | 1 |
| 75 | 60 | DT651H75S | DT661H75S | DT631H75S | WS-30 | 34 | 28 | 22 | 510 | 1 |
| 93 | 75 | DT651H93S | DT661H93S | DT631H93S | WS-30 | 34 | 28 | 22 | 637 | 1 |
| 118 | 100 | DT651H118S | DT661H118S | DT631H118S | WS-10 | 44 | 33 | 21 | 910 | 1 |
| 145 | 125 | DT651H145S | DT661H145S | DT631H145S | WS-10 | 44 | 33 | 21 | 920 | 1 |
| 175 | 150 | DT651H175S | DT661H175S | DT631H175S | WS-11 | 46 | 36 | 24 | 1150 | 1 |
| 220 | 200 | DT651H220S | DT661H220S | DT631H220S | WS-11 | 46 | 36 | 24 | 1280 | 1 |
| 275 | 250 | DT651H275S | DT661H275S | DT631H275S | WS-11 | 46 | 36 | 16 | 1415 | 1 |
| 330 | 300 | DT651H330S | DT661H330S | DT631H330S | WS-11 | 46 | 36 | 24 | 1525 | 1 |
| 440 | 400 | DT651H440S | DT661H440S | DT631H440S | WS-12 | 65 | 45 | 35 | 2450 | 1 |
