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THREE PHASE AUTOTRANSFORMERS ATTP range |
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| POWER | INPUT | OUTPUT | FREQUENCY | STANDARDS |
| FROM 1KVA TO 500KVA | 230/400V | 230/400V | 50/60 Hz | EN 61558-2-13 |
| CEI 14-4 | ||||
| BS 171 |
| Open type
construction Protection IP00 Isolation class F (Ta max 45°C) Copper windings cl. H Resin impregnated and tropicalised Connections on terminal blocks to 25kVA (or to 63A) Connections on brass bolts from 30kVA (or from 64A) Extra low losses grain oriented core from 40kVA Vector group: Yn0 See the range in metal enclosure |
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| power | code | losses (W) | short circ. | regulation | dimensions mm. | DWG | weight | box | ||||||
| KVA | no load | load | volt. % | % | A | B | C | D | E | F | kg. | code | ||
| 1 | ATTP179 | 12 | 50 | 3.0 | 3.0 | 180 | 120 | 150 | 145 | 70 | 6 | A | 7.3 | SAM01 |
| 2 | ATTP219 | 20 | 80 | 3.0 | 3.0 | 180 | 140 | 150 | 145 | 85 | 6 | A | 11.0 | SAM01 |
| 3 | ATTP249 | 28 | 100 | 3.0 | 2.5 | 240 | 145 | 185 | 175 | 90 | 6 | A | 17.0 | SAM01 |
| 4 | ATTP267 | 35 | 120 | 3.0 | 2.5 | 240 | 155 | 185 | 175 | 100 | 6 | A | 18.5 | SAM01 |
| 5 | ATTP287 | 40 | 150 | 3.0 | 2.5 | 240 | 170 | 185 | 175 | 115 | 6 | A | 22.0 | SAM01 |
| 7.5 | ATTP337 | 50 | 200 | 3.0 | 2.5 | 300 | 195 | 230 | 220 | 105 | 6 | A | 35.0 | SAM02 |
| 10 | ATTP387 | 55 | 230 | 3.0 | 2.5 | 300 | 205 | 230 | 220 | 115 | 6 | A | 39.0 | SAM02 |
| 15 | ATTP427 | 80 | 300 | 3.0 | 2.5 | 360 | 250 | 285 | 280 | 140 | 8 | A | 53.0 | SAM03 |
| 20 | ATTP467 | 90 | 320 | 3.0 | 2.5 | 360 | 260 | 285 | 280 | 150 | 8 | A | 62.0 | SAM03 |
| 25 | ATTP507 | 95 | 380 | 3.0 | 2.5 | 420 | 265 | 360 | 300 | 140 | 8 | A | 74.0 | SAM04 |
| 30 | ATTP547 | 105 | 420 | 3.0 | 2.5 | 420 | 295 | 360 | 300 | 170 | 8 | A | 94.0 | SAM04 |
| 40 | ATTP627 | 120 | 500 | 3.0 | 2.5 | 480 | 290 | 465 | 370 | 190 | 10 | B | 115.0 | SAM05 |
| 50 | ATTP707 | 150 | 600 | 3.0 | 2.5 | 480 | 290 | 465 | 370 | 190 | 10 | B | 125.0 | SAM05 |
| 60 | ATTP727 | 175 | 750 | 3.0 | 2.5 | 540 | 270 | 510 | 490 | 200 | 10 | B | 140.0 | SAM07 |
| 70 | ATTP747 | 180 | 800 | 3.0 | 2.5 | 540 | 270 | 510 | 490 | 200 | 10 | B | 152.0 | SAM07 |
| 80 | ATTP767 | 200 | 1000 | 3.0 | 2.5 | 540 | 270 | 510 | 490 | 200 | 10 | B | 160.0 | SAM07 |
| 90 | ATTP787 | 210 | 1200 | 3.0 | 2.5 | 540 | 370 | 510 | 490 | 200 | 10 | B | 165.0 | SAM07 |
| 100 | ATTP807 | 230 | 1400 | 3.0 | 2.5 | 540 | 370 | 510 | 490 | 200 | 10 | B | 178.0 | SAM07 |
| 125 | ATTP812 | 290 | 1600 | 3.0 | 2.5 | 690 | 340 | 660 | 600 | 210 | 10 | B | 235.0 | SAM07 |
| 150 | ATTP817 | 310 | 1850 | 3.0 | 2.5 | 690 | 340 | 660 | 300 | 200 | 10 | B | 258.0 | SAM07 |
| 175 | ATTP822 | 320 | 2100 | 3.0 | 2.5 | 690 | 340 | 660 | 300 | 200 | 10 | B | 280.0 | SAM07 |
| 200 | ATTP827 | 330 | 2350 | 3.0 | 2.5 | 690 | 340 | 660 | 300 | 200 | 10 | B | 300.0 | SAM07 |
| ASK FOR PART NOS. AND SPECIFICATION OF HIGHER RATINGS | ||||||||||||||
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