Type TSUN 4444 TSUN 4744 TSUN 5044 TSUN 5344 TSUN 5444 TSUN 5544 TSUN 5644 TSUN 5744 TSUN 5844 TSUN 5944 TSUN 6044 TSUN 6144 TSUN 6244 Rated Power KVA 25 50 100 200 250 315 400 500 630 800 1000 1250 1600 Rated HV/LV voltage KV 20/0.4 20/0.4 20/0.4 20/0.4 20/0.4 20/0.4 20/0.4 20/0.4 20/0.4 20/0.4 20/0.4 20/0.4 20/0.4 Taps in HV % ± 4 4 4 4 5 5 5 5 5 5 5 5 5 Rated frequency Hz 50 50 50 50 50 50 50 50 50 50 50 50 50 Vector Group Yzn5 Yzn5 Yzn5 Yzn5 Dyn5 Dyn5 Dyn5 Dyn5 Dyn5 Dyn5 Dyn5 Dyn5 Dyn5 Short Circuit voltage 4 4 4 4 6 6 6 6 6 6 6 6 6 Max. Ambient Temp. m 40 40 40 40 40 40 40 40 40 40 40 40 40 Max. Altitude above sea level m 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 Rated HV current A 0.72 1.44 2.89 5.77 7.22 9.09 11.55 14.43 18.2 23.09 28.87 36.1 46.2 Rated LV current A 36.1 72.2 144.3 289 361 455 577 722 909.3 1155 1443 1804 2309 No-Load Losses W A 150 210 340 570 610 720 850 1000 1200 1450 1750 2100 2550 B - 125 210 360 425 510 610 720 800 950 1100 1300 1700 No-Load Current % A 4.3 2.8 2.6 2.4 2.1 2 1.8 1.7 1.6 1.5 1.4 1.4 1.3 B - 2 1.8 1.6 1.5 1.4 1.3 1.2 1.1 1 1 1.1 1.2 Short Circuit Losses in 75 W A 750 1250 2150 3600 4450 5400 6450 7800 9300 11000 13500 16400 19800 B - 875 1475 2350 2750 3250 3850 4950 5600 7400 9500 11400 14000 Applied insulation Test Voltage KV 50/3 50/3 50/3 50/3 50/3 50/3 50/3 50/3 50/3 50/3 50/3 50/3 50/3