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Mainrange of product Square Dproduct or component type DOE 2016 energy efficient transformerdevice application Low voltage electrical distributionComplementaryPhase 3 phaserated operational power in VA 150 kVAnetwork frequency 60 Hztype of cooling Natural convectionprimary voltage 480 V deltanumber of tap-offs 2 2.5 % FCAN4 2.5 % FCBNsecondary voltage 208Y/120 VCoil Material AluminiumBasic IMP level (BIL) 10 kVTemperature Rise 150 °C220 °C insulatedDOE Efficiency 99 % at 35 % load factor , 167 °F (75.0 °C)Sound Level 47 dB3 dB NEMA ST-20%IZ 4.20 %%IX 0.036 %X/R Ratio 1.69Let Through Current 10.0 kATransformer Losses 210.0 no load (core loss)3192.0 load loss (coil loss)Transformer BTU/HR 1016.677571966784 16.6 %1397.272149 25 %3439.439136 50 %6843.050781 75 %11608.107084 100 %height 49.09 in (1247 mm)depth 28.46 in (723 mm)Maximum Width 33.66 in (855 mm)Net Weight 1100.00 lb(US) (498.95 kg)mounting support FloorFloor, with 7400FMBCeiling, with 7400CMB22Kdegree of protection UL type 1UL type 2, with 7400DS22KUL type 3R, with 7400WS22Kelectrical connection 4 Hole Nema Pad primary 0.44 in (11.1 mm)4 Hole Nema Pad secondary 0.44 in (11.1 mm)6 Hole Nema Pad sec - XO 0.44 in (11.1 mm)Environmentambient air temperature for operation 104 °F (40 °C)average ambient air temperature for operation 30 °Cstandards UL 1561CSA C22.2 No 47NEMA ST-20Additional Prep Fees May Apply