2 PRI 120 -375V 60kH z 7 1 SEC 20 V - 750 m A 4 8 SEC 30 V - 20 m A 3 ELECTRICAL SPECIFICATIONS @ 25°C unless otherwise noted: D .C. RESISTANCE (@20 °C): 1-2 , 2.85 Ohm s ± 10 % . 3-4 , 1.37 Ohm s ± 10 % . 7-8 , 0 .12 Ohm s ± 20 % . D IELECTRIC RATING : 40 0 0 V AC, 1 m inute tested b y a p p ly ing 40 0 0 V AC for 1 sec ond b etween p ins 1-8(tie 2+ 3). 50 0 V AC, 1 m inute tested b y a p p ly ing 6 25V AC for 1 sec ond b etween p ins 1-4. IND U CTANCE: 1.48 m H ± 10 % , 10 k H z , 10 0 m V AC, 0 m AD C, 1-2, Ls. SATU RATION CU RRENT: 80 0 m A sa tura ting c urrent tha t c a uses 20 % rolloff from initia l induc ta nc e. LEAK AG E IND U CTANCE: 21µ H ty p ., 35µ H m a x ., 10 0 k H z , 10 0 m V AC, 1-2(tie 3+ 4, 7+ 8), Ls. TU RNS RATIO: ( 2-1 ):( 4-3 ), ( 3.846 ):( 1 ), ± 1% . ( 2-1 ):( 7-8 ), ( 5.76 9 ):( 1 ), ± 1% . Func tiona l insula tion for a p rim a ry c irc uit a t a work ing v olta g e of 40 0 V D C. OPERATING TEMPERATURE RANGE: -40°C to 125°C including temp. rise. T_ 0 _ 5420 W E-M idc om , Inc . W a tertown, SD U SA Toll Free: 80 0 -6 43-26 6 1 Fa x : 6 0 5-886 -4486 This dra wing is dua l dim ensioned. D im ensions is b ra c k ets a re in m illim eters U nless otherwise sp ec ified, tolera nc es a re a s follows: Ang les: ± 1° Fra c tions: ± 1/6 4 D ec im a ls:± .0 0 5(.127m m ) W E-M idc om , Inc . D ra wing Title D ra wing Num b er Rev . Tra nsform er 750 31140 2 01 Rev isions: See Sheet 1 Eng ineer:APS Sc a le ---- Sheet 2 of 5 11/25/20 0 9