Datasheet CP2000 690V Frame H1 Frame H2 Power terminals (general) Mains input wiring for Frame G, H By supplying L11,L21,L31 and L11,L12,L13 from transformer windings that have a 30° phase angle difference, it is possible to reduce the 5 th and 7 th harmonics. DELTA ELECTRONICS, INC. 15 of 21 Delta reserves the right to make ALL RIGHTS RESERVED changes without prior notice