URB1D_LD-20WR3 series are isolated 20W DC-DC products with 4:1 input voltage .Their feature efficiency up to 87%, 2250VDC isolation with
enhanced isolation, operating temperature of -40℃ to +85℃, Input Under-voltage Protection, Output short circuit, over-current,
over–voltage protection.Railway vehicle electronic equipment widely used in 72V, 96V and 110V