Single coil type (TX1) and twin coil type (TX2) for bi -directional control of automobile motors High power, miniature design 30A, 16VDC switching current capacity Sealed for immersion cleaning UL E1555 n Coil Rating (All Coil Voltages 12VDC only) @ 20°C Coil Resistance (W ± 10%) 200 250 3.