The D53TP50D-10 from Sensata / Crydom is three pole single throw 3PST (3 Form A) solid state relay with NO contact configuration and screw terminal termination. This module package relay has AC output, 4 to 32VDC input, 50A load current and 48 to 530V load voltage range. Dimensions of this relay are: 4.09" (103.8mm) x 2.89" (73.4mm) x 1.18" (30.0mm).