The UPD2425 from Sensata / Crydom is single pole single throw SPST (1 Form A) solid state relay with NO contact configuration and PC pin termination. This 6-SIP package relay has AC, zero cross output, 3 to 32VDC input, 25A load current and 24 to 280V load voltage range. Dimensions of this relay are: 78.38 mm L x 12.7 mm W x 28.58 mm H.