The LS240D12 from Sensata / Crydom is single pole single throw SPST (1 Form A) solid state relay with NO contact configuration and PC pin termination. This 4-SIP package relay has AC, zero cross output, 4 to 10VDC input, 12A load current and 24 to 280V load voltage range. Dimensions of this relay are: 35.5 mm L x 11.1 mm W x 31 mm H.