AQ-A Small Screw Terminal SSRs Panasonic AQ-A Series Small Screw Terminal Solid State Relay is a 10A 600VDC option to the original range of 15A, 25A, or 40A and 75V to 250VAC models. The AQ-A series has a compact size of 40mm x 58mm x 25.5mm with a mounting pitch of 47.5mm. The range is constructed with a terminal cover on the output side for safety and is RoHS compliant.