Relay Terminal Blocks - DEK-REL. DEK-REL relay terminal blocks, with soldered-in miniature relays for small to medium loads. 1 N/O contact Terminal width 6.2 mm Reduced costs as N terminal block is no longer required Up to 73% more space Wiring reduced to a minimum Integrated input circuit 2-layer contact with hard gold plating for universal applications from 1 mA to 5 A continuous current