SK-TRF8-MW is the new Panel Mount socket to go along with the new 21XBXHL Flash Transfer Relay that was designed for the Next Generation ATC Traffic Light Cabinets. This socket has flanges that can be used for mounting direct to a panel with cutouts and has solder terminals for soldering wires on to make the secure connections. They are made to handle up to 10 Amps @ 48VDC /120VAC loads.