6A JUMPFLEX Plug Base with Miniature Switching Relays – 857 Series – WAGO 857-305, 48V DC miniature switching relay that plugs into a base with the JUMPFLEX system that utilises a single, flexible in-line jumper system (e.g. for supply voltages) that eliminates discrete wiring. The relays can be replaced quickly and easily when required. WAGO 857-305 Relay SPDT-CO 48VDC