Relay Modules

Product Price*
Smart Relay Shield The primary purpose of the SRS is to provide the ability to programatically switch mains voltages. This has already been achieved... $45.95
Super4 USB Relay Module By TcTec Super4 USB Relay Module Switch Four Relays 5 AMP 240VAC with this USB hub powered, modular relay control board. Relays (4 x): 5 Amp 30VDC, 5Amp 250V AC... $59.95
Super4 RS485 Relay Module Super4 RS485 Relay Module The SUPER4 RS485 Module is a relay control board containing 4 mechanical SPDT (Single Pole Double Throw) power relays. The module... $59.95
TCW180B - Ethernet controller TCW180 is a multifunctional device for remote control. It is an Ethernet based controller, which is designed to work in IP-based... $106.95
TCW110 - Ethernet Controller And Relay Discontinued, this is for reference only. Please see TCW111/ The TCW110 is a multifunctional device for remote monitoring and... $45.41
TCW111 - Ethernet controller TCW111 - Ethernet controller TCW111 is an Ethernet based controller, which is designed to work in IP-based networks. Its functionality allows solving a range... $57.95
TCW120B - Ethernet controller TCW120B - Ethernet controller TCW120B is a multifunctional device for remote monitoring and management. It is an Ethernet based controller, which is designed... $73.95
PowerSwitch Tail IIU Kit (240v) PowerSwitch Tail IIU Kit (240v) The PST IIU-240 works for 200-240v ac devices and provides single pole switching at 20 amps and 5300vrms isolation. User provides... $26.95
Grove Relay The Relay Twig is a digital normally open switch that controls a relay capable of switching much higher voltages and currents... $4.95