Dual Relay Controller Board
Low-Cost 2 Relay Control BoardLarge Selection
We offer a large selection of Dual Relay Drivers for applications ranging from low power signal switching to high voltage, high current applications. If your looking for a two channel relay controller we have a configuration to fit every need. Our R25/R210 series relay can be controlled at 9600 baud and are compatible with any computer or microcontroller capable of delivering RS-232 data. Our 2 Channel USB Relay interface mounts as a virtual COM port for easy programming across all major operating systems, ensuring compatibility with all programming languages that support serial connections. And if your looking for wireless, our 2 Channel 802.15.4 Wireless Relay couldn't be easier! A 802.15.4 Wireless relay controller offers wireless communications with no special software!
Latest Advancements
Look for our ProXR series controllers for the latest advancements is signal switching! Available in USB Relay and 802.15.4 Wireless Relay configurations, the ProXR Series is capable of controlling up to 256 relays. Whether you need power switching or DPDT signal switching, the ProXR Series are built from the ground up with Expansion in mind. Simply Chain the
XR Expansion Modules , one after another, to meet your computer controlled switching requirements. For more detailed information and to order, please click on the links below.
2-Relay Controller Boards
RS-232 2-Channel 5-Amp SPDT Relay Controller Board
RS-232 2-Channel 10-Amp SPDT Relay Controller Board
RS-232 2-Channel 1-Amp DPDT Small Signal Relay Controller Board
RS-232 2-Channel 3-Amp DPDT Signal Relay Controller Board
2-Channel 5-Amp DPDT High-Current Signal Relay Controller Board
2-Channel RS-232 20-Amp SPDT High-Power Relay Controller Board
2-Channel 30-Amp SPST High-Power RS-232 Relay Controller Board
USB Relay Controller 2-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D
USB Relay Controller 2-Channel 30 Amp SPST + 8-Channel 8/10-Bit A/D
802.15.4 Wireless Relay Controller 2-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D
802.15.4 Wireless Relay Controller 2-Channel 30 Amp SPST + 8-Channel 8/10-Bit A/D
RS-232 Relay Controller 2-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D
RS-232 Relay Controller 2-Channel 30 Amp SPST + 8-Channel 8/10-Bit A/D
Bluetooth Wireless Relay Controller 2-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D
Bluetooth Wireless Relay Controller 2-Channel 30 Amp SPST + 8-Channel 8/10-Bit A/D
Fiber Optic Relay Controller 2-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D
Fiber Optic Relay Controller 2-Channel 30 Amp SPST + 8-Channel 8/10-Bit A/D
RS-232 2-Channel 5-Amp SPDT Relay Controller with RS-232 Interface
2-Channel RS-232 10-Amp SPDT Relay Controller with RS-232 Interface
2-Channel 1-Amp DPDT Relay Controller with RS-232 and Relay Interface
2-Channel 3-Amp DPDT Relay Controller with RS-232 and Relay Interface
2-Channel 5-Amp DPDT Relay Controller with RS-232 and Relay Interface
LOW COST 2-Channel 20A SPDT RS-232 Relay Controller
LOW COST 2-Channel 20A SPDT Relay Controller with RS-232 Interface
2-Channel 20A SPDT Relay Controller with RS-232 Interface
2-Channel 30A SPST Relay Controller with RS-232 Interface
2-Channel 1-Amp DPDT RS-232 Relay Controller with Relay Interface
2-Channel 3-Amp DPDT RS-232 Relay Controller with Relay Interface
2-Channel 5-Amp DPDT RS-232 Relay Controller with Relay Interface
RS-232 2-Channel Solid State Relay Controller
RS-232 2-Channel Solid State Relay Controller with RS-232 Interface
ZB ZigBee Relay Controller 2-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D
ZB ZigBee Relay Controller 2-Channel 30 Amp SPST + 8-Channel 8/10-Bit A/D
Relay Mirror Pair 2-Controllers Each with Two 5-Amp SPDT Relay and 2 Contact Closure Inputs
Relay Mirror Pair 2-Controllers Each with Two 10-Amp SPDT Relay and 2 Contact Closure Inputs
Relay Mirror Pair 2-Controllers Each with Two 20-Amp SPDT Relay and 2 Contact Closure Inputs
Relay Mirror Pair 2-Controllers Each with Two 30-Amp SPST Relay and 2 Contact Closure Inputs
Reactor Relay 2-Channel 5-Amp SPDT + 8-Channel 8-Bit A/D with USB Interface
Reactor Relay 2-Channel 10-Amp SPDT + 8-Channel 8-Bit A/D with USB Interface
Reactor Relay 2-Channel 20-Amp SPDT + 8-Channel 8-Bit A/D with USB Interface
Reactor Relay 2-Channel 30-Amp SPST + 8-Channel 8-Bit A/D with USB Interface
Reactor Relay 2-Channel 5-Amp SPDT + 8-Channel 8-Bit A/D with 802.15.4 Interface
Reactor Relay 2-Channel 10-Amp SPDT + 8-Channel 8-Bit A/D with 802.15.4 Interface
Reactor Relay 2-Channel 20-Amp SPDT + 8-Channel 8-Bit A/D with 802.15.4 Interface
Reactor Relay 2-Channel 30-Amp SPST + 8-Channel 8-Bit A/D with 802.15.4 Interface
Reactor Relay 2-Channel 5-Amp SPDT + 8-Channel 8-Bit A/D with ZB ZigBee Interface
Reactor Relay 2-Channel 10-Amp SPDT + 8-Channel 8-Bit A/D with ZB ZigBee Interface
Reactor Relay 2-Channel 20-Amp SPDT + 8-Channel 8-Bit A/D with ZB ZigBee Interface
Reactor Relay 2-Channel 30-Amp SPST + 8-Channel 8-Bit A/D with ZB ZigBee Interface
Reactor Relay 2-Channel 5-Amp SPDT + 8-Channel 8-Bit A/D with XSC Interface
Reactor Relay 2-Channel 10-Amp SPDT + 8-Channel 8-Bit A/D with XSC Interface
Reactor Relay 2-Channel 20-Amp SPDT + 8-Channel 8-Bit A/D with XSC Interface
Reactor Relay 2-Channel 30-Amp SPST + 8-Channel 8-Bit A/D with XSC Interface
Key Fob Relay 2-Channel 5-Amp SPDT + 1-Channel 8-Bit A/D with USB Interface
Key Fob Relay 2-Channel 10-Amp SPDT + 1-Channel 8-Bit A/D with USB Interface
Key Fob Relay 2-Channel 20-Amp SPDT + 1-Channel 8-Bit A/D with USB Interface
Key Fob Relay 2-Channel 30-Amp SPST + 1-Channel 8-Bit A/D with USB Interface
Key Fob Relay 2-Channel 5-Amp SPDT + 1-Channel 8-Bit A/D with 802.15.4 Interface
Key Fob Relay 2-Channel 10-Amp SPDT + 1-Channel 8-Bit A/D with 802.15.4 Interface
Key Fob Relay 2-Channel 20-Amp SPDT + 1-Channel 8-Bit A/D with 802.15.4 Interface
Key Fob Relay 2-Channel 30-Amp SPST + 1-Channel 8-Bit A/D with 802.15.4 Interface
Key Fob Relay 2-Channel 5-Amp SPDT + 1-Channel 8-Bit A/D with ZB ZigBee Interface
Key Fob Relay 2-Channel 10-Amp SPDT + 1-Channel 8-Bit A/D with ZB ZigBee Interface
Key Fob Relay 2-Channel 20-Amp SPDT + 1-Channel 8-Bit A/D with ZB ZigBee Interface
Key Fob Relay 2-Channel 30-Amp SPST + 1-Channel 8-Bit A/D with ZB ZigBee Interface
Key Fob Relay 2-Channel 5-Amp SPDT + 1-Channel 8-Bit A/D with XSC Interface
Key Fob Relay 2-Channel 10-Amp SPDT + 1-Channel 8-Bit A/D with XSC Interface
Key Fob Relay 2-Channel 20-Amp SPDT + 1-Channel 8-Bit A/D with XSC Interface
Key Fob Relay 2-Channel 30-Amp SPST + 1-Channel 8-Bit A/D with XSC Interface
ProXR Lite Relay 2-Channel 5-Amp SPDT with 802.15.4 Interface
ProXR Lite Relay 2-Channel 10-Amp SPDT with 802.15.4 Interface
ProXR Lite Relay 2-Channel 20-Amp SPDT with 802.15.4 Interface
ProXR Lite Relay 2-Channel 30-Amp SPST with 802.15.4 Interface
ProXR Lite Relay 2-Channel 5-Amp SPDT with USB Interface
ProXR Lite Relay 2-Channel 10-Amp SPDT with USB Interface
ProXR Lite Relay 2-Channel 20-Amp SPDT with USB Interface
ProXR Lite Relay 2-Channel 30-Amp SPST with USB Interface
ProXR Lite Relay 2-Channel 5-Amp SPDT with ZB ZigBee Interface
ProXR Lite Relay 2-Channel 10-Amp SPDT with ZB ZigBee Interface
ProXR Lite Relay 2-Channel 20-Amp SPDT with ZB ZigBee Interface
ProXR Lite Relay 2-Channel 30-Amp SPST with ZB ZigBee Interface
ProXR Lite Relay 2-Channel 5-Amp SPDT with XSC Interface
ProXR Lite Relay 2-Channel 10-Amp SPDT with XSC Interface
ProXR Lite Relay 2-Channel 20-Amp SPDT with XSC Interface
ProXR Lite Relay 2-Channel 30-Amp SPST with XSC Interface
Ethernet ProXR Lite Relay 2-Channel 5-Amp SPDT with ME Firmware
Ethernet ProXR Lite Relay 2-Channel 10-Amp SPDT with ME Firmware
Ethernet ProXR Lite Relay 2-Channel 20-Amp SPDT with ME Firmware
Ethernet ProXR Lite Relay 2-Channel 30-Amp SPST with ME Firmware
Ethernet Reactor Relay 2-Channel 5-Amp SPDT + 8-Channel 8-Bit A/D with Web-Browser Interface
Ethernet Reactor Relay 2-Channel 10-Amp SPDT + 8-Channel 8-Bit A/D with Web-Browser Interface
Ethernet Reactor Relay 2-Channel 20-Amp SPDT + 8-Channel 8-Bit A/D with Web-Browser Interface
Ethernet Reactor Relay 2-Channel 30-Amp SPST + 8-Channel 8-Bit A/D with Web-Browser Interface
Ethernet Reactor Relay 2-Channel 5-Amp SPDT + 8-Channel 8-Bit A/D with ME Firmware
Ethernet Reactor Relay 2-Channel 10-Amp SPDT + 8-Channel 8-Bit A/D with ME Firmware
Ethernet Reactor Relay 2-Channel 20-Amp SPDT + 8-Channel 8-Bit A/D with ME Firmware
Ethernet Reactor Relay 2-Channel 30-Amp SPST + 8-Channel 8-Bit A/D with ME Firmware
Reactor Relay 2-Channel Solid State + 8-Channel 8-Bit A/D with USB Interface
Reactor Relay 2-Channel Solid State Mix + 8-Channel 8-Bit A/D with USB Interface
Reactor Relay 2-Channel Solid State + 8-Channel 8-Bit A/D with 802.15.4 Interface
Reactor Relay 2-Channel Solid State Mix + 8-Channel 8-Bit A/D with 802.15.4 Interface
Reactor Relay 2-Channel Solid State + 8-Channel 8-Bit A/D with ZB ZigBee Interface
Reactor Relay 2-Channel Solid State Mix + 8-Channel 8-Bit A/D with ZB ZigBee Interface
Reactor Relay 2-Channel Solid State + 8-Channel 8-Bit A/D with XSC Interface
Reactor Relay 2-Channel Solid State Mix + 8-Channel 8-Bit A/D with XSC Interface
Ethernet Reactor Relay 2-Channel Solid State + 8-Channel 8-Bit A/D with ME Firmware
Ethernet Reactor Relay 2-Channel Solid State Mix + 8-Channel 8-Bit A/D with ME Firmware
Ethernet Reactor Relay 2-Channel Solid State + 8-Channel 8-Bit A/D with Web-Browser Interface
Ethernet Reactor Relay 2-Channel Solid State Mix + 8-Channel 8-Bit A/D with Web-Browser Interface
Wireless Relay Mirror Pair with 2 Contact Closure Inputs and Receiver with 2 Relay 10-Amp SPDT
2-Way LAN and Internet Pair with 2 Contact Closure Sender and Receiver with 2 10-Amp SPDT Relays
Wireless Relay Mirror Pair with 2 Contact Closure Inputs and Receiver with 2 Relay 20-Amp SPDT
2-Way LAN and Internet Pair with 2 Contact Closure Sender and Receiver with 2 20-Amp SPDT Relays
Wireless Relay Mirror Pair with 2 Contact Closure Inputs and Receiver with 2 Relay 30-Amp SPST
2-Way LAN and Internet Pair with 2 Contact Closure Sender and Receiver with 2 30-Amp SPST Relays
Wireless Relay Mirror Pair with 2 Contact Closure Inputs and Receiver with 2 Relay 5-Amp SPDT
2-Way LAN and Internet Pair with 2 Contact Closure Sender and Receiver with 2 5-Amp SPDT Relays
Time Activated Relay 2-Channel 10-Amp SPDT with 802.15.4 Interface
Time Activated Relay 2-Channel 10-Amp SPDT with USB Interface
Time Activated Relay 2-Channel 10-Amp SPDT with XSC Interface
Time Activated Relay 2-Channel 10-Amp SPDT with ZB ZigBee Interface
Ethernet Time Activated Relay 2-Channel 10-Amp SPDT with ME Firmware
Ethernet Time Activated Relay 2-Channel 10-Amp SPDT with Web-Browser Interface
Time Activated Relay 2-Channel 20-Amp SPDT with 802.15.4 Interface
Time Activated Relay 2-Channel 20-Amp SPDT with USB Interface
Time Activated Relay 2-Channel 20-Amp SPDT with XSC Interface
Time Activated Relay 2-Channel 20-Amp SPDT with ZB ZigBee Interface
Ethernet Time Activated Relay 2-Channel 20-Amp SPDT with ME Firmware
Ethernet Time Activated Relay 2-Channel 20-Amp SPDT with Web-Browser Interface
Time Activated Relay 2-Channel 30-Amp SPST with 802.15.4 Interface
Time Activated Relay 2-Channel 30-Amp SPST with USB Interface
Time Activated Relay 2-Channel 30-Amp SPST with XSC Interface
Time Activated Relay 2-Channel 30-Amp SPST with ZB ZigBee Interface
Ethernet Time Activated Relay 2-Channel 30-Amp SPST with ME Firmware
Ethernet Time Activated Relay 2-Channel 30-Amp SPST with Web-Browser Interface
Time Activated Relay 2-Channel 5-Amp SPDT with 802.15.4 Interface
Time Activated Relay 2-Channel 5-Amp SPDT with USB Interface
Time Activated Relay 2-Channel 5-Amp SPDT with XSC Interface
Time Activated Relay 2-Channel 5-Amp SPDT with ZB ZigBee Interface
Ethernet Time Activated Relay 2-Channel 5-Amp SPDT with ME Firmware
Ethernet Time Activated Relay 2-Channel 5-Amp SPDT with Web-Browser Interface