Dual Relay Controller Board

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Low-Cost 2 Relay Control Board

Large 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

Displaying 51 - 100 of 251 Products in this Category.
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KLRSSR2x_ZBT_MIX
  • 2 Relays
  • Optional Amp Solid-State
  • Bluetooth Communication
  • Range: 300 ft.
  • Ideal Use: SS Switching
  • Key-Fob Series
  • Learn More
$212.00/ea
KLRSSR2x_ZETH-ME
  • 2 Relays
  • Optional Amp Solid-State
  • Ethernet Communication
  • Ideal Use: SS Switching
  • Key-Fob Series
  • Learn More
$206.00/ea
KLRSSR2x_ZETH-ME_MIX
  • 2 Relays
  • Optional Amp Solid-State
  • Ethernet Communication
  • Ideal Use: SS Switching
  • Key-Fob Series
  • Learn More
$206.00/ea
KLRSSR2x_ZETH-ME_WIFI
  • 2 Relays
  • Optional Amp Solid-State
  • WiFi Communication
  • Range: 300 ft.
  • Ideal Use: SS Switching
  • Key-Fob Series
  • Learn More
$275.00/ea
KLRSSR2x_ZETH-ME_WIFI_MIX
  • 2 Relays
  • Optional Amp Solid-State
  • WiFi Communication
  • Range: 300 ft.
  • Ideal Use: SS Switching
  • Key-Fob Series
  • Learn More
$275.00/ea
KLRSSR2x_ZETH-NET
  • 2 Relays
  • Optional Amp Solid-State
  • Web Communication
  • Ideal Use: SS Switching
  • Key-Fob Series
  • Learn More
$226.00/ea
KLRSSR2x_ZETH-NET_MIX
  • 2 Relays
  • Optional Amp Solid-State
  • Web Communication
  • Ideal Use: SS Switching
  • Key-Fob Series
  • Learn More
$226.00/ea
KLRSSR2x_ZETH-NET_WIFI
  • 2 Relays
  • Optional Amp Solid-State
  • WiFi Communication
  • Range: 300 ft.
  • Ideal Use: SS Switching
  • Key-Fob Series
  • Learn More
$295.00/ea
KLRSSR2x_ZETH-NET_WIFI_MIX
  • 2 Relays
  • Optional Amp Solid-State
  • WiFi Communication
  • Range: 300 ft.
  • Ideal Use: SS Switching
  • Key-Fob Series
  • Learn More
$295.00/ea
KLRSSR2x_ZRS
  • 2 Relays
  • Optional Amp Solid-State
  • Serial Communication
  • Ideal Use: SS Switching
  • Key-Fob Series
  • Learn More
$166.00/ea
KLRSSR2x_ZRS_MIX
  • 2 Relays
  • Optional Amp Solid-State
  • Serial Communication
  • Ideal Use: SS Switching
  • Key-Fob Series
  • Learn More
$166.00/ea
LRR210_802154
  • 2 Relays
  • 10 Amp SPDT
  • 802.15.4 Communication
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$128.00/ea
LRR210_USB
  • 2 Relays
  • 10 Amp SPDT
  • USB Communication
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$139.00/ea
LRR210_XSC
  • 2 Relays
  • 10 Amp SPDT
  • XSC Communication
  • Range: 1 mi. to 15 mi.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$193.00/ea
LRR210_ZBMESH
  • 2 Relays
  • 10 Amp SPDT
  • ZigBee Communication
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$128.00/ea
LRR210_ZBT
  • 2 Relays
  • 10 Amp SPDT
  • Bluetooth Communication
  • Range: 300 ft.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$184.00/ea
LRR210_ZETH-ME
  • 2 Relays
  • 10 Amp SPDT
  • Ethernet Communication
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$178.00/ea
LRR210_ZETH-ME_WIFI
  • 2 Relays
  • 10 Amp SPDT
  • WiFi Communication
  • Range: 300 ft.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$247.00/ea
LRR210_ZETH-NET
  • 2 Relays
  • 10 Amp SPDT
  • Web Communication
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$198.00/ea
LRR210_ZRS
  • 2 Relays
  • 10 Amp SPDT
  • Serial Communication
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$138.00/ea
LRR220_802154
  • 2 Relays
  • 20 Amp SPDT
  • 802.15.4 Communication
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$138.00/ea
LRR220_USB
  • 2 Relays
  • 20 Amp SPDT
  • USB Communication
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$149.00/ea
LRR220_XSC
  • 2 Relays
  • 20 Amp SPDT
  • XSC Communication
  • Range: 1 mi. to 15 mi.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$203.00/ea
LRR220_ZBMESH
  • 2 Relays
  • 20 Amp SPDT
  • ZigBee Communication
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$138.00/ea
LRR220_ZBT
  • 2 Relays
  • 20 Amp SPDT
  • Bluetooth Communication
  • Range: 300 ft.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$194.00/ea
LRR220_ZETH-ME
  • 2 Relays
  • 20 Amp SPDT
  • Ethernet Communication
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$188.00/ea
LRR220_ZETH-ME_WIFI
  • 2 Relays
  • 20 Amp SPDT
  • WiFi Communication
  • Range: 300 ft.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$257.00/ea
LRR220_ZETH-NET
  • 2 Relays
  • 20 Amp SPDT
  • Web Communication
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$208.00/ea
LRR220_ZRS
  • 2 Relays
  • 20 Amp SPDT
  • Serial Communication
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$148.00/ea
LRR230_802154
  • 2 Relays
  • 30 Amp SPST
  • 802.15.4 Communication
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$148.00/ea
LRR230_USB
  • 2 Relays
  • 30 Amp SPST
  • USB Communication
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$159.00/ea
LRR230_XSC
  • 2 Relays
  • 30 Amp SPST
  • XSC Communication
  • Range: 1 mi. to 15 mi.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$213.00/ea
LRR230_ZBMESH
  • 2 Relays
  • 30 Amp SPST
  • ZigBee Communication
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$148.00/ea
LRR230_ZBT
  • 2 Relays
  • 30 Amp SPST
  • Bluetooth Communication
  • Range: 300 ft.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$204.00/ea
LRR230_ZETH-ME
  • 2 Relays
  • 30 Amp SPST
  • Ethernet Communication
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$198.00/ea
LRR230_ZETH-NET
  • 2 Relays
  • 30 Amp SPST
  • Web Communication
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$218.00/ea
LRR230_ZRS
  • 2 Relays
  • 30 Amp SPST
  • Serial Communication
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$158.00/ea
LRR25_802154
  • 2 Relays
  • 5 Amp SPDT
  • 802.15.4 Communication
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$118.00/ea
LRR25_USB
  • 2 Relays
  • 5 Amp SPDT
  • USB Communication
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$129.00/ea
LRR25_XSC
  • 2 Relays
  • 5 Amp SPDT
  • XSC Communication
  • Range: 1 mi. to 15 mi.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$183.00/ea
LRR25_ZBMESH
  • 2 Relays
  • 5 Amp SPDT
  • ZigBee Communication
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$118.00/ea
LRR25_ZBT
  • 2 Relays
  • 5 Amp SPDT
  • Bluetooth Communication
  • Range: 300 ft.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$174.00/ea
LRR25_ZETH-ME
  • 2 Relays
  • 5 Amp SPDT
  • Ethernet Communication
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$168.00/ea
LRR25_ZETH-ME_WIFI
  • 2 Relays
  • 5 Amp SPDT
  • WiFi Communication
  • Range: 300 ft.
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$237.00/ea
LRR25_ZETH-NET
  • 2 Relays
  • 5 Amp SPDT
  • Web Communication
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$287.00/ea
LRR25_ZRS
  • 2 Relays
  • 5 Amp SPDT
  • Serial Communication
  • Ideal Use: Power Switching
  • Reactor Series
  • Learn More
$128.00/ea
LRSSR2x_802154
  • 2 Relays
  • Optional Amp Solid-State
  • 802.15.4 Communication
  • Range: 300 ft. to 1 mi.
  • Ideal Use: SS Switching
  • Reactor Series
  • Learn More
$188.00/ea
LRSSR2x_802154_MIX
  • 2 Relays
  • Optional Amp Solid-State
  • 802.15.4 Communication
  • Range: 300 ft. to 1 mi.
  • Ideal Use: SS Switching
  • Reactor Series
  • Learn More
$118.00/ea
LRSSR2x_USB
  • 2 Relays
  • Optional Amp Solid-State
  • USB Communication
  • Ideal Use: SS Switching
  • Reactor Series
  • Learn More
$129.00/ea
LRSSR2x_USB_MIX
  • 2 Relays
  • Optional Amp Solid-State
  • USB Communication
  • Ideal Use: SS Switching
  • Reactor Series
  • Learn More
$129.00/ea
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