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4 Channel Relay board

4 Channel Relay

Conveniently Small Size

Our 4 Channel Relay Controller offers a conveniently small size with the integrated power of our standardized PRO relay command set. Quad relay controllers are ideal for computer control applications where small size and high functionality are required.  We offer a large selection of 4 Relay Drivers for applications ranging from low power signal switching to high voltage, high current applications and 4 channel dpdt relay. 

Configurations To Fit Every Need

If your looking for a four channel relay controller we have a configuration to fit every need.  RS-232 Relay controllers allow computer controlled switching using the Serial port of your computer.  Our 4 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 4 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 in signal switching!  Available in USB Relay, 802.15.4 Wireless Relay and RS-232 Relay configurations, the ProXR Series is capable of controlling up to 256 relays.  Whether you need power switching or 4 channel DPDT relay, 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.

4 Channel Relay Controller Boards

Displaying 151 - 200 of 283 Products in this Category.
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MirXR430
  • 4 Relays
  • 30 Amp SPST
  • Range: 300 ft. to 15 mi.
  • Ideal Use: Power Switching
  • MirX Series
  • Learn More
$440.00/ea
MirXR430_MXNET
  • 4 Relays
  • 30 Amp SPST
  • Web Communication
  • Ideal Use: Power Switching
  • MXNET Series
  • Learn More
$602.00/ea
MirXR430_MXNET_WIFI
  • 4 Relays
  • 30 Amp SPST
  • WiFi Communication
  • Range: 300 ft.
  • Ideal Use: Power Switching
  • MXNET Series
  • Learn More
$740.00/ea
MirXR430_ZBT
  • 4 Relays
  • 30 Amp SPST
  • Bluetooth Communication
  • Ideal Use: Power Switching
  • MirX Series
  • Learn More
$552.00/ea
MirXR430_ZRS
  • 4 Relays
  • 30 Amp SPST
  • Serial Communication
  • Ideal Use: Power Switching
  • MirX Series
  • Learn More
$460.00/ea
MirXR45
  • 4 Relays
  • 5 Amp SPDT
  • Range: 300 ft. to 15 mi.
  • Ideal Use: Power Switching
  • MirX Series
  • Learn More
$318.00/ea
MirXR45_MXNET
  • 4 Relays
  • 5 Amp SPDT
  • Web Communication
  • Ideal Use: Power Switching
  • MXNET Series
  • Learn More
$480.00/ea
MirXR45_MXNET_WIFI
  • 4 Relays
  • 5 Amp SPDT
  • WiFi Communication
  • Range: 300 ft.
  • Ideal Use: Power Switching
  • MXNET Series
  • Learn More
$618.00/ea
MirXR45_ZBT
  • 4 Relays
  • 5 Amp SPDT
  • Bluetooth Communication
  • Ideal Use: Power Switching
  • MirX Series
  • Learn More
$430.00/ea
MirXR45_ZRS
  • 4 Relays
  • 5 Amp SPDT
  • Serial Communication
  • Ideal Use: Power Switching
  • MirX Series
  • Learn More
$338.00/ea
NEADR410PROXR
  • 4 Relays
  • 10 Amp SPDT
  • Ethernet Communication
  • Ideal Use: Power Switching
  • ProXR Series
  • Learn More
$280.00/ea
NEADR41DPDTPROXR
  • 4 Relays
  • 1 Amp DPDT
  • Ethernet Communication
  • Ideal Use: Signal Switching
  • ProXR Series
  • Learn More
$270.00/ea
NEADR43DPDTPROXR
  • 4 Relays
  • 3 Amp DPDT
  • Ethernet Communication
  • Ideal Use: Signal Switching
  • ProXR Series
  • Learn More
$280.00/ea
NEADR45DPDTPROXR
  • 4 Relays
  • 5 Amp DPDT
  • Ethernet Communication
  • Ideal Use: Signal Switching
  • ProXR Series
  • Learn More
$290.00/ea
NEADR45PROXR
  • 4 Relays
  • 5 Amp SPDT
  • Ethernet Communication
  • Ideal Use: Power Switching
  • ProXR Series
  • Learn More
$270.00/ea
NEADSSR4xPROXR
  • 4 Relays
  • Optional Amp Solid-State
  • Ethernet Communication
  • Ideal Use: SS Switching
  • ProXR Series
  • Learn More
$270.00/ea
NEADSSR4xPROXR_MIX
  • 4 Relays
  • Optional Amp Solid-State
  • Ethernet Communication
  • Ideal Use: SS Switching
  • ProXR Series
  • Learn More
$220.00/ea
NEADSSR4xPROXR_MIX-NET
  • 4 Relays
  • Optional Amp Solid-State
  • Web Communication
  • Ideal Use: SS Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
  • Learn More
$240.00/ea
NEUXPR410PROXR
  • 4 Relays
  • 10 Amp SPDT
  • Ethernet Communication
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
  • Learn More
$270.00/ea
NEUXPR41DPDTPROXR
  • 4 Relays
  • 1 Amp DPDT
  • Ethernet Communication
  • Ideal Use: Signal Switching
  • ProXR Series
  • XR and UXP Expansion Ports
  • Learn More
$270.00/ea
NEUXPR43DPDTPROXR
  • 4 Relays
  • 3 Amp DPDT
  • Ethernet Communication
  • Ideal Use: Signal Switching
  • ProXR Series
  • XR and UXP Expansion Ports
  • Learn More
$270.00/ea
NEUXPR45DPDTPROXR
  • 4 Relays
  • 5 Amp DPDT
  • Ethernet Communication
  • Ideal Use: Signal Switching
  • ProXR Series
  • XR and UXP Expansion Ports
  • Learn More
$290.00/ea
NEUXPR45PROXR
  • 4 Relays
  • 5 Amp SPDT
  • Ethernet Communication
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
  • Learn More
$270.00/ea
NEUXPSSR4xPROXR
  • 4 Relays
  • Optional Amp Solid-State
  • Ethernet Communication
  • Ideal Use: SS Switching
  • ProXR Series
  • XR and UXP Expansion Ports
  • Learn More
$270.00/ea
NEUXPSSR4xPROXR_MIX
  • 4 Relays
  • Optional Amp Solid-State
  • Ethernet Communication
  • Ideal Use: SS Switching
  • ProXR Series
  • XR and UXP Expansion Ports
  • Learn More
$270.00/ea
NEUXPSSR4xPROXR_MIX-NET
  • 4 Relays
  • Optional Amp Solid-State
  • Web Communication
  • Ideal Use: SS Switching
  • ProXR Series
  • XR and UXP Expansion Ports
  • Learn More
$240.00/ea
NWADR410PROXR
  • 4 Relays
  • 10 Amp SPDT
  • WiFi Communication
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
  • Learn More
$303.00/ea
NWADR41DPDTPROXR
  • 4 Relays
  • 1 Amp DPDT
  • WiFi Communication
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
  • Learn More
$293.00/ea
NWADR43DPDTPROXR
  • 4 Relays
  • 3 Amp DPDT
  • WiFi Communication
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
  • Learn More
$303.00/ea
NWADR45DPDTPROXR
  • 4 Relays
  • 5 Amp DPDT
  • WiFi Communication
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
  • Learn More
$313.00/ea
NWADR45PROXR
  • 4 Relays
  • 5 Amp SPDT
  • WiFi Communication
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
  • Learn More
$293.00/ea
NWADSSR4xPROXR
  • 4 Relays
  • Optional Amp Solid-State
  • WiFi Communication
  • Ideal Use: SS Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
  • Learn More
$293.00/ea
NWADSSR4xPROXR_MIX
  • 4 Relays
  • Optional Amp Solid-State
  • WiFi Communication
  • Ideal Use: SS Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
  • Learn More
$293.00/ea
NWUXPR410PROXR
  • 4 Relays
  • 10 Amp SPDT
  • WiFi Communication
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
  • Learn More
$303.00/ea
NWUXPR41DPDTPROXR
  • 4 Relays
  • 1 Amp DPDT
  • WiFi Communication
  • Ideal Use: Signal Switching
  • ProXR Series
  • XR and UXP Expansion Ports
  • Learn More
$293.00/ea
NWUXPR43DPDTPROXR
  • 4 Relays
  • 3 Amp DPDT
  • WiFi Communication
  • Ideal Use: Signal Switching
  • ProXR Series
  • XR and UXP Expansion Ports
  • Learn More
$303.00/ea
NWUXPR45DPDTPROXR
  • 4 Relays
  • 5 Amp DPDT
  • WiFi Communication
  • Ideal Use: Signal Switching
  • ProXR Series
  • XR and UXP Expansion Ports
  • Learn More
$313.00/ea
NWUXPR45PROXR
  • 4 Relays
  • 5 Amp SPDT
  • WiFi Communication
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
  • Learn More
$293.00/ea
NWUXPSSR4xPROXR
  • 4 Relays
  • Optional Amp Solid-State
  • WiFi Communication
  • Ideal Use: SS Switching
  • ProXR Series
  • XR and UXP Expansion Ports
  • Learn More
$293.00/ea
NWUXPSSR4xPROXR_MIX
  • 4 Relays
  • Optional Amp Solid-State
  • WiFi Communication
  • Ideal Use: SS Switching
  • ProXR Series
  • XR and UXP Expansion Ports
  • Learn More
$293.00/ea
R410PL_802154
  • 4 Relays
  • 10 Amp SPDT
  • 802.15.4 Communication
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • ProXR-Lite Series
  • Learn More
$133.00/ea
R410PL_USB
  • 4 Relays
  • 10 Amp SPDT
  • USB Communication
  • Ideal Use: Power Switching
  • ProXR-Lite Series
  • Learn More
$144.00/ea
R410PL_XSC
  • 4 Relays
  • 10 Amp SPDT
  • XSC Communication
  • Range: 1 mi. to 15 mi.
  • Ideal Use: Power Switching
  • ProXR-Lite Series
  • Learn More
$153.00/ea
R410PL_ZBMESH
  • 4 Relays
  • 10 Amp SPDT
  • ZigBee Communication
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • ProXR-Lite Series
  • Learn More
$133.00/ea
R410PL_ZBT
  • 4 Relays
  • 10 Amp SPDT
  • Bluetooth Communication
  • Range: 300 ft.
  • Ideal Use: Power Switching
  • ProXR-Lite Series
  • Learn More
$189.00/ea
R410PL_ZETH-ME
  • 4 Relays
  • 10 Amp SPDT
  • Ethernet Communication
  • Ideal Use: Power Switching
  • ProXR-Lite Series
  • Learn More
$183.00/ea
R410PL_ZETH-ME_WIFI
  • 4 Relays
  • 10 Amp SPDT
  • WiFi Communication
  • Range: 300 ft.
  • Ideal Use: Power Switching
  • ProXR-Lite Series
  • Learn More
$252.00/ea
R410PL_ZETH-NET
  • 4 Relays
  • 10 Amp SPDT
  • Web Communication
  • Ideal Use: Power Switching
  • ProXR-Lite Series
  • Learn More
$253.00/ea
R410PL_ZRS
  • 4 Relays
  • 10 Amp SPDT
  • Serial Communication
  • Ideal Use: Power Switching
  • ProXR-Lite Series
  • Learn More
$179.00/ea
R410PRO
  • 4 Relays
  • 10 Amp SPDT
  • Serial Communication
  • Ideal Use: Power Switching
  • Economy Series
  • Learn More
$109.00/ea
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