4 Channel Relay board
4 Channel RelayConveniently 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 Boards
Professional RS-232 4-Channel Relay Driver Board with 5 Amp Relays
Professional RS-232 4-Channel Relay Driver Board with 10 Amp Relays
4-Channel 1-Amp DPDT Small Signal Latching Relay Board
4-Channel 3-Amp DPDT Signal Latching Relay Board
4-Channel 5-Amp DPDT High-Current Signal Latching Relay Board
4-Channel 20-Amp SPDT High-Power Latching Relay Board
4-Channel 30-Amp SPST High-Power Latching Relay Board
RS-232 Latching Relay Board 4-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D
RS-232 Latching Relay Board 4-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D
Bluetooth Relay Controller 4-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D
Bluetooth Relay Controller 4-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D
Fiber Optic Relay Controller 4-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D
Fiber Optic Relay Controller 4-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D
802.15.4 Wireless Relay Controller 4-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D
802.15.4 Wireless Relay Controller 4-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D
4-Channel 1-Amp DPDT Relay Controller with RS-232 and Relay Interface
4-Channel 3-Amp DPDT Relay Controller with RS-232 and Relay Interface
4-Channel 5-Amp DPDT Relay Controller with RS-232 and Relay Interface
4-Channel 1-Amp DPDT RS-232 Relay Controller with Relay Interface
4-Channel 3-Amp DPDT RS-232 Relay Controller with Relay Interface
4-Channel 5-Amp DPDT RS-232 Relay Controller with Relay Interface
RS-232 4-Channel Solid State Relay Controller + 8-Channel 8/10-Bit A/D
RS232 4-Channel Solid State Mixed SSR Relay Controller + 8-Channel 8/10-Bit A/D
Bluetooth 4-Channel Solid State Relay Controller + 8-Channel 8/10-Bit A/D
Bluetooth 4-Channel Mixed SSR Solid State Relay Controller + 8-Channel 8/10-Bit A/D
Bluetooth 4-Channel Solid State Relay Controller + UXP Expansion Port
Bluetooth 4-Channel Solid State Mixed SSR Relay Controller + UXP Expansion Port
Fiber Optic 4-Channel Solid State Relay Controller + 8-Channel 8/10-Bit A/D
Fiber Optic 4-Channel Solid State Mixed SSR Relay Controller + 8-Channel 8/10-Bit A/D
Fiber Optic 4-Channel Solid State Relay Controller + UXP Expansion Port
Fiber Optic 4-Channel Solid State Mixed SSR Relay Controller + UXP Expansion Port
Ethernet 4-Channel 10-Amp SPDT Relay Controller + 8-Channel 8/10-Bit A/D
Ethernet 4-Channel 1-Amp DPDT Relay Controller + 8-Channel 8/10-Bit A/D
Ethernet 4-Channel 3-Amp DPDT Relay Controller + 8-Channel 8/10-Bit A/D
Ethernet 4-Channel 5-Amp DPDT Relay Controller + 8-Channel 8/10-Bit A/D
Ethernet 4-Channel 5-Amp SPDT Relay Controller + 8-Channel 8/10-Bit A/D
Ethernet 4-Channel Solid State Relay Controller + 8-Channel 8/10-Bit A/D
Ethernet 4-Channel Solid State Mixed SSR Relay Controller + 8-Channel 8/10-Bit A/D
Ethernet 4-Channel 10-Amp SPDT Relay Controller + UXP Expansion Port
Ethernet 4-Channel 1-Amp DPDT Relay Controller + UXP Expansion Port
Ethernet 4-Channel 3-Amp DPDT Relay Controller + UXP Expansion Port
Ethernet 4-Channel 5-Amp DPDT Relay Controller + UXP Expansion Port
Ethernet 4-Channel 5-Amp SPDT Relay Controller + UXP Expansion Port
Ethernet 4-Channel Solid State Relay Controller + UXP Expansion Port
Ethernet 4-Channel Solid State Mixed SSR Relay Controller + UXP Expansion Port
WiFi 802.11b 4-Channel 10-Amp SPDT Relay Controller + 8-Channel 8/10-Bit A/D
WiFi 802.11b 4-Channel 1-Amp DPDT Relay Controller + 8-Channel 8/10-Bit A/D
WiFi 802.11b 4-Channel 3-Amp DPDT Relay Controller + 8-Channel 8/10-Bit A/D
WiFi 802.11b 4-Channel 5-Amp DPDT Relay Controller + 8-Channel 8/10-Bit A/D
WiFi 802.11b 4-Channel 5-Amp SPDT Relay Controller + 8-Channel 8/10-Bit A/D
WiFi 802.11b 4-Channel Solid State Relay Controller + 8-Channel 8/10-Bit A/D
WiFi 802.11b 4-Channel Solid State Mixed SSR Relay Controller + 8-Channel 8/10-Bit A/D
WiFi 802.11b 4-Channel 10-Amp SPDT Relay Controller + UXP Universal Expansion Port
WiFi 802.11b 4-Channel 1-Amp DPDT Relay Controller + UXP Expansion Port
WiFi 802.11b 4-Channel 3-Amp DPDT Relay Controller + UXP Expansion Port
WiFi 802.11b 4-Channel 5-Amp DPDT Relay Controller + UXP Expansion Port
WiFi 802.11b 4-Channel 5-Amp SPDT Relay Controller + UXP Universal Expansion Port
WiFi 802.11b 4-Channel Solid State Relay Controller + UXP Expansion Port
WiFi 802.11b 4-Channel Solid State Mixed SSR Relay Controller + UXP Expansion Port
RS-232 4-Channel Solid State Relay Controller + UXP Expansion Port
RS232 4-Channel Solid State Mixed SSR Relay Controller + UXP Expansion Port
ZB ZigBee Mesh Networking Relay Controller 4-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D
ZB ZigBee Mesh Networking Relay Controller 4-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D
802.15.4 Wireless 4-Channel Solid State Relay Controller + 8-Channel 8/10-Bit A/D
802.15.4 Wireless 4-Channel Solid State Mixed SSR Relay Controller + 8-Channel 8/10-Bit A/D
XSC Long Range Wireless 4-Channel Solid State Relay Controller + 8-Channel 8/10-Bit A/D
XSC Long Range Wireless 4-Channel Solid State Mixed SSR Relay Controller + 8-Channel 8/10-Bit A/D
ZB ZigBee Mesh Networking 4-Channel Solid State Relay Controller + 8-Channel 8/10-Bit A/D
ZB ZigBee Mesh Networking 4-Channel Solid State Mixed SSR Relay Controller + 8-Channel 8/10-Bit A/
802.15.4 Wireless 4-Channel Solid State Relay Controller + UXP Expansion Port
802.15.4 Wireless 4-Channel Solid State Mixed SSR Relay Controller + UXP Expansion Port
XSC Long Range Wireless 4-Channel Solid State Relay Controller + UXP Expansion Port
XSC Long Range Wireless 4-Channel Solid State Mixed SSR Relay Controller + UXP Expansion Port
ZB ZigBee Mesh Networking 4-Channel Solid State Relay Controller + UXP Expansion Port
ZB ZigBee Mesh Networking 4-Channel Solid State Mixed SSR Relay Controller + UXP Expansion Port
USB Relay Controller 4-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D
USB Relay Controller 4-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D
Relay Series
RS232 Relays
ZB ZigBee Relays
Bluetooth Relays
Fiber Optic Relays
USB Relays
Ethernet Relays
WiFi Relays
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