8 Channel Relay Controller Board

Low-Cost 8 Relay Control Board

Powerful Commands

Our 8 Channel Relay Controller offers a powerful command set allowing computer control of several external devices using only a few short commands. Our new and improved command set allows you to set the status of all relays at once or one relay at a time. We offer a large selection of Eight Relay Drivers for applications ranging from low power signal switching to high voltage, high current applications.

Configurations To Fit Every Need

If your looking for an eight channel relay controller we have a configuration to fit every need. RS-232 Serial 8-Relay Controllers offer a powerful command set allowing computer control of several external devices using only a few short commands. Our Hybrid Serial 8-Relay drivers integrate sophisticated data acquisition and control using a powerful, yet simplified command set. Our 8 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 8 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 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.

8 Channel Relay Controller Boards

Displaying 1 - 50 of 234 Products in this Category.

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F81

RS-232 8-Channel 1-Amp N-Channel FET Controller Board

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$99.00/ea

F83

RS-232 8-Channel 3-Amp N-Channel FET Controller Board

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$119.00/ea

F85

RS-232 8-Channel 5-Amp N-Channel FET Controller Board

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$134.00/ea

FOADR810PROXR

8 Relays
10 Amp SPDT
Fiber-Optic Communication
Ideal Use: Power Switching
ProXR Series
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$244.00/ea

FOADR85PROXR

8 Relays
5 Amp SPDT
Fiber-Optic Communication
Ideal Use: Power Switching
ProXR Series
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$224.00/ea

FOADSSR8xPROXR

8 Relays
Optional Amp Solid-State
Fiber-Optic Communication
Ideal Use: SS Switching
ProXR Series
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$224.00/ea

FOADSSR8xPROXR_MIX

8 Relays
Optional Amp Solid-State
Fiber-Optic Communication
Ideal Use: SS Switching
ProXR Series
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$224.00/ea

FOUXPSSR8xPROXR

8 Relays
Optional Amp Solid-State
Fiber-Optic Communication
Ideal Use: SS Switching
ProXR Series
XR and UXP Expansion Ports
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$224.00/ea

FOUXPSSR8xPROXR_MIX

8 Relays
Optional Amp Solid-State
Fiber-Optic Communication
Ideal Use: SS Switching
ProXR Series
XR and UXP Expansion Ports
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$224.00/ea

KLRR810_802154

8 Relays
10 Amp SPDT
802.15.4 Communication
Range: 300 ft. to 1 mi.
Ideal Use: Power Switching
Key-Fob Series
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$315.00/ea

KLRR810_USB

8 Relays
10 Amp SPDT
USB Communication
Ideal Use: Power Switching
Key-Fob Series
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$326.00/ea

KLRR810_XSC

8 Relays
10 Amp SPDT
XSC Communication
Range: 1 mi. to 15 mi.
Ideal Use: Power Switching
Key-Fob Series
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$380.00/ea

KLRR810_ZBMESH

8 Relays
10 Amp SPDT
ZigBee Communication
Range: 300 ft. to 1 mi.
Ideal Use: Power Switching
Key-Fob Series
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$315.00/ea

KLRR820_802154

8 Relays
20 Amp SPDT
802.15.4 Communication
Range: 300 ft. to 1 mi.
Ideal Use: Power Switching
Key-Fob Series
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$365.00/ea

KLRR820_USB

8 Relays
20 Amp SPDT
USB Communication
Ideal Use: Power Switching
Key-Fob Series
Learn More

$376.00/ea

KLRR820_XSC

8 Relays
20 Amp SPDT
XSC Communication
Range: 1 mi. to 15 mi.
Ideal Use: Power Switching
Key-Fob Series
Learn More

$430.00/ea

KLRR820_ZBMESH

8 Relays
20 Amp SPDT
ZigBee Communication
Range: 300 ft. to 1 mi.
Ideal Use: Power Switching
Key-Fob Series
Learn More

$365.00/ea

KLRR830_802154

8 Relays
30 Amp SPST
802.15.4 Communication
Range: 300 ft. to 1 mi.
Ideal Use: Power Switching
Key-Fob Series
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$405.00/ea

KLRR830_USB

8 Relays
30 Amp SPST
USB Communication
Ideal Use: Power Switching
Key-Fob Series
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$416.00/ea

KLRR830_XSC

8 Relays
30 Amp SPST
XSC Communication
Range: 1 mi. to 15 mi.
Ideal Use: Power Switching
Key-Fob Series
Learn More

$515.00/ea

KLRR830_ZBMESH

8 Relays
30 Amp SPST
ZigBee Communication
Range: 300 ft. to 1 mi.
Ideal Use: Power Switching
Key-Fob Series
Learn More

$405.00/ea

KLRR85_802154

8 Relays
5 Amp SPDT
802.15.4 Communication
Range: 300 ft. to 1 mi.
Ideal Use: Power Switching
Key-Fob Series
Learn More

$295.00/ea

KLRR85_USB

8 Relays
5 Amp SPDT
USB Communication
Ideal Use: Power Switching
Key-Fob Series
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$306.00/ea

KLRR85_XSC

8 Relays
5 Amp SPDT
XSC Communication
Range: 1 mi. to 15 mi.
Ideal Use: Power Switching
Key-Fob Series
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$360.00/ea

KLRR85_ZBMESH

8 Relays
5 Amp SPDT
ZigBee Communication
Range: 300 ft. to 1 mi.
Ideal Use: Power Switching
Key-Fob Series
Learn More

$295.00/ea

KLRSSR8x_802154

8 Relays
Optional Amp Solid-State
802.15.4 Communication
Range: 300 ft. to 1 mi.
Ideal Use: SS Switching
Key-Fob Series
Learn More

$295.00/ea

KLRSSR8x_802154_MIX

8 Relays
Optional Amp Solid-State
802.15.4 Communication
Range: 300 ft. to 1 mi.
Ideal Use: SS Switching
Key-Fob Series
Learn More

$295.00/ea

KLRSSR8x_USB

8 Relays
Optional Amp Solid-State
USB Communication
Ideal Use: SS Switching
Key-Fob Series
Learn More

$306.00/ea

KLRSSR8x_USB_MIX

8 Relays
Optional Amp Solid-State
USB Communication
Ideal Use: SS Switching
Key-Fob Series
Learn More

$306.00/ea

KLRSSR8x_XSC

8 Relays
Optional Amp Solid-State
XSC Communication
Range: 1 mi. to 15 mi.
Ideal Use: SS Switching
Key-Fob Series
Learn More

$315.00/ea

KLRSSR8x_XSC_MIX

8 Relays
Optional Amp Solid-State
XSC Communication
Range: 1 mi. to 15 mi.
Ideal Use: SS Switching
Key-Fob Series
Learn More

$315.00/ea

KLRSSR8x_ZBMESH

8 Relays
Optional Amp Solid-State
ZigBee Communication
Range: 300 ft. to 1 mi.
Ideal Use: SS Switching
Key-Fob Series
Learn More

$295.00/ea

KLRSSR8x_ZBMESH_MIX

8 Relays
Optional Amp Solid-State
ZigBee Communication
Range: 300 ft. to 1 mi.
Ideal Use: SS Switching
Key-Fob Series
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$295.00/ea

LRR810_802154

8 Relays
10 Amp SPDT
802.15.4 Communication
Range: 300 ft. to 1 mi.
Ideal Use: Power Switching
Reactor Series
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$277.00/ea

LRR810_USB

8 Relays
10 Amp SPDT
USB Communication
Ideal Use: Power Switching
Reactor Series
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$290.00/ea

LRR810_XSC

8 Relays
10 Amp SPDT
XSC Communication
Range: 1 mi. to 15 mi.
Ideal Use: Power Switching
Reactor Series
Learn More

$342.00/ea

LRR810_ZBMESH

8 Relays
10 Amp SPDT
ZigBee Communication
Range: 300 ft. to 1 mi.
Ideal Use: Power Switching
Reactor Series
Learn More

$277.00/ea

LRR810_ZETH-ME

8 Relays
10 Amp SPDT
Ethernet Communication
Ideal Use: Power Switching
Reactor Series
Learn More

$372.00/ea

LRR820_802154

8 Relays
20 Amp SPDT
802.15.4 Communication
Range: 300 ft. to 1 mi.
Ideal Use: Power Switching
Reactor Series
Learn More

$327.00/ea

LRR820_USB

8 Relays
20 Amp SPDT
USB Communication
Ideal Use: Power Switching
Reactor Series
Learn More

$340.00/ea

LRR820_XSC

8 Relays
20 Amp SPDT
XSC Communication
Range: 1 mi. to 15 mi.
Ideal Use: Power Switching
Reactor Series
Learn More

$392.00/ea

LRR820_ZBMESH

8 Relays
20 Amp SPDT
ZigBee Communication
Range: 300 ft. to 1 mi.
Ideal Use: Power Switching
Reactor Series
Learn More

$327.00/ea

LRR820_ZETH-ME

8 Relays
20 Amp SPDT
Ethernet Communication
Ideal Use: Power Switching
Reactor Series
Learn More

$377.00/ea

LRR830_802154

8 Relays
30 Amp SPST
802.15.4 Communication
Range: 300 ft. to 1 mi.
Ideal Use: Power Switching
Reactor Series
Learn More

$367.00/ea

LRR830_USB

8 Relays
30 Amp SPST
USB Communication
Ideal Use: Power Switching
Reactor Series
Learn More

$380.00/ea

LRR830_XSC

8 Relays
30 Amp SPST
XSC Communication
Range: 1 mi. to 15 mi.
Ideal Use: Power Switching
Reactor Series
Learn More

$477.00/ea

LRR830_ZBMESH

8 Relays
30 Amp SPST
ZigBee Communication
Range: 300 ft. to 1 mi.
Ideal Use: Power Switching
Reactor Series
Learn More

$367.00/ea

LRR830_ZETH-ME

8 Relays
30 Amp SPST
Ethernet Communication
Ideal Use: Power Switching
Reactor Series
Learn More

$417.00/ea

LRR85_802154

8 Relays
5 Amp SPDT
802.15.4 Communication
Range: 300 ft. to 1 mi.
Ideal Use: Power Switching
Reactor Series
Learn More

$257.00/ea

LRR85_USB

8 Relays
5 Amp SPDT
USB Communication
Ideal Use: Power Switching
Reactor Series
Learn More

$270.00/ea

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Computer Control

ProXR Series

ProXR: Expandable Computer Controlled Relays

The ProXR Series Controller allow computers to read contact closure inputs, analog to digital converters and control up to 256 Relays using a single computer interface. ProXR series controllers focus on expansion for industrial control applications.

Computer Interface:
Network and Internet Options
Ethernet Web-i Web Page Relay	2	4	8	16	24	32	Solid State Relays
Ethernet TCP/IP and Virtual COM	2	4	8	16	24	32	Solid State Relays
Wireless Options
802.15.4 (Most Popular)	2	4	8	16	24	32	Solid State Relays
Bluetooth	2	4	8	16	24	32	Solid State Relays
XSC Long Range		4	8	16	24	32	Solid State Relays
ZigBee Mesh	2	4	8	16	24	32	Solid State Relays
Wired Options
RS-232 Serial	2	4	8	16	24	32	Solid State Relays
USB	2	4	8	16	24	32	Solid State Relays
Fiber Optic	2	4	8	16	24	32	Solid State Relays

Expansion Boards
XR Relay Expansions			4	8	16	24	32	Solid State Relays

UXP Expansions

Potentiometers

Contact Closure Inputs

A/D Conversion

ProXR Lite Relays

Computer Controlled ProXR Lite Relays

The ProXR Lite product line allows computers to read up to 8 analog inputs and control up to 8 relays.
Non-Expandable, the ProXR Lite Product Line focuses on interchangeable Computer Interface Modules and Low Cost

Computer Interface:	Number of Relays on Controller:
Network and Internet Options
Ethernet	1	2	4	8	Solid State Relays
Ethernet with Web Interface	1	2	4	8	Solid State Relays
WiFi	1	2	4	8	Solid State Relays
WiFi with Web Interface	1	2	4	8	Solid State Relays
Wireless Options
802.15.4 (Most Popular)	1	2	4	8	Solid State Relays
Bluetooth	1	2	4	8	Solid State Relays
XSC Long Range	1	2	4	8	Solid State Relays
ZigBee Mesh	1	2	4	8	Solid State Relays
Wired Options
RS-232 Serial	1	2	4	8	Solid State Relays
USB	1	2	4	8	Solid State Relays

Low Cost Relays

Low Cost Relays

Focusing on Cost Reduction and High Volume Manufacturing, the Low Cost Series are No-Frills Relay Controllers that offer Basic Computer Control at Low Communications Speed.

Computer Interface: Number of Relays on Controller:

Ultra Low Cost

Wired Low Cost Relays 1 2

Wireless Low Cost Relays 1 2

Professional Grade Low Cost

Wired Relays 1 2 4 8

Wireless Relays 1 2

Computer Interface:	Number of Relays on Controller:
Ultra Low Cost
Wired Low Cost Relays	1	2
Wireless Low Cost Relays	1	2
Professional Grade Low Cost
Wired Relays	1	2	4	8
Wireless Relays	1	2

Stand-Alone

Reactor Relays

Reactor: Sensor Controlled Relays

Activate Relays when Sensors Reach Limits. Trigger Timers, Counters, and Events.
Use a Computer to Setup the Reactor, then Let the Reactor Work by itself without a computer.
Manually Take Control of Relays from Anywhere in the World using a Computer as needed.

Computer Interface:	Number of Relays on Controller:
Network and Internet Options
Ethernet	1	2	4	8	Solid State Relays
Ethernet with Web Interface	1	2	4	8	Solid State Relays
WiFi	1	2	4	8	Solid State Relays
WiFi with Web Interface	1	2	4	8	Solid State Relays
Wireless Options
802.15.4 (Most Popular)	1	2	4	8	Solid State Relays
Bluetooth	1	2	4	8	Solid State Relays
XSC Long Range	1	2	4	8	Solid State Relays
ZigBee Mesh	1	2	4	8	Solid State Relays
Wired Options
RS-232 Serial	1	2	4	8	Solid State Relays
USB	1	2	4	8	Solid State Relays

Key Fob Relays

Key Fob Reactor: Remote Controlled Relays

Activate Relays with a Remote Control Key Fob. Trigger Timers, Counters, and Events.
Use a Computer to Setup the Key Fob Reactor, then Let the Key Fob Reactor Work by itself without a computer.
Manually Take Control of Relays from Anywhere in the World using a Computer as needed.

Computer Interface:	Number of Relays on Controller:
Network and Internet Options
Ethernet	1	2	4	8	Solid State Relays
Ethernet with Web Interface	1	2	4	8	Solid State Relays
WiFi	1	2	4	8	Solid State Relays
WiFi with Web Interface	1	2	4	8	Solid State Relays
Wireless Options
802.15.4 (Most Popular)	1	2	4	8	Solid State Relays
Bluetooth	1	2	4	8	Solid State Relays
XSC Long Range	1	2	4	8	Solid State Relays
ZigBee Mesh	1	2	4	8	Solid State Relays
Wired Options
RS-232 Serial	1	2	4	8	Solid State Relays
USB	1	2	4	8	Solid State Relays

Taralist Relays

TaraList: Time Controlled Relays

Time Schedule Activated Relays with Computer Interface. Use a Computer to Setup the Time Schedule.
Taralist Series Controllers do not require a computer after initial configuration.
Manually Take Control of Relays from Anywhere in the World using a Computer as needed.

Computer Interface:	Number of Relays on Controller:
Network and Internet Options
Ethernet	1	2	4	8	16	24	32+	Solid State Relays
Ethernet with Web Interface	1	2	4	8	16	24	32+	Solid State Relays
WiFi	1	2	4	8	16	24	32+	Solid State Relays
WiFi with Web Interface	1	2	4	8	16	24	32+	Solid State Relays
Wireless Options
802.15.4 (Most Popular)	1	2	4	8	16	24	32+	Solid State Relays
Bluetooth	1	2	4	8	16	24	32+	Solid State Relays
XSC Long Range	1	2	4	8	16	24	32+	Solid State Relays
ZigBee Mesh	1	2	4	8	16	24	32+	Solid State Relays
Wired Options
RS-232 Serial	1	2	4	8	16	24	32+	Solid State Relays
USB	1	2	4	8	16	24	32+	Solid State Relays

MirC Relays

MirC: 1-Way Remote Contact Closure Control

The MirC Product Line Consist of TWO Controllers, Offering Contact Closure Inputs in One Location that Control Relays in a Remote Location. The Transmitter Shows the Status of the Receiver. Smart Features optionally Turn Off Remote Relay if Communications is Lost. Sold in Pairs ONLY.

Computer Interface:	Number of Relays on Controller:
Internet Relay Control with Global Access
Network/Interned Based Contact Closure Controlled Relays	1	2	4	8	Solid State Relays
Wireless Option
Wireless Contact Closure Controlled Relays	1	2	4	8	Solid State Relays
Secure/Encrypted Wireless Contact Closure Controlled Relays	1	2	4	8	Solid State Relays
Wired Option
Direct Wired Contact Closure Controlled Relays	1	2	4	8	Solid State Relays

MirX Relays

MirX: 2-Way Remote Contact Closure Control

The MirX Product Line Consist of TWO Controllers, Offering Contact Closures and Relays on Each Controller. The Contact Closure Inputs at Location A control Relays at Location B. The Contact Closure Inputs at Location B control Relays at Location A. Each Controller Remotely Controls the Other. Smart Features optionally Turn Off Relays if Communications is Lost between the Two Controllers. Sold in Pairs ONLY.

Computer Interface:	Number of Relays on Controller:
Internet Relay Control with Global Access
Network/Interned Based Contact Closure Controlled Relays	1	2	4	8	Solid State Relays
Wireless Option
Wireless Contact Closure Controlled Relays	1	2	4	8	Solid State Relays
Secure/Encrypted Wireless Contact Closure Controlled Relays	1	2	4	8	Solid State Relays
Wired Option
Direct Wired Contact Closure Controlled Relays	1	2	4	8	Solid State Relays

Browse by Interface

Interface Technologies

Computer Interface:	Number of Relays on Controller:
Network and Internet Options
Ethernet	1	2	4	8	16		32	Solid State Relays
Ethernet with Web Interface	1	2	4	8	16		32	Solid State Relays
WiFi	1	2	4	8	16		32	Solid State Relays
WiFi with Web Interface	1	2	4	8	16		32	Solid State Relays
Wireless Options
802.15.4 (Most Popular)	1	2	4	8	16	24	32	Solid State Relays
Bluetooth	1	2	4	8	16	24	32	Solid State Relays
XSC Long Range	1	2	4	8	16	24	32	Solid State Relays
ZigBee Mesh	1	2	4	8	16	24	32	Solid State Relays
Wired Options
RS-232 Serial	1	2	4	8	16	24	32	Solid State Relays
USB	1	2	4	8	16	24	32	Solid State Relays
Fiber Optic		2	4	8	16	24	32	Solid State Relays

Additional Products

A/D Converters

Analog to Digital Conversion Boards

Computer Interface:	Number of Channels on Board:
Wired
Serial	16	32	48
USB	16	32	48
Wireless
802.15.4 (Most Popular)	16	32	48
Bluetooth	16	32	48
XSC Long Range	16	32	48
ZigBee Mesh	16	32	48
Expansion Boards
UXP Expansions	16

Contact Closure Inputs

Contact Closure Input Monitors

Computer Interface:	Number of Channels on Board:
Wired
Serial	16
USB	16	32	48
Wireless
802.15.4 (Most Popular)	16	32	48
Bluetooth	16	32	48
XSC Long Range	16	32	48
ZigBee Mesh	16	32	48
Expansion Boards
UXP Expansions	16	32	48

Product Accessories

Accessories

Power and Interface	Power Supplies	Communication Modules	Additional
Sensors
High Power Switching	Din Rail Hardware	Din Rail Power	UT 4 Terminals
High Power Switching	Din Rail Heat Sinks	Din Rail AC Contactors	Din Rail Dc Contactors
Enclosures

Retail Software

Third-Party Retail Software

Product Type:

N Button

Relay Timer

Quick Timer

PTZ Software

Product Type:
N Button
Relay Timer
Quick Timer
PTZ Software

Additional Products

Miscellaneous Products and Accessories

Product Type:
Wireless Modems
Digital Potentiometers
Enclosures
Keypad Encoders
Microcontrollers
Mirror Modules
Wireless Mirror Modules
Motor Controllers
Wireless Controllers
Recovery Kits
Firmware Upgrades