8 Channel SPDT Relay

8 Channel SPDT Controller Board

SPDT Single Pole Double Throw Relay

SPDT Single Pole Double Throw Relays have three connections.  Common, Normally Open, and Normally Closed.  When the relay is off, the common is connected to the normally closed connection of the relay.  When the relay coil is energized, the Common swings over to the Normally Open Connection of the Relay.

Large Selection

We offer a large selection of Eight Channel SPDT Relay Boards for applications ranging from small signal switching to high voltage, high current applications.  If your looking for a 802.15.4 Wireless SPDT Relay, USB SPDT Relay or Bluetooth SPDT Relay we have the largest connection options around.

Latest Advancements

Look for our ProXR series controllers for the latest advancements in signal switching!  The ProXR Series is capable of controlling up to 256 relays.  Control one relay at a time or all 256 relays at once with manual and automatic refreshing command set!  With our SPDT 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.  Your system will grow as your needs grow by simply plugging in modules as needed.  All boards in the ProXR Series will have the ProXR suffix in the part number.    For more detailed information and to order, please click on the links below.

8-Channel SPDT Relay Controller Boards

R85PRO

RS-232 8-Channel Relay Controller Board with 5 Amp Relays

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$139.00

R810PRO

RS-232 8-Channel SPDT Relay Controller Board with 10 Amp Relays

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$159.00

R820

RS-232 8-Channel 20-Amp SPDT High-Power Relay Controller Board

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$209.00

UADR85PROXR

USB Relay Controller 8-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D

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$186.00

UADR810PROXR

USB Relay Controller 8-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D

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$206.00

ZADR85PROXR

802.15.4 Wireless Relay Controller 8-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D

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$199.00

ZADR810PROXR

802.15.4 Wireless Relay Controller 8-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D

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$219.00

BTADR85PROXR

Bluetooth Wireless Relay Controller 8-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D

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$234.00

BTADR810PROXR

Bluetooth Wireless Relay Controller 8-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D

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$254.00

FOADR85PROXR

Fiber Optic Relay Controller 8-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D

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$224.00

FOADR810PROXR

Fiber Optic Relay Controller 8-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D

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$244.00

ZADR85PROXR_XSC

XSC Long Range Wireless Controller 8-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D

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$244.00

ZADR810PROXR_XSC

XSC Long Range Wireless Controller 8-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D

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$264.00

ZADR810PROXR_ZBMESH

ZB ZigBee Relay Controller 8-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D

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$219.00

ZADR85PROXR_ZBMESH

ZB ZigBee Relay Controller 8-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D

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$199.00

NEUXPR85PROXR

Ethernet 8-Channel 5-Amp SPDT Relay Controller + UXP Expansion Port

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$250.00

NEUXPR810PROXR

Ethernet 8-Channel 10-Amp SPDT Relay Controller + UXP Expansion Port

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$270.00

NEADR85PROXR

Ethernet 8-Channel 5-Amp SPDT Relay Controller + 8-Channel 8/10-Bit A/D

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$250.00

NEADR810PROXR

Ethernet 8-Channel 10-Amp SPDT Relay Controller + 8-Channel 8/10-Bit A/D

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$270.00

NWADR85PROXR

WiFi 802.11b 8-Channel 5-Amp SPDT Relay Controller + 8-Channel 8/10-Bit A/D

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$323.00

NWADR810PROXR

WiFi 802.11b 8-Channel 10-Amp SPDT Relay Controller + 8-Channel 8/10-Bit A/D

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$343.00

NWUXPR810PROXR

WiFi 802.11b 8-Channel 10-Amp SPDT Relay Controller + UXP Universal Expansion Port

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$343.00

NWUXPR85PROXR

WiFi 802.11b 8-Channel 5-Amp SPDT Relay Controller + UXP Universal Expansion Port

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$323.00

NEUXPR1610PROXR

Ethernet 16-Channel 10-Amp SPDT Relay Controller + UXP Exansion Port

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$453.00

ADR85PROXR

RS-232 Relay Controller 8-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D

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$164.00

R85PL_802154

ProXR Lite Relay 8-Channel 5-Amp SPDT with 802.15.4 Interface

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$163.00

R810PL_802154

ProXR Lite Relay 8-Channel 10-Amp SPDT with 802.15.4 Interface

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$183.00

R820PL_802154

ProXR Lite Relay 8-Channel 20-Amp SPDT with 802.15.4 Interface

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$233.00

R85PL_USB

ProXR Lite Relay 8-Channel 5-Amp SPDT with USB Interface

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$174.00

R810PL_USB

ProXR Lite Relay 8-Channel 10-Amp SPDT with USB Interface

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$194.00

R820PL_USB

ProXR Lite Relay 8-Channel 20-Amp SPDT with USB Interface

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$244.00

R85PL_ZBMESH

ProXR Lite Relay 8-Channel 5-Amp SPDT with ZB ZigBee Interface

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$163.00

R810PL_ZBMESH

ProXR Lite Relay 8-Channel 10-Amp SPDT with ZB ZigBee Interface

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$183.00

R820PL_ZBMESH

ProXR Lite Relay 8-Channel 20-Amp SPDT with ZB ZigBee Interface

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$233.00

R85PL_XSC

ProXR Lite Relay 8-Channel 5-Amp SPDT with XSC Interface

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$183.00

R810PL_XSC

ProXR Lite Relay 8-Channel 10-Amp SPDT with XSC Interface

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$203.00

R820PL_XSC

ProXR Lite Relay 8-Channel 20-Amp SPDT with XSC Interface

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$253.00

R85PL_ZETH-ME

Ethernet ProXR Lite Relay 8-Channel 5-Amp SPDT with ME Firmware

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$213.00

R810PL_ZETH-ME

Ethernet ProXR Lite Relay 8-Channel 10-Amp SPDT with ME Firmware

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$233.00

R820PL_ZETH-ME

Ethernet ProXR Lite Relay 8-Channel 20-Amp SPDT with ME Firmware

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$283.00

LRR85_ZETH-NET

Ethernet Reactor Relay 8-Channel 5-Amp SPDT + 8-Channel 8-Bit A/D with Web-Browser Interface

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$327.00

LRR810_ZETH-NET

Ethernet Reactor Relay 8-Channel 10-Amp SPDT + 8-Channel 8-Bit A/D with Web-Browser Interface

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$347.00

LRR820_ZETH-NET

Ethernet Reactor Relay 8-Channel 20-Amp SPDT + 8-Channel 8-Bit A/D with Web-Browser Interface

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$397.00

LRR820_ZETH-ME

Ethernet Reactor Relay 8-Channel 20-Amp SPDT + 8-Channel 8-Bit A/D with ME Firmware

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$377.00