32 Channel SPDT Relay

32 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 Thirty Two 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.

32-Channel SPDT Relay Controller Boards

Displaying 1 - 50 of 51 Products in this Category.
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BTADR3220PROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 20 Amp SPDT
  • Bluetooth Communications
  • Range: 328 ft.
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $816.00               Full Description
BTADSR3210PROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 10 Amp SPDT
  • Bluetooth Communications
  • Range: 328 ft.
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $679.00               Full Description
BTADSR325PROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 5 Amp SPDT
  • Bluetooth Communications
  • Range: 328 ft.
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $599.00               Full Description
BTADSRR32-5SPDTPROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 0.5 Amp Reed
  • Bluetooth Communications
  • Range: 328 ft.
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $784.00               Full Description
BTUXPR3220PROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 20 Amp SPDT
  • Bluetooth Communications
  • Range: 328 ft.
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $816.00               Full Description
BTUXPSR3210PROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 10 Amp SPDT
  • Bluetooth Communications
  • Range: 328 ft.
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $679.00               Full Description
BTUXPSR325PROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 5 Amp SPDT
  • Bluetooth Communications
  • Range: 328 ft.
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $599.00               Full Description
BTUXPSRR32-5SPDTPROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 0.5 Amp Reed
  • Bluetooth Communications
  • Range: 328 ft.
  • Ideal Use: Signal Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $834.00               Full Description
FOADR3220PROXR
Fiber Optic Relay Controller 32-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 20 Amp SPDT
  • Fiber-Optic Communications
  • Ideal Use: Power Switching
  • ProXR Series
           $758.00               Full Description
FOADSR3210PROXR
Fiber Optic Relay Controller 32-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 10 Amp SPDT
  • Fiber-Optic Communications
  • Ideal Use: Power Switching
  • ProXR Series
           $619.00               Full Description
FOADSR325PROXR
Fiber Optic Relay Controller 32-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 5 Amp SPDT
  • Fiber-Optic Communications
  • Ideal Use: Power Switching
  • ProXR Series
           $539.00               Full Description
FOADSRR32-5SPDTPROXR
Fiber Optic Reed Relay Controller 32-Channel .5A SPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 0.5 Amp Reed
  • Fiber-Optic Communications
  • Ideal Use: Signal Switching
  • ProXR Series
           $774.00               Full Description
FOUXPR1620PROXR
Fiber Optic Relay Controller 16-Channel 20 Amp SPDT + UXP Universal Expansion Port
  • 16 Relays - 20 Amp SPDT
  • Fiber-Optic Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $463.00               Full Description
FOUXPR3220PROXR
Fiber Optic Relay Controller 32-Channel 20 Amp SPDT + UXP Universal Expansion Port
  • 32 Relays - 20 Amp SPDT
  • Fiber-Optic Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $758.00               Full Description
FOUXPSR3210PROXR
Fiber Optic Relay Board 32-Channel 10 Amp SPDT + UXP Universal Expansion Port
  • 32 Relays - 10 Amp SPDT
  • Fiber-Optic Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $619.00               Full Description
FOUXPSR325PROXR
Fiber Optic Relay Board 32-Channel 5 Amp SPDT + UXP Universal Expansion Port
  • 32 Relays - 5 Amp SPDT
  • Fiber-Optic Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $539.00               Full Description
FOUXPSRR32-5SPDTPROXR
Fiber Optic Reed Relay Controller 32-Channel .5A SPDT + UXP Universal Expansion Port
  • 32 Relays - 0.5 Amp Reed
  • Fiber-Optic Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $774.00               Full Description
NER3210PROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 10 Amp SPDT
  • Ethernet Communications
  • Ideal Use: Power Switching
  • ProXR Series
           $783.00               Full Description
NER325PROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 5 Amp SPDT
  • Ethernet Communications
  • Ideal Use: Power Switching
  • ProXR Series
           $653.00               Full Description
NEUXPR3210PROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 10 Amp SPDT
  • Ethernet Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $733.00               Full Description
NEUXPR325PROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 5 Amp SPDT
  • Ethernet Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $653.00               Full Description
R3210PROXR
Discontinued - See Product description for details
  • 32 Relays - 10 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
           $579.00               Full Description
R325PROXR
Discontinued - See Product description for details
  • 32 Relays - 5 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
           $449.00               Full Description
UADR3220PROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 20 Amp SPDT
  • USB Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $782.00               Full Description
UADSRR32-5SPDTPROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 0.5 Amp Reed
  • USB Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $815.00               Full Description
UXPR3220PROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 20 Amp SPDT
  • USB Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $782.00               Full Description
UXPSR3210PROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 10 Amp SPDT
  • USB Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $636.00               Full Description
UXPSR325PROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 5 Amp SPDT
  • USB Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $556.00               Full Description
UXPSRR32-5SPDTPROXR
Discontinued - This item has been replaced by a new Item, see product description for details
  • 32 Relays - 0.5 Amp Reed
  • USB Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $741.00               Full Description
XR3210
32-Channel 10A SPDT Expansion Relay Controller
  • 32 Relays - Amp SPDT
  • Expansion Communications
  • Ideal Use: Power Switching
  • Expansion Series
           $479.00               Full Description
XR325
32-Channel 5A SPDT Expansion Relay Controller
  • 32 Relays - Amp SPDT
  • Expansion Communications
  • Ideal Use: Power Switching
  • Expansion Series
           $399.00               Full Description
ZADR3220PROXR_802154
802.15.4 Wireless Relay Controller 32-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 20 Amp SPDT
  • 802.15.4 Communications
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $738.00               Full Description
ZADR3220PROXR_ZRS
Serial Relay Controller 32-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 20 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $933.00               Full Description
ZADR3230PROXR_ZRS
Serial Relay Controller 32-Channel 30 Amp SPST + 8-Channel 8/10-Bit A/D
  • 32 Relays - 30 Amp SPST
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $1,075.00               Full Description
ZADSR3210PROXR_802154
802.15.4 Wireless Relay Controller 32-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 10 Amp SPDT
  • 802.15.4 Communications
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $594.00               Full Description
ZADSR3210PROXR_XSC
XSC Long Range Wireless Controller 32-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 10 Amp SPDT
  • XSC Communications
  • Range: 2 Miles to 15 Miles
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $639.00               Full Description
ZADSR3210PROXR_ZBMESH
ZB ZigBee Relay Controller 32-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 10 Amp SPDT
  • ZigBee Communications
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $594.00               Full Description
ZADSR3210PROXR_ZRS
Serial Relay Controller 32-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 10 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $604.00               Full Description
ZADSR325PROXR_802154
802.15.4 Wireless Relay Controller 32-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 5 Amp SPDT
  • 802.15.4 Communications
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $514.00               Full Description
ZADSR325PROXR_XSC
XSC Long Range Wireless Controller 32-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 5 Amp SPDT
  • XSC Communications
  • Range: 2 Miles to 15 Miles
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $559.00               Full Description
ZADSR325PROXR_ZBMESH
ZB ZigBee Relay Controller 32-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 5 Amp SPDT
  • ZigBee Communications
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $514.00               Full Description
ZADSRR32-5SPDTPROXR_ZBMESH
ZB ZigBee Reed Relay Controller 32-Channel .5A SPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 0.5 Amp Reed
  • ZigBee Communications
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $749.00               Full Description
ZUXPR3220PROXR_ZRS
Serial Relay Controller 32-Channel 20 Amp SPDT + UXP Universal Expansion Port
  • 32 Relays - 20 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $933.00               Full Description
ZUXPSR3210PROXR_802154
802.15.4 Wireless Relay Controller Board 32-Channel 10 Amp SPDT + UXP Universal Expansion Port
  • 32 Relays - 10 Amp SPDT
  • 802.15.4 Communications
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $594.00               Full Description
ZUXPSR3210PROXR_XSC
XSC Long Range Wireless Controller 32-Channel 10 Amp SPDT + UXP Universal Expansion Port
  • 32 Relays - 10 Amp SPDT
  • XSC Communications
  • Range: 2 Miles to 15 Miles
  • Ideal Use: Power Switching
  • ProXR Series
           $639.00               Full Description
ZUXPSR3210PROXR_ZBMESH
ZB ZigBee Relay Controller Board 32-Channel 10 Amp SPDT + UXP Universal Expansion
  • 32 Relays - 10 Amp SPDT
  • ZigBee Communications
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $594.00               Full Description
ZUXPSR3210PROXR_ZRS
Serial Relay Controller Board 32-Channel 10 Amp SPDT + UXP Universal Expansion Port
  • 32 Relays - 10 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $604.00               Full Description
ZUXPSR325PROXR_802154
802.15.4 Wireless Relay Controller Board 32-Channel 5 Amp SPDT + UXP Universal Expansion Port
  • 32 Relays - 5 Amp SPDT
  • 802.15.4 Communications
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $514.00               Full Description
ZUXPSR325PROXR_XSC
XSC Long Range Wireless Controller 32-Channel 5 Amp SPDT + UXP Universal Expansion Port
  • 32 Relays - 5 Amp SPDT
  • XSC Communications
  • Range: 2 Miles to 15 Miles
  • Ideal Use: Power Switching
  • ProXR Series
           $559.00               Full Description
ZUXPSR325PROXR_ZBMESH
ZB ZigBee Relay Controller Board 32-Channel 5 Amp SPDT + UXP Universal Expansion
  • 32 Relays - 5 Amp SPDT
  • ZigBee Communications
  • Range: 300 ft. to 1 mi.
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $514.00               Full Description
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Please Note: Our office and production facility will be closed for Memorial Day on May 27th.
Orders will be processed in the order they are received.