National Control Devices, LLC

World's Largest Manufacturer of Computer Controlled Switching Devices Since 1995.
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8 Channel DPDT Relay

Low Cost 8 Relay DPDT Control Board

Double Pole Double Throw Relay

A DPDT Double Pole Double Throw Relay has a single coil with two arms that move at the same time.  There are two completely separate SPDT switch mechanisms inside a DPDT relay switch.  A DPDT relay board is most commonly used for signal switching applications, but can be found in high power switching applications as well.

Low Cost Eight Channel DPDT Configuration

The 8 Channel DPDT Relay includes four DPDT relays with your choice of 1, 3 or 5 amp DPDT relays and are also available in remote wireless configurations.

The PC Switch for Computer Controlled Switching

NCD Relay Controllers Offer Computer Controlled using a simple interface to your computer.  Integrate one of our PC switch controllers to turn external devices on or off with just a few simple software commands.  Using a PC Relay, computer controlled switching has never been easier.  Use any programming language you want to talk to our line of PC Relay controllers.  All our controller needs are a few simple bytes of data, so its easy to integrate into VB4, VB5, VB6, Visual Studio 2005, Visual Studio 2008.  Programming Examples are Provided on the Product Description pages below for Visual Basic 6.

Wireless or Hardwired PC Switching Solutions

Most NCD Devices are available in Wireless and Wired configurations.  Activate a Remote Switch from your PC with minimal effort.  Remote PC Control has never been easier.  For more detailed information and to order, please click on the links below.

8-Channel DPDT Relay Boards

R81DPDT
8-Channel 1-Amp DPDT Small Signal Latching Relay Board
$119.00
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R83DPDT
8-Channel 3-Amp DPDT Signal Latching Relay Board
$139.00
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R85DPDT
8-Channel 5-Amp DPDT High-Current Signal Latching Relay Board
$159.00
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R81DPDTCNRS
8-Channel 1-Amp DPDT Relay Controller with RS-232 and Relay Interface
$149.00
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R83DPDTCNRS
8-Channel 3-Amp DPDT Relay Controller with RS-232 and Relay Interface
$169.00
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R85DPDTCNRS
8-Channel 5-Amp DPDT Relay Controller with RS-232 and Relay Interface
$189.00
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R81DPDTCN
8-Channel 1-Amp DPDT RS-232 Relay Controller with Relay Interface
$139.00
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R83DPDTCN
8-Channel 3-Amp DPDT RS-232 Relay Controller with Relay Interface
$159.00
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R85DPDTCN
8-Channel 5-Amp DPDT RS-232 Relay Controller with Relay Interface
$179.00
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NEADR81DPDTPROXR
Ethernet 8-Channel 1-Amp DPDT Relay Controller + 8-Channel 8/10-Bit A/D
$250.00
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NEADR83DPDTPROXR
Ethernet 8-Channel 3-Amp DPDT Relay Controller + 8-Channel 8/10-Bit A/D
$270.00
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NEADR85DPDTPROXR
Ethernet 8-Channel 5-Amp DPDT Relay Controller + 8-Channel 8/10-Bit A/D
$290.00
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NEUXPR81DPDTPROXR
Ethernet 8-Channel 1-Amp DPDT Relay Controller + UXP Expansion Port
$250.00
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NEUXPR83DPDTPROXR
Ethernet 8-Channel 3-Amp DPDT Relay Controller + UXP Expansion Port
$270.00
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NEUXPR85DPDTPROXR
Ethernet 8-Channel 5-Amp DPDT Relay Controller + UXP Expansion Port
$290.00
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NWADR81DPDTPROXR
WiFi 802.11b 8-Channel 1-Amp DPDT Relay Controller + 8-Channel 8/10-Bit A/D
$323.00
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NWADR83DPDTPROXR
WiFi 802.11b 8-Channel 3-Amp DPDT Relay Controller + 8-Channel 8/10-Bit A/D
$343.00
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NWADR85DPDTPROXR
WiFi 802.11b 8-Channel 5-Amp DPDT Relay Controller + 8-Channel 8/10-Bit A/D
$363.00
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NWUXPR81DPDTPROXR
WiFi 802.11b 8-Channel 1-Amp DPDT Relay Controller + UXP Expansion Port
$323.00
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NWUXPR83DPDTPROXR
WiFi 802.11b 8-Channel 3-Amp DPDT Relay Controller + UXP Expansion Port
$343.00
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NWUXPR85DPDTPROXR
WiFi 802.11b 8-Channel 5-Amp DPDT Relay Controller + UXP Expansion Port
$363.00
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R81DPDTOC8LP
8-Channel 1A DPDT Relay + 8-Channel 150ma O.C. Output RS-232 Latching Relay Board
$160.00
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R83DPDTOC8LP
8-Channel 3A DPDT Relay + 8-Channel 150ma O.C. Output RS-232 Latching Relay Board
$180.00
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R85DPDTOC8LP
8-Channel 5A DPDT Relay + 8-Channel 150ma O.C. Output RS-232 Latching Relay Board
$200.00
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Customer Support
About National Control Devices
Tools and Resources
National Control Devices, LLC

PO Box 455 - Osceola - MO - 64776
Phone: 417.646.5644 - Fax: 866.562.0406
Open 9AM-4PM Central Standard Time
http://www.relaycontrollers.com/