DPDT Relay Expansion Boards

Expansion Boards with DPDT Relays Installed

Double Pole Double Throw Relay

A DPDT Relay, 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.  A DPDT relay board is most commonly used for signal switching applications, but can be found in high power switching applications as well.

    Summary of XR Modules

  • Compatible with ProXR Series Controllers ONLY
  • Not a stand-alone controller - MUST be used with a ProXR Series Controller
  • Add up to 256 Relays to any ProXR Controller
  • Includes 6" XR Expansion Cable
  • Different Types of XR Expansion Modules can be Chained Together
  • Onboard Relay Status LEDs
  • 1, 3 or 5 amp relays available
  • Power LEDs
  • Optional Power Supply
Expansion options that are available is covered in the above video.

XR Expansion Modules

XR Expansion Boards have no on-board brains.  They are entirely reliant on the brains of a "master" device.  A master device is an NCD controller with an XR expansion port and a microprocessor of some kind.  Some master devices are wireless, and some master devices have digital I/O and analog to digital conversion capabilities.  Some master devices also have on-board relays.  The main purpose of the XR port is to add relays to the main controller.  When you run out of relays, simply plug in an XR expansion controller that is equipped with the kind of relays you need.  All XR Expansion modules are compatible with each other so if you want to add different types of relays you can.  For controllers that are equipped with an XR Expansion port (and are suitable master devices for XR Series Expansion Controllers) simply look for PROXR in the part number.
   

Articles

New to Computer Controlled Relay? Click the following links for helpful wireless articles to get you started.
24-Channel 1A DPDT Expansion Relay Controller
 

This movie will explain the different expansion options that can be used with our controllers.

 

This video is a basic introduction to the world of Computer Controlled Switching and Relays in general.
Also read our "Introduction to Computer Control" Article.

 

This video will show you what Induction is and how to use Capacitors to Suppress it.
Also read our Article on Induction Suppression.

DPDT XR Expansion Boards

Displaying 1 - 15 of 15 Products in this Category.
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XR161DPDT
  • 16 Relays
  • Amp DPDT
  • Expansion Communication
  • Ideal Use: Signal Switching
  • Expansion Series
  • Learn More
$212.00/ea
XR163DPDT
  • 16 Relays
  • Amp DPDT
  • Expansion Communication
  • Ideal Use: Signal Switching
  • Expansion Series
  • Learn More
$252.00/ea
XR165DPDT
  • 16 Relays
  • Amp DPDT
  • Expansion Communication
  • Ideal Use: Signal Switching
  • Expansion Series
  • Learn More
$292.00/ea
XR241DPDT
  • 24 Relays
  • Amp DPDT
  • Expansion Communication
  • Ideal Use: Signal Switching
  • Expansion Series
  • Learn More
$343.00/ea
XR243DPDT
  • 24 Relays
  • Amp DPDT
  • Expansion Communication
  • Ideal Use: Signal Switching
  • Expansion Series
  • Learn More
$403.00/ea
XR245DPDT
  • 24 Relays
  • Amp DPDT
  • Expansion Communication
  • Ideal Use: Signal Switching
  • Expansion Series
  • Learn More
$463.00/ea
XR321DPDT
  • 32 Relays
  • Amp DPDT
  • Expansion Communication
  • Ideal Use: Signal Switching
  • Expansion Series
  • Learn More
$474.00/ea
XR323DPDT
  • 32 Relays
  • Amp DPDT
  • Expansion Communication
  • Ideal Use: Signal Switching
  • Expansion Series
  • Learn More
$554.00/ea
XR325DPDT
  • 32 Relays
  • Amp DPDT
  • Expansion Communication
  • Ideal Use: Signal Switching
  • Expansion Series
  • Learn More
$634.00/ea
XR41DPDT
  • 4 Relays
  • 1 Amp DPDT
  • Expansion Communication
  • Ideal Use: Signal Switching
  • Expansion Series
  • Learn More
$89.00/ea
XR43DPDT
  • 4 Relays
  • Amp DPDT
  • Expansion Communication
  • Ideal Use: Signal Switching
  • Expansion Series
  • Learn More
$99.00/ea
XR45DPDT
  • 4 Relays
  • Amp DPDT
  • Expansion Communication
  • Ideal Use: Signal Switching
  • Expansion Series
  • Learn More
$109.00/ea
XR81DPDT
  • 8 Relays
  • Amp DPDT
  • Expansion Communication
  • Ideal Use: Signal Switching
  • Expansion Series
  • Learn More
$119.00/ea
XR83DPDT
  • 8 Relays
  • Amp DPDT
  • Expansion Communication
  • Ideal Use: Signal Switching
  • Expansion Series
  • Learn More
$139.00/ea
XR85DPDT
  • 8 Relays
  • Amp DPDT
  • Expansion Communication
  • Ideal Use: Signal Switching
  • Expansion Series
  • Learn More
$159.00/ea
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