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Welcome to Relay Pros
  • 800-960-4287
  • sales@relaypros.com
  • P.O. Box 63 Osceola, MO 64776

Technical Support Contact Information

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To contact Ryan Sheldon about Application Engineering, Product Usage, Trouble Shooting, and other technical information including:
  • Product Questions
  • Technical Assistance
  • Application Engineering
  • Visual Basic 6 Programming Assistance
Email us at tech0001@relaycontrollers.com

COMCAST.NET Users Beware, we are NOT able to respond to any emails sent from COMCAST.NET.
COMCAST.NET has misidentified our servers as a SPAM server and blocked all of our return email communications.
To contact Xu Shirui about Advanced Programming Applications and Custom Programming.  Xu is located in China, and is an EXCELLENT programming resource for any custom programming projects you may require.  We are in constant communication with Xu, as he is actively building our NCD ActiveX Control.
  • NCD ActiveX Control
  • NCD Telnet Control
  • Advanced Programming
  • Contract Programming
  • Internet Control Solutions
  • Visual Studio 2005 & 2008
  • C# and Other Programming Languages
Email us at xu@relaycontrollers.com

COMCAST.NET Users Beware, we are NOT able to respond to any emails sent from COMCAST.NET.
COMCAST.NET has misidentified our servers as a SPAM server and blocked all of our return email communications.

To contact us about your web order see our Web Order Contact Information.

Office Contact Info

  National Control Devices, LLC  
  PO Box 455 Office Hours:
  Osceola, MO 64776     Monday-Friday
         9:00AM to 4:00PM
  FAX: (866) 562-0406     Central Standard Time
  Office: (417) 646-5644

Notice: We are Closed All US Banking Holidays

Categories
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  • Articles
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  • Web Relay - 8-Channel
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  • Contact Information
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  • Contact Closure Relay
  • Contact Closure Expansion Modules
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  • Affiliate Sites
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  • Wireless Control is as Easy as Talking to a USB Port on Your Computer!
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Our Story

At Relay Pros it's all about the switch!  We use the best parts, the best firmware and the most comprehensive command set in the industry.  Simply put, our boards will withstand the rigors of everyday use and the relays are rated for millions of cycles!  Our boards are in use at many Fortune 500 companies today.

Ready to Switch?

Categories
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Contact
  • PO Box 63 Osceola, MO 64776
  • (800) 960-4287
  • Email Us
  • Cage Code: 817U2
  • D-U-N-S #: 080955440
  • SAM Unique Entity ID:
    VFKRML4ZWDK8

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