National Control Devices, LLC

World's Largest Manufacturer of Computer Controlled Switching Devices Since 1995.
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2-Channel USB Relay Boards

UADR220PROXR
USB Latching Relay Board 2-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D
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$126.00
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UADR230PROXR
USB Latching Relay Board 2-Channel 30 Amp SPST + 8-Channel 8/10-Bit A/D
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$136.00
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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/