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The latest version of the ProXR Series have interchangeable communications modules that can be swapped at will. Simply disconnect all power from the board and pull off one module and replace it with another.

Serial ProXR at a Glance

  • Supports any available COM port
  • Supports 2-way communications
  • Three RS-232 connection options
  • Optional USB to RS232 Adapter allows easy connection to your computer's USB port
  • Expandable to control up to 256 Relays using the XR Expansion Port
  • 8 Channels of 8-bit A/D Inputs
  • Control one relay or all 256 at once with manual or automatic refreshing command set
  • Full ProXR Command Set

How many Relays would you like?

Serial/RS-232 2 4 8 16 24 32 Solid State Relays

ProXR Serial Relays

Displaying 1 - 50 of 82 Products in this Category.
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ZADR1620PROXR_ZRS
Serial Relay Controller 16-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 16 Relays - 20 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $453.00               Full Description
ZADR1630PROXR_ZRS
Serial Relay Controller 16-Channel 30 Amp SPST + 8-Channel 8/10-Bit A/D
  • 16 Relays - 30 Amp SPST
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $517.00               Full Description
ZADR220PROXR_ZRS
Serial Relay Controller 2-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 2 Relays - 20 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $149.00               Full Description
ZADR230PROXR_ZRS
Serial Relay Controller 2-Channel 30 Amp SPST + 8-Channel 8/10-Bit A/D
  • 2 Relays - 30 Amp SPST
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $159.00               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
ZADR410PROXR_ZRS
Serial Relay Controller 4-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 4 Relays - 10 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $179.00               Full Description
ZADR41DPDTProXR_ZRS
Serial Relay Controller 4-Channel 1 Amp DPDT + 8-Channel 8/10-Bit A/D
  • 4 Relays - 1 Amp DPDT
  • Serial Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $180.00               Full Description
ZADR420ProXR_ZRS
Serial Relay Controller 4-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 4 Relays - 20 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $219.00               Full Description
ZADR430ProXR_ZRS
Serial Relay Controller 4-Channel 30 Amp SPST + 8-Channel 8/10-Bit A/D
  • 4 Relays - 30 Amp SPST
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $230.00               Full Description
ZADR43DPDTProXR_ZRS
Serial Relay Controller 4-Channel 3 Amp DPDT + 8-Channel 8/10-Bit A/D
  • 4 Relays - 3 Amp DPDT
  • Serial Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $190.00               Full Description
ZADR45DPDTProXR_ZRS
Serial Relay Controller 4-Channel 5 Amp DPDT + 8-Channel 8/10-Bit A/D
  • 4 Relays - 5 Amp DPDT
  • Serial Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $200.00               Full Description
ZADR45PROXR_ZRS
Serial Relay Controller 4-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 4 Relays - 5 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $169.00               Full Description
ZADR810PROXR_ZRS
Serial Relay Controller 8-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 8 Relays - 10 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $229.00               Full Description
ZADR81DPDTProXR_ZRS
Serial Relay Controller 8-Channel 1 Amp DPDT + 8-Channel 8/10-Bit A/D
  • 8 Relays - 1 Amp DPDT
  • Serial Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $210.00               Full Description
ZADR820ProXR_ZRS
Serial Relay Controller 8-Channel 20 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 8 Relays - 20 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $279.00               Full Description
ZADR830ProXR_ZRS
Serial Relay Controller 8-Channel 30 Amp SPST + 8-Channel 8/10-Bit A/D
  • 8 Relays - 30 Amp SPST
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $319.00               Full Description
ZADR83DPDTProXR_ZRS
Serial Relay Controller 8-Channel 3 Amp DPDT + 8-Channel 8/10-Bit A/D
  • 8 Relays - 3 Amp DPDT
  • Serial Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $230.00               Full Description
ZADR85DPDTProXR_ZRS
Serial Relay Controller 8-Channel 5 Amp DPDT + 8-Channel 8/10-Bit A/D
  • 8 Relays - 5 Amp DPDT
  • Serial Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $250.00               Full Description
ZADR85PROXR_ZRS
Serial Relay Controller 8-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 8 Relays - 5 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $209.00               Full Description
ZADSR1610PROXR_ZRS
Serial Relay Controller 16-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 16 Relays - 10 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $374.00               Full Description
ZADSR161DPDTPROXR_ZRS
Serial Relay Board 16-Channel 1 Amp DPDT + 8-Channel 8/10-Bit A/D
  • 16 Relays - 1 Amp DPDT
  • Serial Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $337.00               Full Description
ZADSR163DPDTPROXR_ZRS
Serial Relay Board 16-Channel 3 Amp DPDT + 8-Channel 8/10-Bit A/D
  • 16 Relays - 3 Amp DPDT
  • Serial Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $377.00               Full Description
ZADSR165DPDTPROXR_ZRS
Serial Relay Board 16-Channel 5 Amp DPDT + 8-Channel 8/10-Bit A/D
  • 16 Relays - 5 Amp DPDT
  • Serial Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $417.00               Full Description
ZADSR165PROXR_ZRS
Serial Relay Controller 16-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 16 Relays - 5 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $334.00               Full Description
ZADSR2410PROXR_ZRS
Serial Relay Controller 24-Channel 10 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 24 Relays - 10 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $489.00               Full Description
ZADSR241DPDTPROXR_ZRS
Serial Relay Board 24-Channel 1 Amp DPDT + 8-Channel 8/10-Bit A/D
  • 24 Relays - 1 Amp DPDT
  • Serial Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $468.00               Full Description
ZADSR243DPDTPROXR_ZRS
Serial Relay Board 24-Channel 3 Amp DPDT + 8-Channel 8/10-Bit A/D
  • 24 Relays - 3 Amp DPDT
  • Serial Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $528.00               Full Description
ZADSR245DPDTPROXR_ZRS
Serial Relay Board 24-Channel 5 Amp DPDT + 8-Channel 8/10-Bit A/D
  • 24 Relays - 5 Amp DPDT
  • Serial Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $588.00               Full Description
ZADSR245PROXR_ZRS
Serial Relay Controller 24-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 24 Relays - 5 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $429.00               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
ZADSR321DPDTPROXR_ZRS
Serial Relay Board 32-Channel 1 Amp DPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 1 Amp DPDT
  • Serial Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $599.00               Full Description
ZADSR323DPDTPROXR_ZRS
Serial Relay Board 32-Channel 3 Amp DPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 3 Amp DPDT
  • Serial Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $679.00               Full Description
ZADSR325DPDTPROXR_ZRS
Serial Relay Board 32-Channel 5 Amp DPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 5 Amp DPDT
  • Serial Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $759.00               Full Description
ZADSR325PROXR_ZRS
Serial Relay Controller 32-Channel 5 Amp SPDT + 8-Channel 8/10-Bit A/D
  • 32 Relays - 5 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $524.00               Full Description
ZADSSR16xProXR_ZRS
Serial 16-Channel Solid State Relay Controller + 8-Channel 8/10-Bit A/D
  • 16 Relays - Optional Amp Solid-State
  • Serial Communications
  • Ideal Use: SS Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $353.00               Full Description
ZADSSR16xProXR_ZRS_MIX
Serial 16-Channel Mixed Solid State Relay Controller + 8-Channel 8/10-Bit A/D
  • 16 Relays - Optional Amp Solid-State
  • Serial Communications
  • Ideal Use: SS Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $353.00               Full Description
ZADSSR4xPROXR_ZRS
Serial 4-Channel Solid State Relay Controller + 8-Channel 8/10-Bit A/D
  • 4 Relays - Optional Amp Solid-State
  • Serial Communications
  • Ideal Use: SS Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $169.00               Full Description
ZADSSR4xPROXR_ZRS_MIX
Serial 4-Channel Solid State Mixed SSR Relay Controller + 8-Channel 8/10-Bit A/D
  • 4 Relays - Optional Amp Solid-State
  • Serial Communications
  • Ideal Use: SS Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $169.00               Full Description
ZADSSR8xPROXR_ZRS
Serial 8-Channel Solid State Relay Controller + 8-Channel 8/10-Bit A/D
  • 8 Relays - Optional Amp Solid-State
  • Serial Communications
  • Ideal Use: SS Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $209.00               Full Description
ZADSSR8xPROXR_ZRS_MIX
Serial 8-Channel Solid State Mixed SSR Relay Controller + 8-Channel 8/10-Bit A/D
  • 8 Relays - Optional Amp Solid-State
  • Serial Communications
  • Ideal Use: SS Switching
  • ProXR Series
  • 8 A/D Inputs
  • XR Expansion Port
           $209.00               Full Description
ZUXPR1620PROXR_ZRS
Serial Relay Controller 16-Channel 20 Amp SPDT + UXP Universal Expansion Port
  • 16 Relays - 20 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $564.00               Full Description
ZUXPR1630PROXR_ZRS
Serial Relay Controller 16-Channel 30 Amp SPST + UXP Universal Expansion Port
  • 16 Relays - 30 Amp SPST
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $644.00               Full Description
ZUXPR220PROXR_ZRS
Serial Relay Controller 2-Channel 20 Amp SPDT +UXP Expansion Port
  • 2 Relays - 20 Amp SPDT
  • RS232 Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $159.00               Full Description
ZUXPR230PROXR_ZRS
Serial Relay Controller 2-Channel 30 Amp SPST +UXP Expansion Port
  • 2 Relays - 30 Amp SPST
  • RS232 Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $169.00               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
ZUXPR3230PROXR_ZRS
Serial Relay Controller 32-Channel 30 Amp SPST + UXP Universal Expansion Port
  • 32 Relays - 30 Amp SPST
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $1,075.00               Full Description
ZUXPR410ProXR_ZRS
Serial Relay Controller 4-Channel 10 Amp SPDT + UXP Expansion Port
  • 4 Relays - 10 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $179.00               Full Description
ZUXPR41DPDTProXR_ZRS
Serial Relay Controller 4-Channel 1 Amp DPDT + UXP Expansion Port
  • 4 Relays - 1 Amp DPDT
  • Serial Communications
  • Ideal Use: Signal Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $180.00               Full Description
ZUXPR420ProXR_ZRS
Serial Relay Controller 4-Channel 20 Amp SPDT + UXP Expansion Port
  • 4 Relays - 20 Amp SPDT
  • Serial Communications
  • Ideal Use: Power Switching
  • ProXR Series
  • XR and UXP Expansion Ports
           $219.00               Full Description
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How many Relays would you like?

Serial/RS-232 2 4 8 16 24 32 Solid State Relays

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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.