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Home > Power-and-Data-Management > Power Protection Devices > Eaton > Eaton 5S Series > RELAY-MS

RELAY-MS - Eaton 5S Series

The small, compact Eaton 5S UPS delivers backup power for desktop PCs and workstations. The Eco-Control capability of this small UPS enables you save up to 30 percent in energy consumption. You can also enhance your power protection and safeguard your data when you pair it with the Eaton UPS Companion software. The 5S displays critical UPS information on battery time and outage tracking through a user-friendly LCD interface.

Manufacturer: Eaton

Item Description: RELAY CARD - MS - RELAY-MS

Relay Card (MS) - RELAY-MS


Image, Data Sheet & Marketing Description may differ from the actual product of part# RELAY-MS

    Mfr Part#: RELAY-MS     
    Also Known As#: POW-RELAYMS       
    Our Price:  $133.11     
    Availability: Dropship / Preorder 
    Condition:  New
    Warranty: With Original Manufacturer Warranty       


Manufacturer Part# UPC Weight (lb) MSRP
RELAY-MS 0743172038135 1 $154.00

6.4 x 9.9 x 2.1 39121011 8504909590 TW

General Information:

  Manufacturer: Eaton Corporation
  Manufacturer Part Number: RELAY-MS
  Manufacturer Website Address:
  Brand Name: Eaton
  Product Name: Remote Power Management Adapter
  Marketing Information: Mini-Slot Card Works with Eaton 5PX G2 and 9SX UPS Systems This RELAY-MS relay/serial interface card offers two types of interfaces via a DB9/RS-232 connector: dry contacts (contact mode) and RS-232 serial interface (RS-232 mode). It enables network monitoring of a connected UPS system through a relay-connected computer. Network monitoring helps protect the computer by initiating automatic shutdowns. Supported Eaton UPS systems include the 5P, 5PX, 5PX G2, 9PX, 9PXM, 9SX and 93E series. No UPS shutdown, restart or load disconnection is necessary to install RELAY-MS. Ready for Operation in 2 Modes In contact mode (the default setting), RELAY-MS provides UPS information to an alarm system, programmable logic controller (PLC) or computer via dry contacts (relay). Transmitted information includes load power, load on bypass, load on battery, load on utility, battery fault and low battery. In RS-232 mode (RS-232 cable sold separately), RELAY-MS offers an RS-232 interface for connection to a computer or UPS control display unit.
  Product Type: Remote Power Management Adapter

Technical Information:

  Proprietary Slot Type: Mini Slot
  Management: Automatic Shutdown & Network Monitoring
  Management: Automatic Shutdown


  Serial: Yes


  Compatibility: Eaton UPS Series:
  • 5P
  • 5P
  • 5PX G2
  • 9PX
  • 9PXM
  • 9SX
  • 93E
  Country of Origin: China


  Limited Warranty: 2 Year
 RELAY-MS Image Gallery:

Eaton [RELAY-MS]

Eaton 5S Series (RELAY-MS)





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