$224.00 MSRP 
Purchase Online
Find a Solution Provider Locate a Partner
  • UPS status monitoring: Relay I/O Card
  • 5 relay output contact closures: Indicate UPS status information
  • 1 relay input contact closure: Remote shutdown UPS on Battery Mode
  • Connections: DB9 Port
  • Warranty: 3-year

Product Overview

They CyberPower RELAYIO500 is a local management solution that provides users the ability to monitor UPS status and events via 5 contact closure outputs. Easy to install in any compatible* Smart App UPS with expansion slot.

Input contact closure allows the UPS to be shutdown remotely while on Battery Mode to preserver battery power in the event of a prolonged power outage. The RELAYIO500 comes with a three-year warranty.

Product Features
  • Remote Shutdown in Battery Mode
    Preserves battery power in the event of a prolonged power outage.
  • Interfacing with External Alarms
    External alarm devices can be interfaced via the DB9 port.
  • Three-Year Warranty
    Covers defects in materials and workmanship in the product under normal use and conditions within three years of the purchase date. See warranty for details.
Compatible Products
Expand All
Contact Closure Outputs 5
External S/D Voltage 7.5 – 12 VDC
Input Signal Contact 1 – UPS shutdown in Battery Mode
Output Relay Rating (Max.) 30 VDC / 125 VAC, 3A (per relay)
USB Charge Port No
Management & Communications
Hardware Connection Port Serial
Color Black
Physical Dimensions – (WxHxD) (cm) 4.19 x 1.52 x 8.13 (cm)
Physical Dimensions – (WxHxD) (in) 1.65 x 0.6 x 3.2 (in)
Physical Dimensions – (WxHxD) (mm) 42 x 15 x 81 (mm)
Physical Weight (kg) 0.05
Physical Weight (lb) 0.11
Dimensions – Shipping
Shipping – Weight (kg) 9.3
Shipping – Weight (lb) 20.5
Shipping Dimensions – (WxHxD) (cm) 5.87 x 16.61 x 16.89 (cm)
Shipping Dimensions – (WxHxD) (in) 2.31 x 6.54 x 6.65 (in)
Shipping Dimensions – (WxHxD) (mm) 58.67 x 166.12 x 168.91 (mm)
Operating Elevation 0 – 10000 ft (0 – 3048 m)
Operating Relative Humidity 0 – 95 % (non-condensing)
Operating Temperature 32 – 104 °F (0 – 40 °C)
Storage Elevation 0 – 50000 ft (0 – 15239 m)
Storage Relative Humidity 0 – 95% (non-condensing)
Storage Temperature 14 – 122 °F (-10 – 50 °C)
UPS Models OR Series UPS systems
PR Series UPS systems
Environmental RoHS Compliant
Extended Warranty Option WEXT5YR-ACC1A
Product Warranty 3 Year Limited Warranty


667 KB


182 KB
Should I register the CyberPower product I purchased?

We recommend that you promptly register the product you purchased. You may register online by clicking the Registration button at the top of the page.

Please contact our Tech Support department with installation, troubleshooting, or general product questions.
Hours of operation: Monday – Friday 7:00am – 6:00pm CST
Contact Tech Support: Submit Ticket Now

Our Technical Support team will be happy help you with technical questions during business hours.

Our technical support team is available to 24-hours a day, seven days a week.
Live Monday - Friday
Available 24/7
Visit our Support Area

 Model Description MSRP
 MBS100D5B $3,600.00
 MBS175D5B $6,000.00
 RMCARD400 $489.00
 RMCARD205 $399.00
 CP600LCD $94.99
 ENVIROSENSOR Network Management $149.77
 4POSTRAIL 4 Post Rail Kit $69.95
 RMCARD305 $269.00
 RELAYIO500 Provides 5-output and 1-input relay contact closures via DB9 port to report UPS status inforation and enable remote shutdown of the UPS. See compatibility chart for UPS model compatibility details. $224.00
 RWCCARD100 Wireless Cloud Monitoring Card $81.88
 DOORSENSOR Network Management $48.11
 CRA60001 Rack Hardware Kit $48.00
 CRA60002 Rack Hardware Kit $99.00
 1UBRKT Stand Mounts $16.25
 RELAYIO600 Network Management $269.00
 2POSTKIT RackMount Kit $95.00
 6AWGHW3FT Power Cable $170.00
 FAN24V450T CyberPower Fan Assembly 24VDC service part with terminal $34.00
 RCCARD100 Cloud Monitoring Card $71.70