Eaton Relay/Serial Interface Mini-Slot Card for 5PX G2 9SX UPS

Overview

The Eaton RELAY-MS is a mini-slot interface card designed to enhance the connectivity and control of Eaton UPS systems, specifically the 5PX G2, 9SX, and 9PX Lithium-ion models. It provides both dry contact and RS-232 serial communication via a DB9 connector, allowing seamless integration with relay-based devices for automatic shutdowns and real-time monitoring. This compact card installs easily without requiring a UPS shutdown or restart, making it ideal for environments where continuous operation is essential.

Key features

• Supports both dry contact and DB9 RS-232 serial interfaces for versatile communication options
• Enables automatic shutdown of connected equipment to protect hardware during power events
• Facilitates remote monitoring and control of UPS status through relay-based devices
• Installation can be performed without interrupting UPS operation, ensuring uptime
• Compact design fits neatly into the UPS mini-slot, saving space in server rooms or data centers
• Operates reliably within a temperature range of 0°C to 40°C (32°F to 104°F)
• Backed by a 2-year limited warranty for peace of mind

Key specs

• Compatible UPS models: Eaton 5PX G2, 9SX, and 9PX Lithium-ion
• Communication interfaces: Dry contact and RS-232 serial via DB9 connector
• Dimensions: 1.96 x 9.44 x 5.9 inches
• Operating temperature: 0°C to 40°C (32°F to 104°F)
• Warranty: 2-year limited

Connectivity and compatibility

This mini-slot card connects directly to Eaton UPS systems, providing a DB9 serial port for RS-232 communication and dry contact relay outputs. These interfaces allow it to integrate with alarm systems, building management systems, or other relay-based equipment that require UPS status signals or control commands. Its compatibility with multiple Eaton UPS models ensures flexibility for various setups.

Installation and setup

Installing the RELAY-MS card is straightforward and designed to be done without powering down or restarting the UPS. This feature minimizes downtime and disruption, which is critical in environments like data centers or server rooms where continuous power protection is necessary. The card’s compact form factor fits into the designated mini-slot, making installation quick and clean.

Ideal uses and environments

The RELAY-MS is well suited for IT professionals and facilities managers who need to extend the functionality of their Eaton UPS systems. It works effectively in data centers, server rooms, and critical infrastructure environments where automatic shutdowns and real-time monitoring help prevent hardware damage and maintain uptime. Its robust design and reliable communication options make it a strong choice for setups requiring precise power event management and integration with external control systems.