Product Description
The Emerson M521B is a Standard Control Unit Plus (SCU+) network controller designed for reliable monitoring and management of DC power systems in telecom and industrial applications. Part of the Emerson Vertiv NetSure series, this controller provides advanced remote supervision of site equipment including AC mains, DC power plants, batteries, and generators.
Key Features & Specifications
• Type: Standard Control Unit Plus (SCU+) Network Controller
• Power Supply: 19–60 VDC
• Power Consumption: 5 W
• Operating Temperature: -40°C to 75°C (-40°F to 167°F)
• Communication: RS232 and 10M Ethernet ports, supporting HTTP and SNMP protocols
• Monitoring Capabilities: Remote monitoring of AC mains, DC power plant, battery backup, diesel generators, and environmental conditions at the site
• Battery Management: Advanced functions including boost charge control, capacity and remaining time prediction, constant current tests, scheduled tests, and fast battery testing
• Application: Telecom, data centers, and industrial DC power environments requiring precise site monitoring
