Industrial 02-790859-00 Isolation Relay Circuit Board Card

The 02-790859-00 P/L NC Isolation Relay Assembly Circuit Board Card provides electrical isolation and relay switching between control and power circuits in UPS and critical power systems. It is designed for installation in UPS systems, data centers, telecommunications facilities, and industrial power distribution equipment, delivering isolated control and signal switching for fault protection and continuous system operation. Key specifications include Manufacturer Part Number 02-790859-00, Product Type Isolation Relay Assembly Circuit Board Card, Board Type Printed Circuit Board (PCB) Assembly, and Construction as a Multi-Layer PCB with a chassis-mounted mounting style and an interface for control and power circuit isolation. Related boards include 02-790858-01 Transfer Relay Board, 02-790868-00 RLI Board, and 02-790870-15 Micro Monitor Board; common replacements reference Liebert Emerson 02-790858-01 Transfer Relay Board.