ABB SS822Z Power Voting Unit

Description

ABB SS822Z Power Voting Unit (product code 3BSC610055R1) is a modular power management component designed for industrial automation and control systems, including PLC setups, robot controls, and large-scale DCS networks. It features a redundant dual 24V DC input design, each with a maximum input current of 10A, enabling independent voltage and current monitoring of two separate power sources. The built-in intelligent voting circuit automatically selects the more reliable input for output, with a fast switchover time of less than 10ms during power failures to ensure uninterrupted power supply to connected equipment. The unit delivers a single 24V DC output with a maximum current of 20A, providing stable power support for industrial devices. Equipped with LED status indicators, it offers clear visual feedback on input/output status and fault alerts. It also includes comprehensive protection functions against overvoltage, overcurrent, and short circuits. With a width of 50mm, it supports DIN rail mounting and field installation, and has an IP20 protection rating, operating temperature range of -20 degrees Celsius to +70 degrees Celsius, and certifications including CCC, CE, and UL. Its advanced features include common mode inductor filtering, which keeps output voltage fluctuations below 0.5% even in 30V/microsecond interference environments, and support for parallel expansion up to 4 channels of redundancy for large-scale system needs.