Abb Substation Automation Over current Relay SPCJ 4D29 Aa Module

ABB Substation Automation Overcurrent Relay SPCJ 4D29 AA Module The ABB SPCJ 4D29 AA is a protective relay module designed for substation automation systems. Engineered to monitor and respond to overcurrent conditions, it ensures rapid system protection and operational reliability across medium- and high-voltage networks. Key Specifications Model: SPCJ 4D29 AA Brand: ABB Function: Overcurrent protection relay Revision: AA Connectivity: Modular backplane connector Indicators: Onboard diagnostic LEDs and jumper configuration Applications: Overcurrent protection in power distribution systems Integration into ABB substation control systems Relay automation and system diagnostics Mounting: Plug-in module with front panel access This robust ABB protection relay module plays a vital role in securing substation operations, minimizing system downtime, and facilitating automation in modern electrical infrastructure.