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Extension Connectivity: Provides reliable connection for Modulebus extension cables
Number of Colors: 16 Blue levels
Category: Control System Modules
manages I/O
offering scalability for both large and small installations
ABB RET521 1MRK001530-AE Transformer Protection Relay 3500/65 Extension Connectivity: Provides reliable connectionDescription The RET521 is part of ABB's Relion series and provides advanced protection, control, and monitoring functionalities for transformers. It is engineered to ensure reliable operation, minimize downtime, and enhance the efficiency of power systems. Specifications Type: Transformer Protection Relay. Protection Functions: Includes differential protection, overcurrent protection, and thermal overload protection. Communication Protocols: Supports