ABB RET316*4 HESG448750M2 Numerical Transformer ProtectionDescription The ABB RET316*4 HESG448750M2 is a compact, modular digital relay designed for fast and selective protection of two or three winding power transformers. It supports advanced communication protocols and flexible logic configurations, making it ideal for utility and industrial power distribution systems. Specifications Model: RET316*4 HESG448750M2 Function: Transformer protection, control, measurement, and supervision Protection Types:
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