Relion 630 Series PML630 Power Management Device Product Guide

This document is a product guide for the ABB Relion 630 Series PML630, a power management device that provides comprehensive load-shedding solutions to protect industrial power networks against blackouts and system disturbances. It details the device's fast, slow, manual, and underfrequency load-shedding functions, communication architecture using IEC 61850 and GOOSE/MMS, and its integration with other Relion relays and COM600 units.