Beckwith Electric M-3425A Generator Protection Relay Unit

Feature & Principle

This relay collects CT and PT signals, implements out-of-step, split-phase differential, loss of excitation, over/under frequency, inadvertent energizing and other generator protection functions. It can send trip signals to circuit breakers when faults occur, store fault oscillography data, and support parameter configuration and data uploading via IPScom software and communication interface.

Specifications

Model: M-3425A Brand: Beckwith Electric (Hubbell) Applicable object: All types of synchronous generators CT input: 1A / 5A selectable Communication: Modbus, optional Ethernet Auxiliary power: Wide range AC/DC Mounting: Panel flush mount Certification: IEEE C37.102, CE

Components & Diagnostics

Main CPU board, analog sampling module, digital input/output board, communication interface, optional M-3931 HMI display module. Common faults: measurement value deviation, self-test alarm, communication disconnection, DI/DO channel failure.

Product Brief

M-3425A generator protection relay, Beckwith power automation spare widely used for industrial backup generators, distributed power stations and small hydropower protection cabinets.