Siemens 7SJ6405-5EB92-1FE0-Z SIPROTEC 7SJ64 Protection Relay

Keywords7SJ6405-5EB92-1FE0-Z, Siemens, SIPROTEC 7SJ64, feeder protection relay, CFC logic, substation spare

Feature & Principle

It belongs to Siemens SIPROTEC 7SJ64 series high-end multifunction numerical feeder protection relay. Besides phase overcurrent, sensitive earth fault, directional protection, thermal overload and auto-reclose, it supports built-in CFC programmable logic for bay interlock and substation automation. It integrates fault waveform recording, sequence of event and power measurement functions. It supports multiple communication protocols and is configured via DIGSI 4 software. This model is phased out, successor series is SIPROTEC 5 7SJ85.

Specifications

Model: 7SJ6405-5EB92-1FE0-Z Brand: Siemens Series: SIPROTEC 7SJ64 Core function: Directional overcurrent, earth fault, autoreclose, CFC programmable logic, fault recording Frequency: 50 / 60Hz Configuration software: DIGSI 4 Mounting: Flush panel mount, 1/2 19 inch Application: MV distribution feeder, overhead line, industrial substation bay control Certification: CE, IEC

Components & Diagnostics

CT/PT signal acquisition board, main CPU board, power supply module, relay output contacts, graphic display, status LED. Common faults: CT signal abnormal, communication interruption, relay contact burnout, setting parameter loss, power module failure.

Product Brief

7SJ6405-5EB92-1FE0-Z protection relay, Siemens SIPROTEC series advanced feeder protection spare widely used for substation relay cabinet overhaul and replacement.