Siemens SIPROTEC 7SJ600 User Manual

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Siemens SIPROTEC 7SJ600 Specifications

General

Brand	Siemens
Model	SIPROTEC 7SJ600
Category	Relays
Language	English

Summary

Introduction to SIPROTEC 7SJ600 Relay

Application of SIPROTEC 7SJ600

Describes the use of the SIPROTEC 7SJ600 as a definite time overcurrent protection relay for various applications.

Design of SIPROTEC 7SJ600 Relay

Ordering Data and Variants

Explains the coding system for ordering different configurations and variants of the 7SJ600 relay.

Technical Data for SIPROTEC 7SJ600

General Technical Data

Covers essential technical specifications including measuring circuits, auxiliary voltage, and contact ratings.

Definite Time Overcurrent Protection

Details the setting ranges, trip characteristics, tolerances, and influence variables for definite time O/C protection.

Inverse Time Overcurrent Protection

Explains the setting ranges, trip time characteristics, tolerances, and influence variables for inverse time O/C protection.

Unbalanced Load Protection

Thermal Overload Protection

Method of Operation for SIPROTEC 7SJ600

Complete Unit Operation

Time Overcurrent Protection Operation

Describes the principles and logic diagrams for definite and inverse time overcurrent protection stages.

Unbalanced Load Protection Operation

Thermal Overload Protection Operation

Installation Instructions for SIPROTEC 7SJ600

Mounting and Connections

Electrical Connections Details

Configuration of Operation and Memory

Protective Functions Configuration

Explains how to configure the various protective functions available on the 7SJ600 relay.

Operating Instructions for SIPROTEC 7SJ600

Safety Precautions

Provides critical safety warnings and precautions for operating the relay, emphasizing hazardous voltages.

Dialog with the Relay Interface

Setting Functional Parameters

Details the procedure for setting various functional parameters via the relay's menu structure.

Testing and Commissioning Procedures

Provides detailed procedures for testing and commissioning various protective functions and the circuit breaker.

Commissioning Using Primary Tests

Details primary tests for current circuits, reverse interlock scheme, logic functions, and binary I/O.

Putting the Relay into Operation

Maintenance and Fault Tracing

Fault Tracing Procedures

Describes procedures for fault tracing, including checking LED indications and troubleshooting common issues.