Siemens SIPROTEC easy 7SJ45 - User Manual

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SIPROTEC easy
Digitaler Überstromzeitschutz
Numerical Overcurrent Protection
7SJ45
Handbuch
Manual
C53000-K1174-C001-7
19.04.02
ERROR
ENTER
RUN
SIPROTEC
7SJ4
-
123456 ON
60 Hz 50 HzFREQ.
IE
I>>
MODE
N INV
V INV
E INV
IEC 51
DT O/C
50/51
123456123456123456 ON
123456 ONONON
1.6
0.8
0.4
0.2
0.1
0.05
3.2
1.6
0.8
0.4
0.2
0.1
TI>
MIN 0
MAX 6.3
TIp
MIN 0.05
MAX 3.15
*
: PULSE OUTPUT/CONTACT OUTPUT
[s]
3.2
1.6
0.8
0.4
0.2
0.1
3.2
1.6
0.8
0.4
0.2
0.1
I>
MIN 0.8/1.3
MAX 6.2/
*
Ip
MIN 0.8/1.3
MAX 4/
*
[I/I ]
N
0.8
0.4
0.2
0.1
0.05
0.025
TI>>
MIN 0
MAX 1.575
[s]
0.8
0.4
0.2
0.1
0.05
0.025
TI>>
MIN 0
MAX 1.575
16
8
4
2
1
0.5
I>>
MIN 2
MAX 20/
[I/I ]
N
16
8
4
2
1
0.5
I>>
MIN 2
MAX 20/
.
.
.
.
TRIP
8
8
8
8

Siemens SIPROTEC easy 7SJ45 Specifications

General

Type	Protection Device
Model	SIPROTEC easy 7SJ45
Rated Frequency (fr)	50/60 Hz
Current Input	1 A / 5 A
Rated Current	1 A or 5 A
Digital Inputs	8
Digital Outputs	6
Display	LCD
Housing	Plastic
Weight	Approx. 1.5 kg
Rated System Voltage (Ur)	Up to 690 V AC
Communication Interfaces	RS485, Ethernet
Protocols	IEC 61850
Protection Functions	Overcurrent, Earth Fault
Voltage Transformer Inputs	2
Mounting	DIN rail mounting

Summary

Operating Instructions

Product Conformity and Standards

Details compliance with EU directives and international standards.

General Information and Safety Precautions

Provides overview, safety warnings, and personnel qualifications.

Qualified Personnel Requirements

Defines necessary qualifications for operating and maintaining the device.

Prescribed Use and Warnings

Outlines intended applications and essential safety observance.

Registered Trademarks

Lists registered trademarks of SIEMENS AG and other designations.

Copyright Notice

States copyright ownership and restrictions on document use.

Disclaimer of Liability

Explains the limitations of liability for errors or omissions.

Unpacking and Packing Guidelines

Instructions for safe unpacking and preparation for transport.

Storage Recommendations

Guidelines for storing the device to maintain its condition.

Device Applications

Describes typical uses of the SIPROTEC easy 7SJ45 protection device.

Construction

Device Housing Options

Details panel flush and standard rail mounting capabilities.

Front Panel Controls and Indicators

Describes the front panel elements for operation and indication.

Settings

Basic Settings Block Configuration

Explains how to set fundamental operating parameters using DIP switches.

Detailed Parameter Settings

Covers setting allocation based on device variant and mode.

Relay Output Jumper Configuration

Installation and Commissioning

Panel Flush Mounting Procedure

Step-by-step guide for mounting the device in a panel cutout.

Standard Rail Mounting Procedure

Instructions for installing the device on a 35 mm DIN rail.

Electrical Connection Guidelines

Details on wiring the device, including safety precautions.

Device Commissioning Steps

Procedures for testing and verifying the device after installation.

Maintenance

Technical Data

Electrical, EMC, and Mechanical Test Specifications

Summarizes test standards and parameters for electrical, EMC, and mechanical stress.

Climatic Tests and Device Design Details

Covers operating temperatures, humidity, dimensions, and housing protection.

Overcurrent Protection Setting Ranges

Details setting ranges and increments for definite-time and inverse-time protection.

Trip and Reset Timing Characteristics

Presents graphical and formulaic data for tripping and reset times.

Tolerances and Value Deviations

Lists tolerances for pickup, time, and influences on measured values.

Ordering Data and Accessories

Connection Examples