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Siemens 7SR224 User Manual

Siemens 7SR224
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7SR224 Argus Commissioning & Maintenance Guide
The copyright and other intellectual property rights in this document, and in any model or article produced from it
(and including any registered or unregistered design rights) are the property of Siemens Protection Devices
Limited. No part of this document shall be reproduced or modified or stored in another form, in any data retrieval
system, without the permission of Siemens Protection Devices Limited, nor shall any model or article be
reproduced from this document unless Siemens Protection Devices Limited consent.
While the information and guidance given in this document is believed to be correct, no liability shall be accepted
for any loss or damage caused by any error or omission, whether such error or omission is the result of
negligence or any other cause. Any and all such liability is disclaimed.
©2010 Siemens Protection Devices Limited
7SR224 Recloser Controller
Overcurrent Relay
Document Release History
This document is issue 2010/05. The list of revisions up to and including this issue is:
2008/03 First issue
2008/06 Second issue
2009/09 Third issue
2010/04 Fourth issue
2010/05 Fifth issue. Document reformatted due to rebrand.
Software Revision History
2008/03 2435H80011R2d-1a First Release
2008/06 2435H80011R3d-2b Second Release. Loss Of Voltage
2008/10 2435H80011R4-3 Third Release. Single/Triple AutoReclose function
2009/09 2435H80011R4c-3b Fourth Release. Software maintenance release.
2010/04 2434H80011R4d-4 Fifth Release. Synchronising

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Siemens 7SR224 Specifications

General IconGeneral
Rated Current1A or 5A
Frequency50 / 60 Hz
Rated Frequency50 / 60 Hz
Number of Overcurrent Stages3
Number of Earth Fault Stages1
Current Input1A or 5A
Communication ProtocolsModbus RTU
Operating Temperature Range-25°C to +55°C
Protection FunctionsOvercurrent, Earth Fault
Auxiliary Supply Voltage24-250V DC/48-265V AC

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