Siemens SIPROTEC 7SJ531 User Manual

)NSTRUCTION -ANUAL
.UMERICAL ,INE AND -OTOR 0ROTECTION WITH #ONTROL &UNCTIONS
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&IGURE  )LLUSTRATION OF THE NUMERICAL LINE AND MOTOR PROTECTION WITH CONTROL FUNCTIONS 3)02/4%# 3*
IN FLUSH MOUNTING CASE
D 3IEMENS !' 
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Siemens SIPROTEC 7SJ531 Specifications

General

Frequency	50/60 Hz
Rated Current	1 A or 5 A
Fuse Failure Monitor	Yes
Circuit-Breaker Failure Protection	Yes
Automatic Reclosing	Yes
Synchrocheck	Yes
Protection Functions	Overcurrent, earth-fault, overload, thermal, breaker failure, automatic reclosing, synchrocheck
Number of Measuring Inputs	4 voltage
Current Transformer Input	1 A / 5 A
Communication Interfaces	Ethernet, RS485
Communication Protocols	IEC 61850, Modbus, DNP3
Operating Temperature	-25°C to +70°C
Display	LCD
Mounting Type	Flush mounting, rack mounting, surface mounting
Arc Protection	Optional