Siemens 7SR105 Rho User Manual page 78

Motor protection relay
Table of Contents

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Contents
Section 1: Performance Specification ................................................................................................................. 3
1.1 Indication of Conformity ..................................................................................................................... 3
1.2 Technical Specifications ..................................................................................................................... 3
1.3 Environmental Performance ............................................................................................................... 7
1.4 Performance Specification ............................................................................................................... 13
List of Tables
Table 1-1
Technical Data Overview .............................................................................................................. 3
Table 1-2
Mechanical Specifications ............................................................................................................. 3
Table 1-3
Terminal Blocks with Push Buttons ............................................................................................... 4
Table 1-4
Current Inputs .............................................................................................................................. 4
Table 1-5
Auxiliary Supply............................................................................................................................ 4
Table 1-6
Auxiliary Supply............................................................................................................................ 5
Table 1-8
Binary Outputs ............................................................................................................................. 5
Table 1-9
Temperature Inputs ...................................................................................................................... 6
Table 1-10
Rear Communication Port ............................................................................................................. 6
Table 1-12
Data Storage ................................................................................................................................ 6
Table 1-13
Mechanical Tests ......................................................................................................................... 7
Table 1-14
Electrical Tests ............................................................................................................................. 7
Table 1-15
Safety Tests ................................................................................................................................. 9
Table 1-16
Auxiliary Supply Variation (60 to 240 V AC/DC Variant) ................................................................. 9
Table 1-17
Environmental Test .................................................................................................................... 10
Table 1-18
Product Safety Test .................................................................................................................... 10
Table 1-19
14 Stall Protection ...................................................................................................................... 13
Table 1-20
37 Undercurrent ......................................................................................................................... 13
Table 1-21
46 Phase Unbalance Protection .................................................................................................. 14
Table 1-22
48/66 Start Protection ................................................................................................................. 14
Table 1-23
49 Thermal Protection ................................................................................................................ 14
Table 1-24
50 Instantaneous & DTL OC&EF ................................................................................................ 15
Table 1-25
51 Time Delayed OC&EF ........................................................................................................... 15
Table 1-26
50 BF Circuit Breaker Fail ........................................................................................................... 16
Table 1-27
Temperature Inputs .................................................................................................................... 16
Table 1-28
74 T/CCS Trip/Close Circuit Supervision ..................................................................................... 16
Table 1-29
50BCL Break Capacity Limit ....................................................................................................... 16
Table 1-30
46PH REV Phase Reversal ........................................................................................................ 17
Table 1-31
Control Functions ....................................................................................................................... 17
Table 1-32
CB Maintenance ......................................................................................................................... 17
© 2018 Siemens Protection Devices
7SR105 Rho Performance Specification
Chapter 3 Page 2 of 17

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