Siemens 7SR105 Rho User Manual page 85

Motor protection relay
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Functional
Temperature Input
(Pt100)
Maximum Allowable
Temperature
Limiting Dynamic Value IEC 60255-6
NOTE:
* 45 ms DTL pick-up delay applied to binary inputs
NOTE:
#
All aspect of IEC 60255-5 have been covered under IEC 60255-27
Table 1-15
Type Test
Safety IEC 61010-1
(Third Edition): 2010
Table 1-16
Type Test
Reference
Voltage Dips
IEC 60255-26
(AC auxiliary supply)
RV = 230 V AC
Voltage Dips
IEC 60255-26
(DC auxiliary supply)
RV = 110 V DC
Voltage Dips
IEC 60255-26
(DC auxiliary supply)
RV = 48 V DC
Gradual shutdown /
Start-up test
IEC 60255-26
© 2018 Siemens Protection Devices
IEC 60255-8 and
IEC 60255-3
IEC 60751
IEC 60255-6
Safety Tests
Reference
IEC 61010-1
Auxiliary Supply Variation (60 to 240 V AC/DC Variant)
Parameters
0 % RV at 1000 ms
40 % RV at 200 ms
70 % RV at 500 ms
0 % RV at 100 ms
40 % RV at 200 ms
70 % RV at 500 ms
0 % RV at 20 ms
40 % RV at 200 ms
70 % RV at 500 ms
Shut down ramp 60 s
Power off 5 min
Start up ramp 60 s
for both 1 A and 5 A CTs
Max. temperature limit +100
1 A CT:
700 A for 10 ms
5 A CT:
2500 A for 10 ms
Requirement
Protection Against Electric Shock as per Cl.No.6
Resistance to mechanical stresses as per
Cl.No.8
Protection Against Spread of Fire as per Cl.No.9
Equipment Temperature Limits and Resistance
to heat as per Cl.No.10
Declared Operation
Normal Operation
Normal Operation
Normal Operation
Normal Operation
Normal Operation
Normal Operation
Normal Operation
Normal Operation
Normal Operation
Normal Operation
7SR105 Rho Performance Specification
0
C
1
1
1
1
1
1
1
1
1
2
Chapter 3 Page 9 of 17

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