Siemens 7SR105 Rho User Manual page 86

Type Test Reference
Voltage interruption
(AC/DC auxiliary
supply)
IEC 60255-26
RV = 48 V/220 V DC
RV = 230 V AC
Alternating
component in DC
IEC 60255-26
(Ripple)
DC Power supply
1
No effect on relay performance
2
Restart with no mal-operation, loss of data or relay damage
Table 1-17
Type Test
Climatic Environmental
Test
Humidity
Table 1-18
Type Test Reference
Clearances and IEC/EN 60255-27: Edition 2:
Creepage Distances 2013-10
IP Rating IEC/EN 60255-27: Edition 2:
2013-10
AC Dielectric Voltage
IEC/EN 60255-27: Edition 2:
2013-10
© 2018 Siemens Protection Devices
Parameters
0 % RV at 5 s
15 % Max and Min
of RV
Duration: 10 min
Environmental Test
Reference Requirement
Operating Temperature -10
IEC 60068-2-1,
Storage Range - 25
IEC 60068-2-2,
IEC60255-1
IEC 60068-2-30, Damp heat test, Cyclic
4 days at 40
Damp heat test, Steady state
IEC 60068-2-78,
4 days at 95 % RH, +40
IEC60255-1
Product Safety Test
7SR105 Rho Performance Specification
Declared Operation
Normal Operation
Normal Operation
0
C to + 60
0 0
C to + 70
0
C and 93 % relative humidity
0
C
Parameters
Clearances and
creepage distances
between external
circuits mutual and to
the enclosure
For Unit Front side
For Unit Rear side
Test voltage (AC): 2 kV
Test frequency: 50 Hz
Test duration: 1 min
2
1
0
C
C
Values
≥ 4 mm
IP54
IP20
After test, the relay
should be
operative
(Reinforced
Insulation with
communication
circuit)
Chapter 3 Page 10 of 17