Siemens 7SR45 Argus User Manual page 71

NOTE:
* Applicable for the following:
 Self powered relay with the rated current.
 Dual powered relay with the rated auxiliary voltage of 110 V DC and above
NOTE:
# For battery - To retain the battery life during the transportation and storage, it is recommended to maintain
the permissible temperature range from -20°C to +45°C
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
Impulse Voltage IEC/EN 60255-27: Edition 2
AC Dielectric Voltage IEC/EN 60255-27: Edition 2:
2013-10
Insulation Resistance IEC/EN 60255-27: Edition 2:
2013-10
Protective Bonding IEC/EN 60255-27: Edition 2:
Resistance 2013-10
Protective Bonding IEC/EN 60255-27: Edition 2:
Continuity 2013-10
Flammability of IEC/EN 60255-27: Edition 2:
Insulating Materials,
2013-10
Components and Fire
enclosures
© 2018 Siemens Protection Devices Limited
.Table 1-16 Product Safety Test
Parameters
Clearances and
creepage distances
between external
circuits mutual and to
the enclosure
For Unit Front side
For Unit Rear side
5 kV, 5 +ve, -ve pulses
Test voltage (AC): 2.0 kV
Test frequency: 50 Hz
Test duration: 1 min
Test voltage: 500 V DC
Test duration: > 5 s
Test voltage: < 12 V
AC/DC
Test duration: 1 min
Bonding resistance
Accessible conductive
parts should be bonded
with the protective
conductor terminal
Structure Part
Terminals
Terminal Mounting
Wiring (CT)
Components mounting
Enclosure
PCB
LCD
Chapter 3 - 7SR45 Performance Specification
Values
≥ 4 mm
IP52
IP20
After test, the relay
should be operative
(Reinforced Insulation
with communication
circuit)
> 100 Mohm
< 0.1 Ohm
Low current continuity
test
Standard for
insulating material of
flammability class
Class UL 94 V-0
Class UL 94 V-0
(N)2GFAF (VDE)
Class UL 94 V-0
Class UL 94 V-0
Class UL 94 V-0
Class UL 94 V-0