Table 1-14 Product Safety Test - Siemens 7SR45 Argus User Manual

Self powered overcurrent and earth fault relay
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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:
2013-10
#
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
© 2017 Siemens Protection Devices Limited
Table 1-14
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 kV
Test frequency: 50 Hz
Test duration: 1 min
Test voltage: 500 V DC
Test duration: > 5 s
Test voltage: < 12V
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
7SR45 Performance Specification
Values
≥ 4 mm
IP52
IP20
After test, the
relay should be
operative
(Reinforced
Insulation with
communication
circuit)
> 100 M ohm
< 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
Chapter 3 Page 8 of 10

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