20.2
Insulation tests
Table 555:
Insulation tests
Description
Type test value
Reference
Dielectric tests:
IEC 60255-5
ANSI C37.90-2005
•
Test voltage
2 kV, 50 Hz, 1 min
1 kV, 50 Hz, 1 min,
communication
Impulse voltage test:
IEC 60255-5
ANSI C37.90-2005
•
Test voltage
5 kV, unipolar impulses,
waveform 1.2/50 μs, source
energy 0.5 J
1 kV, unipolar impulses,
waveform 1.2/50 μs, source
energy 0.5 J, communication
Insulation resistance
measurements
IEC 60255-5
ANSI C37.90-2005
•
Isolation resistance
>100 MΏ, 500 V DC
Protective bonding resistance
IEC 60255-27
•
Resistance
<0.1 Ώ (60 s)
20.3
Mechanical tests
Table 556:
Mechanical tests
Description
Reference
Requirement
Vibration response tests
(sinusoidal)
IEC 60255-21-1
Class 1
Vibration endurance test
IEC60255-21-1
Class 1
Shock response test
IEC 60255-21-2
Class 1
Shock withstand test
IEC 60255-21-2
Class 1
Bump test
IEC 60255-21-2
Class 1
Seismic test
IEC 60255-21-3
Class 2
20.4
Product safety
Table 557:
Product safety
Description
Reference
LV directive
2006/95/EC
Standard
EN 60255-27 (2005)
1MRK 504 135-UEN A
Section 20
IED and functionality tests
623
Technical manual
Summary of Contents for ret650
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