20.2 Insulation testsTable 555:Insulation testsDescription Type test value ReferenceDielectric tests: IEC 60255-5ANSI C37.90-2005• Test voltage 2 kV, 50 Hz, 1 min1 kV, 50 Hz, 1 min,communicationImpulse voltage test: IEC 60255-5ANSI C37.90-2005• Test voltage 5 kV, unipolar impulses,waveform 1.2/50 μs, sourceenergy 0.5 J1 kV, unipolar impulses,waveform 1.2/50 μs, sourceenergy 0.5 J, communicationInsulation resistancemeasurementsIEC 60255-5ANSI C37.90-2005• Isolation resistance >100 MΏ, 500 V DCProtective bonding resistance IEC 60255-27• Resistance <0.1 Ώ (60 s)20.3 Mechanical testsTable 556:Mechanical testsDescription Reference RequirementVibration response tests(sinusoidal)IEC 60255-21-1 Class 1Vibration endurance test IEC60255-21-1 Class 1Shock response test IEC 60255-21-2 Class 1Shock withstand test IEC 60255-21-2 Class 1Bump test IEC 60255-21-2 Class 1Seismic test IEC 60255-21-3 Class 220.4 Product safetyTable 557:Product safetyDescription ReferenceLV directive 2006/95/ECStandard EN 60255-27 (2005)1MRK 504 135-UEN A Section 20IED and functionality tests623Technical manual
