Test protocols

LV surge arresters

Standard IEC 61643-1
• Measuring of the residual voltage with 8/20 µs current impulses
• Operating duty test
• Test of thermal stability of SPDs
• Dielectric withstand

MV surge arresters

Standard IEC 60099-4
• Insulation withstand test on the arrester housing
• Residual voltage tests
• Long-duration current impulse withstand test
• Operating duty test
• Accelerated ageing test
• Routine testing

Standard IEC 60099-5
• Measurement of the resistive leakage current

Tension composite insulators

Standard IEC 61109
• Dry lightning impulse withstand voltage test
• Wet power frequency voltage test
• Mechanical load-time tests

Line post composite insulators

Standard IEC 61952
• Dry lightning impulse withstand voltage test
• Wet power frequency voltage test
• Mechanical tests

More information: catalogue (pages from 105 to 108).