BS EN 61621:1997

Действует

Dry, solid insulating materials. Resistance test to high-voltage, low-current arc discharges — 18 стр.

Ссылочные документы

Действует

Corrigendum 1 - Electrical insulating materials - Method to evaluate the resistance to tracking and erosion - Rotating wheel dip test — 0 стр.

Заменен

Test method for evaluating resistance to tracking and erosion of electrical insulating materials used under severe ambient conditions — 19 стр.

Заменен

Standard conditions for use prior to and during the testing of solid electrical insulating materials — 17 стр.

Заменен

Method for determining the comparative and the proof tracking indices of solid insulating materials under moist conditions — 17 стр.