Applies to self-healing capacitor units and banks intended to be used, in particular, for power-factor correction of a.c. power systems of up to and including 1000 V rated voltage and frequency 15 Hz to 60 Hz. Also applies to capacitors intended for use in power filter circuits. This consolidated version consists of the second edition (1996) and its amendment 1 (2002). Therefore, no need to order amendment in addition to this publication.