Dispositifs de commande électrique automatiques à usage domestique et analogue - Partie 2: Règles particulières pour les protecteurs thermiques des ballasts pour lampes tubulaires à fluorescence

This clause of Part 1 is replaced as follows:

1.1 This standard applies to the evaluation of thermal protectors for ballasts for tubular fluorescent lamps.

Requirements concerning the testing of the combination of ballast and thermal protector are given in IEC 920.

1.1.1 This standard applies to the inherent safety, to the operating values, operating times, and operating sequences where suc h are associated with equipment safety and to the testing of thermal protectors used to protect ballasts for tubular lamps from overheating.

This standard applies to thermal protectors for ballasts within the scope of IEC 920.

Thermal protectors covered by this standard may be suitable for ballasts for other discharge lamps.

Throughout this standard the word "protector" means "self- resetting thermal ballast protector".

1.1.2 This standard is not applicable to other means used to protect ballasts.

1.1.3 This standard does not apply to a manual device for opening the circuit.

1.2 This standard applies to protectors for use with ballasts for use on a.c. supplies up to 600 V at 50 Hz or 60 Hz.

Requirements relating to use on supplies up to 1 000 V a.c. are und er consideration.

1.3 This standard does not take into account the response value of an automatic action of a control, if such a response value is de pendent upon the method of mounting the control in the equipment. Where a response value is of significant purpose for the protection of the user, or surroundings, the value defined in the appropriate household equipment standard or as determined by the manufacturer shall apply.