This clause of part 1 is applicable except as follows: Replacement of the first sentence:
This part of IEC 60669 applies to electromagnetic remote-control switches (hereinafter referred to as RCS) with a rated voltage not exceeding 440 V and a rated current not exceeding 63 A, intended for household and similar fixed electrical installations, either indoors or outdoors. The RCS coil may or may not be permanently energized. Electronic RCS are within the scope of IEC 60669-2-1. RCS including only passive components such as resistors, capacitors, PTC and NTC components and printed wiring boards are not considered to be electronic RCS. Contactors are not covered by this standard.