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IEC 60947-5-2:1992 ed1.0
Low-voltage switchgear and controlgear - Part 5: Control circuit devices and switching elements - Section 2: Proximity switches
151 стр.
Заменен
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Разработчик:
Зарубежные/IEC
ICS:
29.130.20 Low. Including switchgear and controlgear assemblies / Низковольтная коммутационная аппаратура и аппаратура управления. Включая коммутационную аппаратуру и аппаратуру управления в сборе29.120.99 Other electrical accessories / Электрическая арматура прочая
Описание
Applies to inductive and capacitive proximity switches that sense the presence of metallic and/or non-metallic objects, ultrasonic proximity switches that sense the presence of sound reflecting objects and photoelectric proximity switches that sense the presence of objects. These proximity switches are self-contained, have semiconductor switching elements and are intended to be connected to circuits the rated voltage of which does not exceed 250 V 50 Hz/60 Hz a.c. or 300 V d.c.