标准号:SIS SS EN 50 025-1989
中文标准名称:工业用低压成套开关设备和控制设备.电感式接近开关.表格C ,直流电, 3或4终端
英文标准名称:Low-voltage switchgear and controlgear for industrial use — Inductive proximity switches — Form C, for direct current, 3 or 4 terminals
发布日期:1989/9/13 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This standard specifies only inductive proximity switches for direct current, in rectangular form, with a square cross-section, with 3 or 4 terminals for rated voltage not exceeding 48 V.These proximity switches are not embeddable in metal.Two types are included:With front sensing face: C21?1With upper sensing face: C21?2