SIS SS EN 50 041-1989 工业用低压成套开关设备和控制设备．控制开关．座席开关42，5x80 ．尺寸和特点

标准号：SIS SS EN 50 041-1989
中文标准名称：工业用低压成套开关设备和控制设备．控制开关．座席开关42，5x80 ．尺寸和特点
英文标准名称：Low-voltage switchgear and controlgear for industrial use —Control switches —Position switches 42,5x80 —Dimensions and characteristics
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 applies to certain position switches with automatic return actuator for industrial use, the standardized dimensions of which and the characteristics necessary for their application are given below.Electric characteristics shall conform to those of IEC Publication 337 — Control switches.This standard includes the six following types:roller lever (form A),rounded plunger (form B),plunger with roller (form C),rod lever (form D),rounded plunger side actuator (form F),roller plunger side actuator (form G).The devices are fitted with either snap action designated (1) in clause 3 or slow make and break, designated (2) in clause 3, mechanisms.