SS 254 Pt.3A-1981 爆炸性空气中使用的电气设备规范．第3A部分：本质安全和辅助设备的结构和测试

标准号：SS 254 Pt.3A-1981
中文标准名称：爆炸性空气中使用的电气设备规范．第3A部分：本质安全和辅助设备的结构和测试
英文标准名称：SPECIFICATION FOR Electrical Apparatus for Explosive Gas Atmospheres Part 3A : Construction and Test of Intrinsically-safe and Associated Apparatus
发布日期：1981/1/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：This specification applies to electrical apparatus, or parts of such apparatus, intended for use in explosive atmospheres, in which the electrical circuits themselves are incapable of causing ignition.This specification applies not only to apparatus or parts of apparatus in the hazardous area, but also to any parts located outside the hazardous area, where the intrinsic safety of the electrical circuits in the hazardous area may be influenced by the design and construction of such parts.This specification must be read in conjunction with SS 254 : Part 0.