标准号:IS 9994-1981
发布日期:1982/3/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围: This standard covers potential type auxiliary relays with normally closed contacts for use in capacitor-start capacitor-run hermetic compressors operating on single-phase, 240 V, 50Hz ac supply.Note — The term 'potential relays', commonly used in airconditioning practice, is the synonym of 'voltage relays' used in electrotechnical field.