SIS SS EN 50 011-1989 工业用低压成套开关设备和控制设备．特殊接触继电器的终端标识，独特数量和独特字母

标准号：SIS SS EN 50 011-1989
中文标准名称：工业用低压成套开关设备和控制设备．特殊接触继电器的终端标识，独特数量和独特字母
英文标准名称：Low-voltage switchgear and controlgear for industrial use — Terminal marking, distinctive number and distinctive letter for particular contactor relays
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 contactor relays according to IEC Standard 337, having specific relative positions of the contact elements and an associated terminal numbering sequence.These particular contactor relays are designated by a distinctive number followed by a specified distinctive letter.The use of this standard is recommended where terminal marking is a requirement of the relevant standard for contactor relays, or is usual practice.