Home / Standards / GB/T 34581-2017 GB/T 34581-2017 Active General technical requirements for photovoltaic system DC circuit breakers 光伏系统用直流断路器通用技术要求 Standard Type GBT ICS 29.120.40 CCS K31 Status 现行 Issue Date 2017-09-29 Implementation 2018-04-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A