DB43/T 3221—202543 湖 南 省 地 方 标 准ICS 29.120 CCS K 40 发 布 湖南省市场监督管理局智能配电箱设计规范 Design specification for intelligent distribution box 2025-05发布-26 2025-08实施-26DB43/T3221—2025 I目 次 前言·························································································································Ⅲ 1范围······················································································································1 2规范性引用文件·······································································································1 3术语和定义·············································································································1 3.1智能配电箱·······································································································1 3.2智能单元··········································································································1 4符号和缩略语··········································································································1 5环境设计要求··········································································································2 6设计技术要求··········································································································2 6.1基本要求··········································································································2 6.1.1规格要求····································································································2 6.1.2接口特性····································································································2 6.1.3信息··········································································································2 6.2结构设计要求····································································································2 6.2.1防腐蚀·······································································································2 6.2.2绝缘材料的耐热和耐着火性能·········································································2 6.2.3机械操作····································································································2 6.2.4外壳防护等级······························································································2 6.2.5电气间隙和爬电距离·····················································································2 6.2.6电击防护和保护电路完整性············································································3 6.2.7开关器件和元件的组合··················································································3 6.2.8内部电路和连接···························································································3 6.2.9外接导线端子······························································································3 6.3功能设计要求····································································································3 6.3.1测量与监测·································································································3 6.3.2保护··········································································································3 6.3.3远程控制····································································································3 6.3.4事件记录····································································································3 6.3.5时钟··········································································································3 6.3.6电池··········································································································4 6.3.7历史数据记录······························································································4 6.3.8数据存储····································································································4 6.3.9通信要求····································································································4 6.4性能设计要求····································································································4 6.4.1电参量测量准确度······························