HRM6-12/24 type SF6 box type gas insulated switchgear (hereinafter referred to as the aeration tank) adopts modular design, with its perfect unification of fixed and flexible expansion, in order to suit the requirements of the end user or network nodes, and satisfy all kinds of distribution by opening and closing, the needs of the box-type substation, cable branch box, with compact structure, safe and reliable, long life, maintenance-free, etc.
HRM6-12/24 型SF6共箱式气体绝缘开关设备（以下简称充气柜）采用模块化设计， 以其固定式与灵活扩展的完美统一，以适合终端用户或网络节点的要求，同时满足各种配电开闭所、箱式变电站、电缆分支箱的需要， 具有结构紧凑、安全可靠、 长寿命、 免维护的特点。
Normal service condition
Altitude ≤2500 meters
Ambient temperature
Maximum temperature +45℃;Minimum temperature 40℃
Delta humidity
Daily average humidity ≤ 95%;Monthly average humidity ≤ 90% A
Earthquake resistant capacity earthquake intensity does not exceed 8 degrees
正常使用条件
△海拔高度≤2500米
△环境温度
最高温度＋45℃；最低温度 40℃
△ 湿度
日平均湿度≤ 95%；月平均湿度≤ 90% A
抗震能力地震烈度不超过8度
Delta SF6 gas pressure at 20℃ 0.4bars (relative pressure)
Delta annual leakage rate ≤ 0.25%./ year
Delta submerged test at 0.3bars pressure / 24 h
Arcing test has 25kA/1S arc extinguisher without 16kA/S A
Level of protection
SF6 gas chamber IP67
Fuse cartridge IP67
Switch cabinet enclosure IP3X
Delta bus
Bus inside switch cabinet
Switch cabinet grounding bus
The bolt diameter
Chamber stainless steel housing thickness
△ SF6 气体压力 20℃下为0.4bars（相对压力）
△ 年泄漏率≤ 0.25%。／年
△ 浸水试验 水下施加 0.3bars的压力／ 24小时
△燃弧试验 有灭弧器 25kA/1S无灭弧器16kA/S A
△防护等级
SF6 气室 IP67
熔断器筒 IP67
开关柜外壳 IP3X
△ 母线
开关柜内母线
开关柜接地母线
螺栓直径
△气室不锈钢壳厚度
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HRM6-12/24 Medium Voltage Metal Enclosed Gas Insulated SwitchgearIndoor compact