额定电压Rated voltage kV1224额定频率Rated frequency Hz50/6050/60额定短时工频耐压Rated power-frequency withstand voltage kV4265额定雷电冲击耐压Rated lightning impulse withstand voltage kV75125额定峰值耐受电流Rated peak withstand currentup to kA 6350额定短路关合电流Rated short-circuit making currentup to kA6350额定短时耐受电流Rated short-time withstand current2 sup to kA25204 sup to kA2020额定短路开断电流Rated short-circuit breaking currentup to kA2520额定母线电流Rated normal current for busbarup to A630环境温度Ambient air temperature不带二次设备Without secondary equipment°C-25/-40* to 70带二次设备With secondary equipment°C-5/-15*/-25* to 55存储 / 运输Storage/transport°C-40 to 70防护等级Degree of protection一次部分Primary part IP67柜体外壳Switchgear IP2X / IP3X二次部分Secondary part IP3X / IP4X内部燃弧等级* IAC*靠墙安装Wall-standing arrangement A FL up to 21kA (1s)自由安装*Free-standing arrangement* A FLR up to 21kA (1s)