额定电压:750VDC/1500VDCRated Voltage:750VDC/1500VDC额定电流:4200ARated Current:4200A额定短时耐受电流:70kARated Short Circuit Withstand Time:70kA额定峰值耐受电流:100kARated Withstand Current(peak):100kA使用寿命:30年Mechenical life:30Years