... 2.Short circuit alarm 3. Earth alarm 4.Easy to install We Xiamen Leelen High Voltage Electric Co.,Ltd,is a ... professional OEM/ODM manufacturer about switchgear conponents,such as voltage indicator,heater,short circuit and earth ... . Low voltage of the battery alarming indicationTechnical data: Short circuit alarming current: 150A to 2000AEarthing alarming current:10A ,20 ...