... (Lockable-off);4.Communication(1) With strong networking, flexible to support RS485, Ethernet, WIFI, GPRS and other communication modes;Specification BG4KTLBG5KTLBG6KTLInput (DC ... night<1WIsolation modetransformerlessRunning temperature-25°C~+60°C,Derate after 45°CProtectionOvervoltage protection , DC isolation monitoring , DC monitoring,Grounding fault monitoring ...