... voltage, short circuit, over temperature etcCold startGenerator compatibleWith RS232 and RS485 standard collocate,Option SMMP and dry contact connectionOption battery manage ... power reduce 1% every 100M raised,4000M utmost)Telecom interfaceRS232,RS485. Dry contact interface,SNMP card(network remote control)size600* ... to APC by Schneider, Liebert by EMERSON, Alpha, EATON, MGE, SIEMENS, SANTAK,etc. ....