Model Number: TTN-40A Brand Name: TTN Key Specifications/Special Features: MPPTSolarChargeControllerissuitableforsolaroff-gridsystems(standalonesystem),especiallyforstreetlightcontrolsystem,automaticallyadjuststhecharginganddischarging.Musecontrollerhasanadvancedinternaltrackingalgorithmtoobtainthemaximumpowerofsolarmodulestochargetheaccumulator;Meanwhile,thelowvoltagedisconnect(LVD)functioncanpreventthebatteryfromdamagecausedbyexcessivedischarge.Musecontrollerbatterychargingprocessisoptimized,canextendbatterylifeandimprovedsystemperformance.Itscomprehensiveself-testfunctionandelectronicprotectionfunctionscanbeavoidedthecontrollerdamageduetoinstallationerrorsandsystemfailures.i8'TmC:man'; font-weight:bold; font-size:10.0000pt; mso-font-kerning:1.0000pt; " >4.HaveUPSfunctionandACchargerfunction5.Wideinputvoltagerange:145-275V;threestepAVR(twostep-up,onestep-down)6.Protectionagainstoverload,short-circuit,overvoltage,under-voltageandover-temperature,etc.7.Antireverseconnectionprotectionandhigh-lowvoltageprotection(option)8.Specialoverloadprotection:whenitisoverload,itwilllocktheunitautomatically，whenitrestores，itwillrestarttheunitautomaticallyagain.
9.Stronginverterability.Itcanchangefrequencyimmediatelyanditisabletodrivethe
inductiveloadsuchasairconditioner,refrigerator,motor,etc.
10.LCDdisplay
11.Meettheneedofdifferentpowersupply
12.UseMOSFETandIGBT
13.Canchooseworkingmodebyyourself
WorkingModeOption：
1、Thecitypowerpriority:whencitypowerisavailable,theinverterwillworkACoutput,citypowerwillsupplytoload;whenhaveboth