Product features
New generation MPPT solar intelligent digital controller
■ Self cooling, protection grade IP43
■Exquisite design, touch keys, internal and external repair
■Four stage charging, extending battery life
■Tracking efficiency up to 99.8%
■Perfect protection function
■Expandable app, upper computer, and unlimited parallel computer
Technical indicators
Model | ET-SM20 | ET-SM30 | ET-SM 40 | ET-SM 50 | ET-SM 60 | |||
Input rated power | 520W | 780W | 1040W | 1300W | 1560W | |||
Product category | ||||||||
Maximum power point tracking efficiency | ≥99.5% | |||||||
standby power | 0.5~1.2W | |||||||
Battery system | 18~30Vdc | |||||||
Lithium ion battery system | 8 Vdc~30Vdc | |||||||
input parameter | ||||||||
Maximum input voltage | 100Vdc | |||||||
Minimum MPPT voltage | Real time battery voltage +2v | |||||||
Starting voltage | Real time battery voltage +3v | |||||||
Input low voltage protection voltage | Real time battery voltage +2v | |||||||
/Input overvoltage protection voltage | 150/95Vdc | |||||||
其它参数 / Other parameters | ||||||||
Battery type | Lithium lead acid battery rich liquid battery | |||||||
Rated maximum charging current | 20 | 30 | 40 | 50 | 60 | |||
communication | RJ45 /RS485/上位机软件, Upper computer software, /WIFI/标准 standard), Modbug协议 ,agreement | |||||||
Operating ambient temperature | -20℃~50℃ | |||||||
Size | 220*145*58.8/289*212*105 245*170*68.5/334*225*123 | |||||||
Weight (KG) | 1.65/1.98 2.35/2.78 | |||||||