The words color above controllers is balck color,no Blue!!Thanks for your understand!
Features :
• Accurately recognizing and tracking of multiple power points.
• Battery temperature compensation function
• Real-timeenergy statisticsfunction
• RS485 port with industrial standard MODBUS open architecture
• Fully programmable function via PC software
• Support software upgrade

Model: Tracer3210CN
Nominal system voltage: 12/24VDC autowork
Rated charge current: 30A
Battery input voltage range: 9V～32V
Max. PV open circuit voltage: 100V(at minimum operating environment temperature) 92V(at 25℃environment temperature)
MPP voltagerange: (Battery voltage+2V)～72V
Max. PV input power: 390W(12V); 780W(24V)
Dry contact control range: 30VDC/1A
Communication voltage: 12VDC
Battery Type: Sealed(Default)/Gel/Flooded/User
Equalize charging voltage*: Sealed: 14.6V, Flooded: 14.8V, User: 9~17V
Boost charging voltage*: Gel: 14.2V, Sealed: 14.4V, Flooded: 14.6V,User: 9~17V
Float charging voltage*: Gel /Sealed /Flooded: 13.8V, User: 9~17V
Low voltage reconnect voltage*: Gel /Sealed /Flooded: 12.6V, User: 9~17V
Low voltage disconnect voltage*: Gel /Sealed /Flooded: 11.1V, User: 9~17V
Self-consumption: ≤20mA(12V); ≤23mA(24V)
Temperature compensation coefficient: -3mV/ ºC/2V
Grounding: Common negative
Overall dimension: 173x163x86mm
Power terminals: 6AWG(16mm2)
Net weight: 1.46kg
Enclosure: IP20
Working environment temperature: -35 ºC ～+55 ºC
Relative humidity: ≤95% (N.C.)
* Technical data for 12V system at 25℃, twice in 24V system.
*Programmable voltage value by PC .

Optional accessories you can purchase in our store: (Not Include)
RTS300R47K3.81A
Remote temperature sensor (3m)
CC-USB-RS485-150U-3.81
PC communication cable (1.5m)

• Original dry contact design, achieve the switch of external equipment
• Multiple dry contact control mode, local, remote and cross- network
• Multiple dry contact working modes: manual control, light ON/OFF, light ON+timer and time control
• High tracking efficiency no less than 99.5%
• Peak conversion efficiency of 97.5%, full-load efficiency of 96%

Original dry contact design, achieve the switch of external equipmentBEIJING EPSOLAR TECHNOLOGY CO.,LTD.