User manual
14
TECHNICAL SPECIFICATIONS
Electrical
Nominal system voltage 12 or 24 Vdc
Max. battery current 15 A
Battery voltage range 7 V –36 V
Max. solar input voltage 75 V
Nominal Maximum Input Power*
12 Volt 200 Watts
24 Volt 400 Watts
Self-consumption 35 mA
Accuracy
Voltage 1.0 %
Current 2.0 %
Meter Connection 6-pin RJ-11
Transient Surge Protection 1500 Watts
Battery Charging
Regulation Method 4 stage
Temp. Compensation Coefficient –5 mV / °C / cell
(25°C reference)
Temp. Compensation Range –30°C to + 60°C
Temp. Compensated Setpoints Absorption
Float
Equalize
Battery Status LEDs
Falling V Rising V
G to Y 12.1 13.1 Y to G
Y to Flash R 11.7 12.6 Flash R to Y
Flash R to R 11.5 12.6 R to Y
Note: Multiply x2 for 24 Volt systems.
* These power levels refer to the maximum wattage the SS-MPPT-15 can pro-
cess. Higher power arrays can be used without damaging the controller, but
efficiency will be reduced at power levels much beyond the nominal ratings.