33
7 Specifications
Electrical Parameters
Item
ET4415BND
ET6415BND
ET6420BND
Nominal System Voltage
12/24/36/48VDC Auto
Nominal Battery
Current
45A
60A
Battery Input Voltage
Range
8V
～
68V
Max. PV open circuit
voltage
150V
①
/
138V
②
190V
①
/
180V
②
MPP Voltage Range
(V
BAT
※
+2V)
～
108V
③
(V
BAT
+2V)
～
144V
③
Maximum Input Power
600W/12V
1200W/24V
1800W/36V
2400W/48V
800W/12V
1600W/24V
2400W/36V
3200W/48V
Self Consumption
1.4W
～
2.6W
Grounding
Common Negative
①
At minimum operating environment temperature.
②
At 25
℃
environment temperature.
③
Max. PV open circuit voltage must never exceed 138V under 25
℃
conditions.
※
Battery voltage
Environmental Parameters
Environmental
Parameter
LCD temperature range
-20
℃
~ +70
℃
Ambient temperature range*
-25
℃
~ +55
℃
Storage temperature range
-30
℃
~ +85
℃
Humidity range
≤9
5%, N.C.
Enclosure
IP20
Altitude
< 5000 m (Derate to operate according to
IEC60146 at a height exceeding 1000 m)
* Please operate controller at permitted ambient temperature. If over
permissible range, please derate capacity in service.
