I-Panda 40A Series Manual page 9

5.2 Connections of the PV power system
5.2.1 PV String
Solar charge controller device can be connected in parallels to charge the same battery
bank. Please select PV modules with excellent function and reliable quality. Solar
panels may be connected in series or in parallel. Open-circuit voltage (Voc) of module
arrays connected in series should be less than Max. DC input Voltage (150V) of the
MPPT solar charge controller; operating voltage (Vmax) should conform to MPPT
voltage range.
Please use PV cable to connect modules to the charge controller. It should be outdoor
uv rated and we recommend 10Awg to prevent excessive losses due to distance. It is
beneficial to increase the dc voltage to optimize performance and decrease
inefficiencies.
Note:
Do not connect the PV panel positive or negative to ground.
Warning:
PV module voltage may be very high! Electrical shock and
fire may result due to improper connections. Please comply
with electric safety rules when connecting.
5.2.2 Specification for cable and micro-breaker
Model
Cable (Cu)
Micro-Breaker
Micro-breaker should be installed between DC input and outputs. Kindly check the
following picture (we do not provide external breakers)
I-P-MSC 40A I-P-MSC 50A
≥0.16 in or ≥0.16 in or
4mm
63 A
9
I-P-MSC 60A
≥0.16 in or
4mm 4mm
63 A 63A