4.0kw AC 380V 900VDC solar controller solar pump inverter

Power input

Voltage

1T: 90V DC to 400V DC
2T: 150V DC to 450V DC
4T: 250V DC to 800V DC

Frequency

50Hz/60Hz, tolerance ±5%

Voltage range

Continuous voltage fluctuation ±15%, short fluctuation
-15%~+15%

Voltage out-of-balance rate<3%

Total Voc range (V) of recommended
panels

1T Type:175-380VDC
2T Type:360-430VDC
4T Type:620-750VDC

Power output

Adaptive motor
type

Three-phase asynchronous motor, permanent magnet
synchronous motor

Output voltage (V)

Three-phase:0%~rated input voltage, error < ±3%

Output frequency (Hz)

0.00%~599.00Hz; unit:0.01Hz

Overload capacity

150% rated current/60s, 180% rated current/10s, 200% rated
current/0.5s

Basic
functions

ACC/DEC time

0.0~650.00s

Switching frequency

0.5kHz～16kHz

Frequency
setting

Digital setting + control panel, Communication，Analog setting ，Terminal pulse setting

Motor start-up
methods

Started from starting frequency，DC brake start-up，Speed
tracking start

Motor stop methods

Ramp to stop，Free stop

Protection
function

Solar pump
protection function

Dry run,low frequency,low power,dormancy,water full,pump
over current protection

Basic
protection
function

AC drive unit protection，Overcurrent during acceleration，
Overcurrent during deceleration，Over current at constant
speed，Overvoltage during acceleration，Overvoltage during
deceleration，Overvoltage at constant speed，Undervoltage，
Power input phase loss，Power output phase loss,Drive
overload，Motor overload，Current detection fault，Drive
temperature exceeds the limit，Load becoming 0 ，Too large
speed deviation，Short circuit to ground，External equipment
fault，Fast current limit fault，Communication fault，Master slave
control communication disconnection，EEPROM read-write
fault，PID feedback lost during running，Data storage fault，
Control power supply fault，Motor switchover fault during
running,Accumulative running time reached

Featured
functions

Parameter copy, parameter backup, common DC bus, parameters, flexible
parameter displayed & hidden, various master & auxiliary setting and switchover,
flying start, a variety of Accel/Decel curves optional, brake control, 16-step speed
control programmable (2-step speed supports flexible frequency command),
wobble frequency control, fixed length control, count function, three history faults,
over excitation brake, over voltage stall protection, under voltage stall protection,
restart on power loss, skip frequency, frequency binding, four kinds of Accel/Decel
time, motor thermal protection, flexible fan control, process PID control, simple
PLC, multi-functional key programmable, droop control, autotuning,field-weakening
control, high-precision torque restraint, V/f separated control

Environment

Place of
operation

Indoors, no direct sunlight, free from dust, corrosive gases,
flammable gases, oil mist, water vapor, water drop or salt, etc.

Altitude

0~2000m. De-rate 1% for every 100m when the altitude is
above 1000 meters

Ambient
temperature

-10℃~50℃, The rated output current should be derated1% for
every 1℃ when the ambient is 40℃~50℃

Relative
humidity

0~95%, no condensation

Vibration

Less than 5.9m/s² (0.6g)

Storage
temperature

-20℃~+60℃

Others

IP grade

IP20

Cooling method

Forced air cooling,Natural cooling