3KW 48V Solar off-grid inverter American Standard

 

 

product features

 

● Adopt fully digital voltage and current double closed-loop control, advanced SPWM technology, output pure sine wave.

● it has two output modes of mains power bypass and inverter output, and has the function of uninterrupted power supply.

● 4 charging modes to choose from: solar only, mains priority, solar priority, hybrid charging.

● Advanced MPPT technology with an efficiency of up to 99.9%.

● LCD lcd screen design,3 LED indicators, dynamic display system data and operating status.

● ON/OFF ship type switch controls AC output.

● with power saving mode function, reduce no-load loss.

● intelligent adjustable speed fan is adopted to efficiently dissipate heat and extend system life.

● comes with lithium battery activation function, support lead-acid battery, lithium battery access.

● has a number of protection functions,360 ° all-round protection.

● with complete short circuit protection, over-undervoltage protection, overload protection, back-irrigation protection, etc.

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technical parameter

model	ELM4825U60-145	ELM4830U60-145	ELM4835U80-145
mains mode
rated input voltage	110/120Vac
input voltage range	(90Vac~140Vac) ±2%
frequency	50Hz/ 60Hz (Auto Detect)
frequency range	47±0.3Hz ~ 55±0.3Hz (50Hz)/57±0.3Hz ~ 65±0.3Hz (60Hz);
overload/short circuit protection	breakers
efficiency	>95%
transition time (bypass and inverter)	10ms (typical)
ac back-irrigation protection	yes
maximum side-by-side current	40A
inverter mode
output voltage waveform	pure sine wave
RATED OUTPUT POWER (VA)	2500	3000	3500
RATED OUTPUT POWER (W) POWER FACTOR	2500	3000	3500
		1
Rated output voltage (Vac)	120Vac
output voltage error	±5%
Output Frequency Range (Hz)	50Hz ± 0.3Hz/60Hz ± 0.3Hz
efficiency	>90%
overload protection	(102% < load <110%) ± 10%: error is reported and the output is turned off after 5 minutes;
	(110% < load <125%) ±10%: error is reported and output is turned off after 10 seconds;
	load > 125% ± 10%: error is reported and the output is turned off after 5 seconds;
peak power	4000VA	4500VA	5000VA
output short-circuit protection with on-load motor capability	1HP	2HP	2HP
		breakers
bypass circuit breaker specifications	40A
rated battery input voltage	48V (MIN. START-UP VOLTAGE44V)
battery voltage range	40.0Vdc~60Vdc ± 0.6Vdc (Undervoltage Alarm / Shutdown Voltage / Overvoltage Alarm / Overvoltage Recovery… LCD screen can be set)
power-saving mode	LOAD ≤50W
mains charging
battery type	lead-acid or lithium batteries
maximum charge current	40A
charge current error	± 5Adc
charging voltage range	40 –60Vdc
short circuit protection	circuit breakers and fuses
circuit breaker specifications	40A
overcharge protection	alert and turn off charging after 1 minute
solar charging
MAXIMUM PV OPEN CIRCUIT VOLTAGE	145Vdc
PV OPERATING VOLTAGE RANGE	60-145Vdc
MPPT VOLTAGE RANGE	60-115Vdc
battery voltage range	40-60Vdc
maximum output power	3200W		4200W
solar charging current range (programmable)	0-60A		0-80A
charging short circuit protection	fuse the fuse
wiring protection	reverse polarity protection
certified specifications
specification certification	CE(IEC/EN62109-1、-2)、ROHS2.0
EMC CERTIFICATION LEVEL	EN61000
operating temperature range	-15°C to 55°C
storage temperature range	-25°C ~ 60°C
humidity range	5% to 95% (triple paint protection)
noises	≤60dB
cooling	forced air cooling, wind speed adjustable
communication interface	USB/RS485 (Bluetooth/WiFi/GPRS)/dry node control
SIZE (L*W*D)	430mm*338mm*126mm
WEIGHT (KG)	10