AC Coupler

Features
Specifications
Selection table
Classic Case
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Features of AC Coupler

Flexibility

Compatible lithium battery and lead-acid battery.
Wireless communication, flexible control and monitoring system through APP.

Reliability

No fan design, IP65 Protection Level.
Battery and AC electrical isolation, safe and reliable.

Advanced

Full power charging and discharging current of battery can reach 100A.
Off-grid, grid-connected dual output.
Out-of-network THDU is better than 3%, with inductive load.

AC Coupler Topology

Application Scenario

Selection Table of AC Coupler

Model	R3K6-BP	R5K-BP
Battery input data
Battery type	li-ion or lead-acid
Nominal battery voltage	48V
Max. charging voltage	≤60V(configuarable)
Max. charging current	75A
Max. discharging current	75A
Battery capacity	50Ah~2000Ah
Charging strategy for li-ion battery	Self-adaption to BMS
AC output data (on-grid)
Nominal power output	3680W	5000W
Max. apparent power output	3680VA	5000VA
Max. apparent power from utility grid	7360VA	9200VA
Nominal output voltage	230V
Nominal output frequency	50Hz/60Hz
Max. AC current output	16A	22.8A
Max. AC current from utility grid	32A	40A
Output power factor	~1(adjustable from 0.8 leading to 0.8 lagging)
Output THDI (@nominal output)	<3%
AC output data (back-on)
Max. output apparent power	3680VA	5000VA
Peak output apparent power	4416VA,10秒	5500VA,10秒
Automatic switch time	<10ms
Nominal output voltage
Nominal output frequency	50/60Hz(±0.2%)
Max. output current	16A	22.8A
Output THDV (@linear load)	<3%
Efficiency
Max. efficiency	99.5%
Protection
Anti-islanding protection	integrated
Output over current protection
Output short protection	integrated
Output over voltage protection	integrated
General data
Operating temperature range	-25~60℃
Relative humidity	0~95%
Operating altitude	≤4000m
Cooling	natural convection
Noise	<25dB
User interface	LED & APP
Communication with BMS	RS485; CAN
Communication with meter	RS485
Communication with portal	Wi-Fi
Weight	18.5kg
Size (WXHXD)	550/200/515mm
Mounting
Protection degree	IP65
Standby self consumption	<15W
Topology	High frequency isolation
Certifications & standards
Grid regulation	AS4777.2,G83/G100,CEI0-21
Safety	IEC62477,IEC62040
EMC	EN61000-6-1,EN61000-6-2,EN61000-6-3,EN61000-6-4

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