SRM Series 1kW - 7kW Low Frequency Off Grid Solar Inverters

Item No.: SRM-1K ~ SRM-7K
SRM series is a multi-function inverter ,combining functions of inverter and mppt solar charger controller, solar charger and battery charger to offer uninterruptible power support with portable size.
Description Specification

1, Pure sine wave output          
2, Built-in MPPT solar charge controller 

3, Selectable charging current based on applications

4, Configurable AC/Solar input priority via LCD setting

5, Compatible to mains voltage or generator power

6, Auto restart while AC is recovering

7, Smart battery charger design to optimize battery performance

8, Communication interface: RS232/USB

9, Cold start function

10, Stable performance, safe and reliable, long service life


Model SRW-M Series
Capacity(KW) 1kW 2kW 3kW 4kW 5kW 6kW 7kW
Inverter DC Voltage(VDC) 12V/24V 24V/48V 48V/96V
Low Voltage Protection Value(VDC) 10.5V/21V 21V/42V 42V/84V
AC Input 165-275VAC
Inverter Output 220V/110V±2%
AC Max. Charge Current 10A 25A-30A 50A
Working Mode AC priority / solar priority (Optional)
Switching Time <4ms
Overload Capacity 110% 30S, 120% 2s
Conversion Efficiency <4ms
Output Waveform Sine Wave
Cooling Way Forced Ventilation
Display LCD+LED
THD <3%
Frequency Follow the AC mains
Solar Charge Type PWM / MPPT
Charge Current(A) 20A/30A 50A/60A 80A/100A
Rated Charge Voltage(VDC) 12V/24V 24V/48V 48V/96V
Max. Charge Voltage(VDC) 14.8V/29.6V 29.6VDC/59.2VDC 59.2VDC/118.4VDC
Equalization Voltage(VDC) 14.4V/28.8V 28.8/57.6V 57.6/115.2V
Floating Charge Voltage(VDC) 13.8V/27.6V 27.6V/55.2V 55.2V/110.4V
Restore Charging Voltage(VDC) 13.3V/26.6V 26.6V/53.2V 53.2V/106.4V
Battery Over-voltage Protection/ Recovery Voltage (12VDC) 16.5V/15V
(24VDC) 33V/30V
(24VDC) 33V/30V
(48VDC) 66V/60V
(48VDC) 66V/60V
Protection Reverse Connection, Short circuit and overcharge, Counter Charging etc.
Display LED
DC Output (Optional) Output Voltage & Current DC12V(5A)/ DC5V(2A)
Output Interface USB
Fan start Temperature >45℃
Operation environment temperature 0-40℃
Working temperature -25-+55℃
Humidity 0-90% non-condensing
Net weight(kgs) 21 29 36 42 47 52 57
Product Size: D*W*H(mm) 550*225*520mm 550*300*520 550*430*850