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BV approved 3kw single phase RS232/485 solar PV inverter

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Port: Ningbo / Shanghai
Minimum Order Quantity: 1 Piece/Pieces
Supply Ability: 100 Piece/Pieces per Month
Payment Terms: L/C,D/P,T/T,Western Union
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[ Zhejiang, China (Mainland) ]
Business type: Manufacturer, Trading Company
  • Onsite operations checked and legal status confirmed

Quick Details

Place of Origin: Zhejiang China (Mainland) Brand Name: SUNFINE Model Number: SM-3KW
Accessories: controller color: blue,red,orange kind: transformerless
efficiency: 97.0% power factor: 0.99 wide MPPT input: 180-360v DC
component: IGBT/IPM type: combine with controller protection class: IP65
protection: soft starting and a lot output: pure sine wave Application: home,small system

Packaging & Delivery

Packaging Detail: honeycomb carton
Delivery Detail: 25 days


CE certification
Various battery types matched
Battery manage option
Support Grid backup
Support generator backup too

SUNFINE SMB series is all-in-one unit in off grid solar power system which with battery bank. It is system integrating MPPT controller, Inverter, and Battery DC-DC charger function, also has battery manage function for option. SMB supports Grid or AC generator backup. The charger mode is 3 steps: CC, CV and FC automatically.


The excess power from PV panels will charger to battery, and when solar power is lacking, battery will make up the rest or serve as complete power source. Switching time between PV/Grid/Battery for Standard configuration unit is less than 5ms. Soft or variable frequency starting way options is for different type loads.


Our standard sequence of power supply of SMB is solar, grid and battery

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Zhejiang Sunfine Solar Technology Co., Ltd. focuses on green energy-PV power inverters now. We offer series of PV inverters of grid ties and off grid types and other electric power support equipment are customized.

Our main products are grid tie inverters of single phase 1kw-4.8kw (SM series), grid tie inverters of three-phase 3kw-10kw (SM3 series), off grid single phase inverters 1kw-4.8kw (SMX series), off grid single phase inverters with battery charging function 2kw-4.8kw (SMB series) ... View detail

Basic Information

Product/Service (We Sell): Solar inverter,PV inverter,Solar generation system,Solar PV inverter,inverter  
Brands: sunfine  
Number of Employees: 51 - 100 People  

Trade & Market

Main Markets: South Asia
Northern Europe
Western Europe
Mid East
Southeast Asia
Eastern Europe
South America
Total Annual Sales Volume: US$2.5 Million - US$5 Million  
Export Percentage: 81% - 90%  

Factory Information

Factory Size (Sq.meters): 3,000-5,000 square meters  
Factory Location: Weishiqi Road, Yueqing Economic Development Zone, Yueqing City, Zhejiang Province. China  
Number of Production Lines: 2  
Number of R&D Staff: 5 - 10 People  
Number of QC Staff: 5 - 10 People  
Management Certification: CE OF SMB-1S  
Contract Manufacturing: OEM Service Offered   Design Service Offered  

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