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Sunbridge 4000 Off-Grid Inverter


Quick Overview


BrandMax Power
Product CodeSB-4000
Warranty18 Months
User GuideDownload PDF

1 in stock

SKU: SB-4K Categories: ,

Technical Specification

MODELSunbridge 4000
Rated Power3000VA / 3000W
Voltage230 VAC
Selectable Voltage Range170-280 VAC (For Personal Computers) ;
90-280 VAC (For Home Appliances)
Frequency Range50 Hz/60 Hz (Auto sensing)
AC Voltage Regulation (Batt. Mode)230 VAC ± 5%
Surge Power6000VA
Efficiency (Peak)90% ~ 93%
Transfer Time10 ms (For Personal Computers) ;
20 ms (For Home Appliances)
WaveformPure sine wave
Battery Voltage24 VDC
Floating Charge Voltage27 VDC
Overcharge Protection33 VDC
Maximum PV Array Open Circuit Voltage500 VDC
Maximum PV Array Power4000 W
MPP Range @ Operating Voltage120 ~ 450 VDC
Maxmum Solar Charge Current100A
Maximum AC Charge Current100A
Maximum Charge Current100A
Dimension, D X W X H (mm)100 x 300 x 440
Net Weight (kgs)9
Communication InterfaceUSB/RS232
Humidity5% to 95% Relative Humidity (Non-condensing)
Operating Temperature-10°C to 50°C
Storage Temperature-15℃ to 50℃


  • Pure sine wave solar inverter
  • Output power factor 1
  • Selectable high power charging current
  • Wide DC input range
  • Selectable input voltage range for home appliances
    and personal computers
  • Configurable AC/Solar input priority via LCD setting
  • Compatible with mains voltage or generator power
  • Auto restart while AC is recovering
  • Overload and short circuit protection
  • Smart battery charger design for optimized
    battery performance
  • Cold start function


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