PST0.3K-Pro-12 300w dc to ac off grid solar inverter for home

MPPT Off-grid Inverter 300W | 12Vdc | 30A MPPT Solar Charge Controller | PV Voltage Range: 15VDC ~150VDC

SKU: PST0.3K-Pro-12 Category:

PST0.3K-Pro-12 300w dc to ac off grid solar inverter for home is perfect for off-grid living, backup power and self-consumption applications, it is a pure sine wave, hybrid inverter system with switchable 50/60 Hz frequencies.

Prostar PST Pro series inverter is perfect for off-grid, backup power and self-consumption applications, it is a pure sine wave, hybrid inverter system with switchable 50/60 Hz frequencies, providing power for every need. For expanded off-grid capacity, Prostar PST Pro series off grid solar inverter is integrated with fuel-based generators as required to support loads larger than the generator’s output. It’s also self consumption ready, able to prioritize solar consumption over the grid, while maintaining zero grid export. Prostar PST Pro series inverter is combining functions of off-grid inverter, MPPT solar charger and isolated transformer, AC transfer from an AC source to AC loads, and a battery charger from an AC source to offer an uninterruptible power supply with a compact size. Its comprehensive LCD offers user-configurable and easily-accessible button configuration as well as a readout of relevant data.

Off grid solar inverter

Off grid Solar Inverter Features & Benefits

  1. Pure sine wave inverter
  2. Built-in MPPT solar charge controller
  3. Built-in isolated transformer
  4. Automatic detection of output frequency 50Hz or 60Hz
  5. Configurable AC input voltage range limit for home appliances or personal computers
  6. Configurable battery charging current based on applications via LCD setting
  7. Configurable AC / solar charger priority via LCD / button setting
  8. Compatible with AC voltage from the grid or generator power
  9. Uninterruptible power supply in case of grid black-out
  10. Auto access MPP tracking states, be most probable to use PV energy in priority
  11. Overload, over-temperature and short-circuit protection
  12. Smart multi-stage battery charger with optional equalization for optimized battery performance
  13. Staggering energy storage and power generation
  14. Cold start function (starting with only battery power and no AC source or PV modules attached)
  15. Intelligent AC and PV complementary power supply function to extend the battery life.

Schematic Diagram

Off grid solar inverter connection

Are you using a generator?

A fuel generator can be part of a Prostar off grid/hybrid solar power system. It can provide additional power, energy and a backup. The sizing tool currently allows for calculating power supplies from solar.

LCD Display

off grid solar inverter LCD display

off grid solar inverter lcd display icons

Select Working Modes

Off grid solar inverter working modes

off grid solar inverter change charging voltage and current

Protect function

Off grid solar inverter protection

  Product Details

Off grid solar inverter information

inverter for home

(Front View)

inverter for home

(Rear View)

inverter for home

(Inside View – Right)

inverter for home

(Inside View – Back)

inverter for home

(Top View)


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    Model PST0.3K-Pro-12
    Rated Power 300W
    Voltage Range 100V/110V/120V/127AC or 208V/220V/230V/240VAC(+25%,-36%)
    Frequency Range 50/60 Hz±2.5Hz  (Auto sensing)
    AC Voltage Regulation 100V/110V/120V/127AC±0.5% or 208V/220V/230V/240VAC±0.5%(AC Mode±10%)
    Frequency 50HZ/60HZ±0.5HZ Auto(AC Mode±2.5HZ)
    Power Factor 1.0
    Surge Power 900W
    Battery Efficiency 81%
    AC Efficiency 93%
    Transfer Time 8ms default, 4ms optional
    Waveform Pure Sinewave
    Battery Voltage 12VDC
    Floating Charge Voltage 13.6VDC
    Overcharge Protection 15.0VDC
    Max. PV Array Power 390W
    MPPT Range @ Operating Voltage 15VDC~ 130VDC
    Max. PV Array Open Circuit Voltage 150VDC
    Max. Solar Charge Current 30A default, 10A/20A(optional)
    AC Charge Current 1A-20A Adjustable
    Maximum Charge Current 50A
    Maximum Efficiency 98%
    Battery Reversal Optional
    Output Short Circuit AC mode:Jump fuse, Inverter mode: Shut down
    Overload Full load 105%, Inverter alarm. Overload 130%, Inverter shut down output in 10s. Once the load back to normal, Inverter recover output. Once the inverter is off, it must be turned on manually.
    High AC Voltage Turn off AC,turn to Inverter mode automatically
    Low DC Voltage Inverter shut down automatically,Once the AC recover, Inverter turn on and charge automatically
    Over Temperature Inverter will alarm and turn off but it will recover to normal status after cooling down
    Isolation Type Built-in Isolated Transformer
    Protection Grade IP20
    Humidity 15~93%(No condensation)
    Temperature -10℃ ~ 50℃
    Altitude ≤3000m
    Communication USB, RS232/RS485/SNMP (Optional)
    Display LCD + LED
    Dimension, DxWxH (mm) 381*142*210
    Net Weight (Kgs/PC) 8.2
    Product specifications are subject to change without further notice.
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