24V 4000W Power Frequency UPS Inverter

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  • Name :

    24V 4000W Power Frequency UPS Inverter

  • Color:

    Black

  • Size:

    630 x 280 x 200mm

  • Material:

    Iron shell

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    Description:

    Specification


    Model

    SK-4000WMF-24V

    SK-4000WMF-48V

    Rated Power

    4000W

    Peak Power

    8000W

    Nominal Battery Voltage

    24VDC

    48VDC

    Input

    DC Input Range

    21-30VDC

    42-60VDC

    AC Mains Input Range

    145-265VAC (220/230/240VAC)±4%    

    70-150VAC (110/120/130VAC)±4%

    AC Input Frequency

    50Hz: 45-65Hz / 60Hz: 55-65Hz±0.5Hz (50Hz/60Hz automatic recognition)

    Protection

    Low Battery Alarm

    ≤21VDC (24V) / ≤42VDC (48V) alarm

    Low Battery Protection

    ≤20VDC (24V) / ≤40VDC (48V) automatic shutdown

    High Battery Alarm

    ≥30VDC (24V) / ≥60VDC (48V) alarm

    High Battery Protection

    ≥34VDC (24V) / ≥68VDC (48V) automatic shutdown

    Over Load Protection

    110%<loading<150%, shutdown after 60s alarm, loading>150%, shutdown after 20s alarm

    High Temperature

    Built-in real time temperature sensor, ≥85 alarm, ≥90 automatic shutdown

    Short Circuit Protection

    Automatic shutdown

    Output

    Transfer Efficiency

    ≥90%

    Output Voltage

    (DC battery mode) 220/230/240VAC±2%

    (DC battery mode) 110/120/130VAC±2%

    Output Frequency

    (DC battery mode) 50/60Hz±1%

    Output Wave Form

    Pure sine wave

    Output Voltage

    (AC mains mode) stable 220/230/240VAC±10% output (built-in AVR stablizer)

    (AC mains mode) stable 110/120/130VAC±10%  output (built-in AVR stablizer)

    AVR Output Stablizer

    AC mains<170VAC±5% swtich to DC battery mode, AC mains>180VAC ±5% return to AC mains mode.

    AC mains>275VAC±5% swtich to DC battery mode, AC mains<255VAC ±5% return to AC mains mode.

    The above is for output 220V system reference, 230V/240V output just multiply by percentage

    AC mains<80VAC±5% swtich to DC battery mode,

    AC mains>90VAC ±5% return to AC mains mode.

    AC mains>135VAC±5% swtich to DC battery mode,

    AC mains<130VAC ±5% return to AC mains mode.

    The above is for output 110V system reference, 120V/130V output just multiply by percentage

    Output Frequency

    (AC mains mode) automatic tracing from AC input

    Other

    Transfer Time

    Bult- in AC bypass replay (≤5ms)

    Display

    LCD Display with function buttons

    Cooling System

    Intelligent cooling fan control system

    ≤42 slow fan, ≥45 fast fan

    AC Charger

    7 Battery Types Mode

    GelU.S.A./ Gel European / A.G.M.1 / A.G.M.2 / Sealed lead acid / Open lead acid / Calcium(open) /

    Deep sulphation cycle 15.5 for 4 hrs

    AC Charging Voltage

    27.2-28.4VDC(24V) / 54.4-56.8VDC(48V)

    AC Charging Current

    0-35A: 5A / 10A / 20A / 25A / 30A / 35A, 6 stages charging current adjustable

    3 Stages Charging

    Boost charging, direct charging, float charging

    AC Over Charge Protection

    Battery voltage 32VDC (24V) / 64VDC (48V), stop charging after 60s alarm

    Working Mode 
    (Optional)

    01

    AC mains priority

    Always use AC mains as priority input to provide AC output and automatically charge the battery, only

    stops charging when battery is fully charged, and only starts DC to AC converting untill AC mains is off

    02

    Energy saving

    Loading≤10% automatic shutdown, loading≥11%-100% automatic turn on

    03

    DC battery priority

    Always use DC battery as priority input to provide AC output, for 12V system, when battery≥13V, starts

    DC to AC converting; when battery≤10.5V during converting, switch to AC mains mode to provide AC

    output and automatically start charging the battery (for 24V/48V system, multiply by 2/4 accordingly)

    Comnunication

    RS-232/USB/SNMP(additional option)

    Environment

    Temperature

    -20~+75

    Humidity

    95%

    Appearance

    Product Size (mm)

    630 x 280 x 200mm

    Packing Size (mm)

    740 x 355 x 275mm

    Net Weight (Kg)

    30Kg

    Gross Weight (Kg)

    33.5Kg


    Features

    1.High-end chip,high-performance CPU,improve the working reliability.
    2.Overvoltage,low voltage,over temperature,overload,short circuit,reverse polarity protection.
    3.Sound alarm,with frequency-conversion cooling fan.                         
    4.Soft-start function,increase loading capacity.


    Application

    Can be widely used for solar energy,wind energy,ship,satcom equip communication,water pump,microwave oven,squeezer,air-condition,fridge,mower,soybean milk maker,etc.