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Mean Well ISI-501-248A True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger

true sine wavehigh surge power up to 1000WUSA Socket
SKU ISI-501-248A
$233.87 USD
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Overview

ISI-501-248A is the model of this series: rated power 500W, typical efficiency 88%.

ISI-501 series integrates a DC/AC True Sine Wave Inverter and a MPPT charger. This series is a high performance true sine wave DC/AC inverter which converts the DC electricity from a system consisting of batteries and solar panels. ISI-501 is not only a high frequency designed inverter but also fully digitally controlled by an advanced microprocessor. With true sine wave output, ISI-501 series can provide 500W continuously, 550W for 60 seconds, and 1000W for 30 AC-cycles. This series incorporates a MPPT solar charger, including the constant current and constant voltage charging characteristics.

Features

  • True sine wave output (THD<3%)
  • High surge power up to 1000W
  • High efficiency up to 88%
  • High frequency design
  • Thermosstatically controlled cooling fan
  • Protections: Bat. low alarm / Bat. low shutdown / Over voltage / Over temp. / Output short / Input polarity reverse / Overload
  • Built-in 500W MPPT solar charger, MPPT efficiency:98%(Typ.)
  • Built-in remote ON-OFF control
  • Built-in battery low relay contact
  • LED indicator for operation status and battery capacity
  • 3 years warranty

Specifications

ISI-501-248ASpecifications from the official datasheet (2024-09-04 edition)

INVERTER SECTION

RATED POWER
500W
MAXIMUM OUTPUT POWER (Typ.)
550W for 60 sec. / surge power 1000W for 30 cycles (112, 212 models : 495W for 60 sec. / surge power 900W for 30 cycles)
AC VOLTAGE
Factory setting set at 230VAC 200 / 220 / 230 / 240VAC selectable by setting button S.W
FREQUENCYNote.9
Factory setting set at 230VAC 50±0.1Hz 50/60Hz selectable by setting button S.W
WAVEFORMNote.1
True sine wave (THD<3%)
AC REGULATION (Typ.)
±3%
FRONT PANEL INDICATOR
Fault and operation status, Charger status, Battery capacity
BAT. VOLTAGE
48V
VOLTAGE RANGENote.3,5
42 ~ 60VDC
DC CURRENT (Typ.)Note.7
15A
NO LOAD CURRENT DRAW (Typ.)
0.32A
OFF MODE CURRENT DRAW (Typ.)
≦1mA
EFFICIENCY (Typ.)Note.2
88%
OVER TEMPERATURE
Shut down o/p voltage, re-power on to recover
OUTPUT SHORT
Shut down o/p voltage, re-power on to recover
OVER LOAD (Typ.)
110% load for 60 sec. Protection type : Shut down o/p voltage, re-power on to recover

BATTERY SECTION

CHARGER CURRENT (Typ.)
8.5A
BATTERY TYPE
Open & sealed Lead Acid
FUSE
20A*2
BAT. LOW ALARMNote.3
45V
BAT. LOW SHUTDOWNNote.3
42V
REVERSE POLARITY
By internal fuse open

MPPT / SOLAR SECTION

MPPT CHARGER EFFICIENCY (Typ.)
98%
OPEN CIRCUIT VOLTAGE RANGE
90 ~ 160V
MPPT RANGE
70 ~ 160V
SOLAR INPUT CURRENT (Typ.)
4.5A
SOLAR INPUT POWER (Typ.)
500W

GENERAL SECTION

WORKING TEMP.Note.4
-20 ~ +40℃ @ 100% load ; 60℃ @ 50% load
WORKING HUMIDITY
20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-30 ~ +70℃ / -22 ~ +158℉, 10 ~ 95% RH non-condensing
VIBRATION
10 ~ 500Hz, 3G 10min./1cycle, 60min. each along X, Y, Z axes
SAFETY STANDARDS
IEC62368-1 CB, EAC TP TC 004 approved; Meet BS EN/EN62368-1
WITHSTAND VOLTAGE
Bat I/P - AC O/P:3.0KVAC AC O/P - FG:1.5KVAC
ISOLATION RESISTANCE
Bat I/P - AC O/P, Bat I/P - FG, AC O/P - FG: 100M ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION
Compliance to BS EN/EN55032 class B, EAC TP TC 020
EMC IMMUNITY
Compliance to BS EN/EN61000-4-2,3,8, BS EN/EN55035, EAC TP TC 020
MTBF
565.4K hrs min. Telcordia SR-332 (Bellcore) ; 57.8K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
205*158*67mm (L*W*H)
PACKING
2.35Kg; 6pcs/15.1Kg/1.55CUFT
Test conditions and notes9
  1. 1.THD is tested by rated power, linear load at 13V,26V,52V input voltage.
  2. 2.Efficiency is tested by 350W, linear load at 13V,26V,52V input voltage.
  3. 3.The tolerance of each voltage value by models is : 112/212→±0.5V ; 124/224→±1V ; 148/248→±2V.
  4. 4.Output derating capacity referenced by curve 1.
  5. 5.Input derating capacity referenced by curve 2.
  6. 6.All parameters not specified above are measured at rated load, 25℃ of ambient temperature and set to factory setting.
  7. 7.DC current is tested by 500W, linear load at 12V,24V,48V input voltage.
  8. 8.The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).
  9. 9.Type F for 60Hz only.

Technical drawings

ISI-501-248A Block Diagram
Block Diagram
ISI-501-248A Charging Curve
Charging Curve
ISI-501-248A Mechanical Specification
Mechanical Specification

Typical applications

  • Home appliance
  • Power tools
  • Portable equipment
  • Yacht
  • Vehicle

Downloads

FAQ

What applications is the Mean Well ISI-501-248A best suited for?

This model is suited for mobile, off-grid, and backup power applications that need a 500W true sine wave inverter with an integrated MPPT solar charger. It is a practical fit for sensitive AC loads where cleaner output and battery-based operation are important.

What makes this inverter different from a basic DC-AC inverter?

The ISI-501-248A combines a true sine wave inverter with a built-in 500W MPPT solar charger, so it offers more than simple DC-to-AC conversion. It also includes remote ON-OFF control, battery low relay contact, LED status indication, and a broad set of protection functions.

Does this model support surge loads above its rated power?

Yes. The unit is rated for 500W continuous output and supports surge power up to 1000W. That helps it handle short startup demands better than a unit designed only for steady-state loading.

What kind of output waveform does the ISI-501-248A provide?

This model provides true sine wave output with total harmonic distortion below 3%. That makes it a better choice for equipment that is more sensitive to output waveform quality than it would be with a modified sine wave inverter.

What battery types is this inverter designed to work with?

The listed battery compatibility for this model is open and sealed lead-acid batteries. Buyers using other battery chemistries should verify suitability before purchase, because only lead-acid compatibility is stated in the provided specifications.

What protections are built into the ISI-501-248A?

This inverter includes battery low alarm, battery low shutdown, over voltage, over temperature, output short, input polarity reverse, and overload protection. The provided specifications also note shutdown-and-repower recovery behavior for overload, over-temperature, and output short conditions.

Can this inverter be used in demanding temperature conditions?

The specified operating temperature range is -20°C to +40°C at 100% load, with up to 60°C at 50% load. That makes it suitable for a wide range of industrial and field environments when used within its stated load and temperature limits.

What are the main physical and efficiency specs of this model?

The ISI-501-248A is listed at up to 88% efficiency and weighs 2.35 kg. Its dimensions are 205 x 158 x 67 mm, which makes it relatively compact for a 500W inverter with an integrated MPPT solar charger.

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Other ISI-501 Models

24 other models
ModelPowerVoltageWaveformFrequency
Mean Well ISI-501-248U True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 500W 230V Modifined Sine Wave 50Hz View
Mean Well ISI-501-248F True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 500W 230V Modifined Sine Wave 50Hz View
Mean Well ISI-501-248D True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 500W 230V Modifined Sine Wave 50Hz View
Mean Well ISI-501-248C True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 500W 230V Modifined Sine Wave 50Hz View
Mean Well ISI-501-248B True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 500W 230V Modifined Sine Wave 50Hz View
Mean Well ISI-501-224U True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 450W 230V Modifined Sine Wave 50Hz View
Mean Well ISI-501-224F True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 450W 230V Modifined Sine Wave 50Hz View
Mean Well ISI-501-224D True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 450W 230V Modifined Sine Wave 50Hz View
Mean Well ISI-501-224C True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 450W 230V Modifined Sine Wave 50Hz View
Mean Well ISI-501-224B True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 450W 230V Modifined Sine Wave 50Hz View
Mean Well ISI-501-224A True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 450W 230V Modifined Sine Wave 50Hz View
Mean Well ISI-501-212U True Sine Wave DC-AC Inverter 450W 110V out 12V in with MPPT Solar Charger 500W 230V Modifined Sine Wave 50Hz View
Mean Well ISI-501-212F True Sine Wave DC-AC Inverter 450W 110V out 12V in with MPPT Solar Charger 500W 230V Modifined Sine Wave 50Hz View
Mean Well ISI-501-212D True Sine Wave DC-AC Inverter 450W 110V out 12V in with MPPT Solar Charger 500W 230V Modifined Sine Wave 50Hz View
Mean Well ISI-501-212C True Sine Wave DC-AC Inverter 450W 110V out 12V in with MPPT Solar Charger 500W 230V Modifined Sine Wave 50Hz View
Mean Well ISI-501-212B True Sine Wave DC-AC Inverter 450W 110V out 12V in with MPPT Solar Charger 500W 230V Modifined Sine Wave 50Hz View
Mean Well ISI-501-212A True Sine Wave DC-AC Inverter 450W 110V out 12V in with MPPT Solar Charger 500W 230V Modifined Sine Wave 50Hz View
Mean Well ISI-501-148U True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 450W 110V Modifined Sine Wave 50Hz View
Mean Well ISI-501-148F True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 450W 110V Modifined Sine Wave 50Hz View
Mean Well ISI-501-148D True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 450W 110V Modifined Sine Wave 50Hz View
Mean Well ISI-501-148C True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 450W 110V Modifined Sine Wave 50Hz View
Mean Well ISI-501-148B True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 450W 110V Modifined Sine Wave 50Hz View
Mean Well ISI-501-148A True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 450W 110V Modifined Sine Wave 50Hz View
Mean Well ISI-501-124U True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger 500W 110V Modifined Sine Wave 50Hz View
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Mean Well ISI-501-248A True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger
Mean Well

Mean Well ISI-501-248A True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger

$233.87 USD

ISI-501-248A is the model of this series: rated power 500W, typical efficiency 88%.

ISI-501 series integrates a DC/AC True Sine Wave Inverter and a MPPT charger. This series is a high performance true sine wave DC/AC inverter which converts the DC electricity from a system consisting of batteries and solar panels. ISI-501 is not only a high frequency designed inverter but also fully digitally controlled by an advanced microprocessor. With true sine wave output, ISI-501 series can provide 500W continuously, 550W for 60 seconds, and 1000W for 30 AC-cycles. This series incorporates a MPPT solar charger, including the constant current and constant voltage charging characteristics.

Features

  • True sine wave output (THD<3%)
  • High surge power up to 1000W
  • High efficiency up to 88%
  • High frequency design
  • Thermosstatically controlled cooling fan
  • Protections: Bat. low alarm / Bat. low shutdown / Over voltage / Over temp. / Output short / Input polarity reverse / Overload
  • Built-in 500W MPPT solar charger, MPPT efficiency:98%(Typ.)
  • Built-in remote ON-OFF control
  • Built-in battery low relay contact
  • LED indicator for operation status and battery capacity
  • 3 years warranty

Typical applications

  • Home appliance
  • Power tools
  • Portable equipment
  • Yacht
  • Vehicle
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