Over 15 years experience of providing support of MEAN WELL Power Supplies
Overview
ISI-501-248B 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
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.THD is tested by rated power, linear load at 13V,26V,52V input voltage.
- 2.Efficiency is tested by 350W, linear load at 13V,26V,52V input voltage.
- 3.The tolerance of each voltage value by models is : 112/212→±0.5V ; 124/224→±1V ; 148/248→±2V.
- 4.Output derating capacity referenced by curve 1.
- 5.Input derating capacity referenced by curve 2.
- 6.All parameters not specified above are measured at rated load, 25℃ of ambient temperature and set to factory setting.
- 7.DC current is tested by 500W, linear load at 12V,24V,48V input voltage.
- 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.Type F for 60Hz only.
Technical drawings
Typical applications
- Home appliance
- Power tools
- Portable equipment
- Yacht
- Vehicle
Downloads
Catalogues1
FAQ
What is the main use case for the Mean Well ISI-501-248B inverter?
The ISI-501-248B is designed for converting DC battery power into true sine wave AC power in mobile, off-grid, and solar-supported systems. Its built-in 500W MPPT solar charger also makes it suitable for applications where battery charging and AC output are needed in one unit.
What are the key electrical specifications of the ISI-501-248B?
This model is rated for 500W continuous output and supports surge power up to 1000W. It accepts a 42 to 60VDC input range, delivers true sine wave AC output with THD below 3%, and reaches efficiency up to 88%.
How does the built-in solar charger benefit this model?
The ISI-501-248B includes an integrated 500W MPPT solar charger, so it can support battery charging in solar-based power systems without requiring a separate charger. The MPPT section is rated at 98% typical efficiency, which helps improve solar energy harvesting performance.
What battery types is the ISI-501-248B compatible with?
This inverter is specified for open and sealed lead-acid batteries. That makes it a fit for systems already built around those battery chemistries rather than models intended for unspecified battery types.
What protection features are included in the ISI-501-248B?
This model includes battery low alarm, battery low shutdown, over voltage, over temperature, output short, input polarity reverse, and overload protection. It also has a built-in cooling fan, built-in remote ON-OFF control, and a battery low relay contact for system monitoring.
Is the ISI-501-248B suitable for demanding operating environments?
It is built for operation from -20°C to +40°C at full load, with derating up to 60°C at 50% load. The unit also carries IEC62368-1 CB and EAC TP TC 004 approvals, which supports use in professional and industrial environments.
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