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Mean Well ISI-501-124B True Sine Wave DC-AC Inverter 500W 110V out ...
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ISI-501-124B is the model of this series: rated power 500W, typical efficiency 87%.
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 110VAC 100 / 110 / 115 / 120VAC selectable by setting button S.W
- FREQUENCYNote.9
- Factory setting set at 110VAC 60±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
- 24V
- VOLTAGE RANGENote.3,5
- 21 ~ 30VDC
- DC CURRENT (Typ.)Note.7
- 30A
- NO LOAD CURRENT DRAW (Typ.)
- 0.63A
- OFF MODE CURRENT DRAW (Typ.)
- ≦1mA
- EFFICIENCY (Typ.)Note.2
- 87%
- 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.)
- 17A
- BATTERY TYPE
- Open & sealed Lead Acid
- FUSE
- 40A*1
- BAT. LOW ALARMNote.3
- 22.5V
- BAT. LOW SHUTDOWNNote.3
- 21V
- REVERSE POLARITY
- By internal fuse open
MPPT / SOLAR SECTION
- MPPT CHARGER EFFICIENCY (Typ.)
- 98%
- OPEN CIRCUIT VOLTAGE RANGE
- 45 ~ 90V
- MPPT RANGE
- 35 ~ 90V
- SOLAR INPUT CURRENT (Typ.)
- 7A
- 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 FCC part 15 class B, EAC TP TC 020
- EMC IMMUNITY
- Compliance to 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 Mean Well ISI-501-124B designed for?
The ISI-501-124B is a 500W true sine wave DC-AC inverter for applications that need 110V AC output from a DC battery-based power system. This model also includes a built-in 500W MPPT solar charger, which makes it suitable for mobile, off-grid, backup, and solar-supported power systems where clean AC output is important.
What kind of AC output does this inverter provide?
This model provides a true sine wave 110V AC output with total harmonic distortion below 3%. That makes it a better fit for loads that benefit from cleaner AC power than modified sine wave designs can provide.
Does the ISI-501-124B include a solar charger?
Yes. The ISI-501-124B has a built-in 500W MPPT solar charger, and the listed typical MPPT efficiency is 98%. That combination can reduce the need for a separate charger in solar-supported DC power systems.
What DC input range does this model require?
The specified input voltage range for the ISI-501-124B is 21 to 30VDC. Buyers should match the inverter to a DC system that operates within that range rather than relying only on shorthand naming conventions.
Can this inverter handle startup surges above its continuous rating?
Yes. The continuous power rating is 500W, and the product listing states surge power up to 1000W. It also has overload protection, with 110% load support for 60 seconds before shutdown protection is triggered.
What protection features are built into the ISI-501-124B?
This model includes battery low alarm, battery low shutdown, over voltage, over temperature, output short, input polarity reverse, and overload protection. For overload, over-temperature, and output short conditions, the unit shuts down the output and requires re-powering to recover.
Is the ISI-501-124B suitable for demanding temperature conditions?
The listed operating range is -20°C to +40°C at 100% load, with operation up to 60°C at 50% load. That makes it suitable for a range of industrial and mobile environments, provided the load level stays within the published limits.
What battery types is this inverter compatible with?
The specification lists open and sealed lead acid batteries as supported battery types. If your system uses a different battery chemistry, this product page does not confirm compatibility, so selection should stay within the stated battery support.
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