Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well ISI-501-212A True Sine Wave DC-AC Inverter 450W 110V out 12V in with MPPT Solar Charger
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The ISI-501 is a 500W Mean Well power converter (input range: 35~50V).
Key Features
- ✓ Input voltage range: 35~50V
- ✓ Protections: Over temperature / Reverse polarity
- ✓ Remote ON/OFF control
- ✓ Safety approvals: IEC62368-1 CB, EAC TP TC 004
- ✓ 3 years warranty
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BrandMean Well
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SeriesISI Series
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Power Rating450 Watt
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Output Voltage230 Volt
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Input Voltage10.5V~15V
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No of Output1
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Standards MetCB,CE,cUL,E13,FCC
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Operation ModeConstant Voltage
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Operating Temperature-20°C~40°C
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Warranty3 Year
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Length8.07 in
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Width6.22 in
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Height2.64 in
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Weight5.18 lb
::specification::
Frequently Asked Questions
What is the main use case for the Mean Well ISI-501-212A?
The ISI-501-212A is designed for converting 12VDC battery power into true sine wave AC power for sensitive loads. It is a good fit for mobile, off-grid, backup, and solar-supported power applications where output quality and built-in battery charging features matter.
What power level does this inverter support?
This model is rated for 450W continuous output power. It also supports high surge power up to 1000W, which helps with equipment that has a higher startup demand than its normal running load.
Does this model produce true sine wave output?
Yes. The ISI-501-212A provides true sine wave output with total harmonic distortion below 3%, which is important for many electronics and other sensitive AC-powered devices. That makes it a stronger choice than modified sine wave units when power quality is a priority.
Does the ISI-501-212A include a solar charger?
Yes. It has a built-in 500W MPPT solar charger, with typical MPPT efficiency listed at 98%. That makes this model more than a standalone inverter, since it combines DC-AC inversion with solar charging capability in one unit.
What battery types is this inverter compatible with?
The product data lists compatibility with open and sealed lead-acid batteries. Its DC input range is 10.5 to 15VDC, so it is intended for 12V battery-based systems within that operating window.
What protection features are built into this inverter?
The ISI-501-212A 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 output and requires re-powering to recover.
Can this inverter operate in demanding environments?
It is rated for operation from -20°C to +40°C at 100% load, and up to 60°C at 50% load. The unit also uses a thermostatically controlled cooling fan, which helps manage temperature during operation.
What other key specifications should buyers know?
This model has efficiency up to 88%, typical no-load current draw of 1.25A, and off-mode current draw of 1mA or less. It also includes built-in remote ON-OFF control, a battery low relay contact, LED status and battery capacity indication, and a 3-year warranty.
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