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Mean Well ISI-501-148A True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger
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Mean Well ISI-501-148A True Sine Wave DC-AC Inverter 500W 110V out ...
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 Rating500 Watt
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Output Voltage110 Volt
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Input Voltage42V~60V
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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-501-148A?
This model is designed for DC-to-AC power conversion in systems that need 110V AC output from a DC battery source. It is a good fit for mobile, off-grid, industrial, and backup power applications that also benefit from an integrated MPPT solar charger. Its true sine wave output makes it suitable for equipment that needs cleaner AC power.
What are the key electrical specifications of the ISI-501-148A?
The ISI-501-148A is rated for 500W continuous output and provides 110V AC output. It supports surge power up to 1000W and reaches up to 88% efficiency. The listed DC input voltage range is 42 to 60VDC.
Does this inverter produce true sine wave output?
Yes, this model provides true sine wave AC output with total harmonic distortion below 3%. That makes it a better choice for sensitive electronics and loads that perform best with cleaner waveform quality. It is differentiated from modified sine wave units by its lower distortion output.
Does the ISI-501-148A include a solar charger?
Yes, it has a built-in 500W MPPT solar charger. Mean Well lists typical MPPT efficiency at 98%, which helps improve solar charging performance compared with non-MPPT charging approaches. This integrated design can reduce the need for a separate charger in compatible systems.
What protection features are included in this model?
The ISI-501-148A includes battery low alarm, battery low shutdown, over voltage, over temperature, output short, input polarity reverse, and overload protection. For overload, it can handle 110% load for 60 seconds before shutdown protection activates. Recovery for several fault conditions is specified by re-powering the unit.
What battery types is the ISI-501-148A designed to work with?
This model is specified for open and sealed lead acid batteries. That makes it appropriate for systems built around those battery chemistries rather than requiring a separate battery profile not listed here. Buyers using other battery types should verify suitability before purchase.
Can this inverter operate in demanding temperature conditions?
It is rated for operation from -20°C to +40°C at 100% load. The specification also states up to 60°C at 50% load, which can be relevant in warmer installations with reduced output demand. A thermostatically controlled cooling fan is built in to support thermal management.
What certifications and warranty come with the ISI-501-148A?
The unit is listed as approved to IEC62368-1 CB and EAC TP TC 004, and it meets BS EN/EN62368-1. These are relevant safety standards for professional and industrial buyers. Mean Well also specifies a 3-year warranty for this model.
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