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Mean Well ISI-501-148A True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger

Name: Mean Well ISI-501-148A True Sine Wave DC-AC Inverter 500W 110V out 12V in with MPPT Solar Charger
Brand: Mean Well
SKU: ISI-501-148A
Price: 233.87 USD
Availability: InStock

true sine wavehigh surge power up to 1000WUSA Socket

SKU ISI-501-148A

$233.87 USD

Shipping calculated at checkout.

Available to order

Overview

ISI-501-148A is the model of this series: rated power 450W, 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

ISI-501-148ASpecifications from the official datasheet (2024-09-04 edition)

INVERTER SECTION

RATED POWER: 450W
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
FREQUENCY^Note.9: Factory setting set at 110VAC 60±0.1Hz 50/60Hz selectable by setting button S.W
WAVEFORM^Note.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 RANGE^Note.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: 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.): 8.5A
BATTERY TYPE: Open & sealed Lead Acid
FUSE: 20A*1
BAT. LOW ALARM^Note.3: 45V
BAT. LOW SHUTDOWN^Note.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 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

ISI-501-148A Block Diagram — Block Diagram

ISI-501-148A Charging Curve — Charging Curve

ISI-501-148A Mechanical Specification — Mechanical Specification

Typical applications

Home appliance
Power tools
Portable equipment
Yacht
Vehicle

Downloads

Catalogues1

Mean Well Catalog (Industrial) PDF Download

FAQ

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 has a typical efficiency of 87%. 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 built-in cooling fan supports 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. The datasheet does not state a warranty period, so confirm warranty terms at purchase.

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Model	Power	Voltage	Waveform	Frequency
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-501-248A 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-501-124U 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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