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Mean Well ISI-501-112U True Sine Wave DC-AC Inverter 450W 110V out 12V in with MPPT Solar Charger

Name: Mean Well ISI-501-112U True Sine Wave DC-AC Inverter 450W 110V out 12V in with MPPT Solar Charger
Brand: Mean Well
SKU: ISI-501-112U
Price: 233.87 USD
Availability: InStock

true sine wavehigh surge power up to 1000Wuniversal Socket

SKU ISI-501-112U

$233.87 USD

Shipping calculated at checkout.

Available to order

Overview

ISI-501-112U is the model of this series: rated power 450W, typical efficiency 85%.

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-501-112USpecifications 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: 12V
VOLTAGE RANGE^Note.3,5: 10.5 ~ 15VDC
DC CURRENT (Typ.)^Note.7: 50A
NO LOAD CURRENT DRAW (Typ.): 1.25A
OFF MODE CURRENT DRAW (Typ.): ≦1mA
EFFICIENCY (Typ.)^Note.2: 85%
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.): 30A
BATTERY TYPE: Open & sealed Lead Acid
FUSE: 40A*2
BAT. LOW ALARM^Note.3: 11.3V
BAT. LOW SHUTDOWN^Note.3: 10.5V
REVERSE POLARITY: By internal fuse open

MPPT / SOLAR SECTION

MPPT CHARGER EFFICIENCY (Typ.): 98%
OPEN CIRCUIT VOLTAGE RANGE: 35 ~ 50V
MPPT RANGE: 25 ~ 50V
SOLAR INPUT CURRENT (Typ.): 11A
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-501-112U Block Diagram — Block Diagram

ISI-501-112U Charging Curve — Charging Curve

ISI-501-112U 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 Mean Well ISI-501-112U designed for?

The ISI-501-112U is a true sine wave DC-AC inverter for applications that need 110V AC output from a 12V DC source. It is also differentiated by its built-in 500W MPPT solar charger, which makes it suitable for mobile, off-grid, and backup power systems using lead acid batteries.

What output and input ratings does this inverter support?

This model provides 450W rated AC output at 110V. Its DC input range is 10.5 to 15VDC, so it is intended for 12V battery-based systems rather than higher-voltage battery banks.

Does the ISI-501-112U produce true sine wave power?

Yes. The product is specified as a true sine wave inverter with total harmonic distortion below 3%, which is important for powering sensitive AC equipment that benefits from cleaner wave output.

Can this model handle startup surges above its continuous rating?

Yes. Although its continuous power rating is 450W, the ISI-501-112U supports surge power up to 900W. That helps with loads that draw a higher inrush current at startup, as long as normal running demand stays within the unit's rated output.

What battery type is compatible with the built-in charger?

The specification lists open and sealed lead acid batteries as the supported battery types. This answer is specific to the provided product data, so other battery chemistries should not be assumed compatible from this listing alone.

What protections are included in the ISI-501-112U?

This inverter 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.

Is this inverter suitable for 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 built-in cooling fan, which supports thermal management in working environments with variable load and temperature conditions.

What certifications and warranty does this model have?

The ISI-501-112U is listed as approved to IEC62368-1 CB and EAC TP TC 004, and it meets BS EN/EN62368-1. The datasheet does not state a warranty period, so confirm warranty terms at purchase.

Payment & Security

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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-501-148A 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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