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Mean Well ISI-501-148F True Sine Wave DC-AC Inverter 500W 110V out ...
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ISI-501-148F 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
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
- 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
- 48V
- VOLTAGE RANGENote.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 ALARMNote.3
- 45V
- BAT. LOW SHUTDOWNNote.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
Typical applications
- Home appliance
- Power tools
- Portable equipment
- Yacht
- Vehicle
Downloads
Catalogues1
FAQ
What are the main output characteristics of the Mean Well ISI-501-148F?
The ISI-501-148F is a 500W true sine wave DC-AC inverter with 110V AC output. Its output waveform has total harmonic distortion below 3%, which makes it suitable for loads that need cleaner AC power than modified sine wave inverters provide. It also supports surge power up to 1000W for short startup demands.
Does this model include a solar charger?
Yes. The ISI-501-148F includes a built-in 500W MPPT solar charger, so it combines inverter and solar charging functions in one unit. The listed typical MPPT efficiency is 98%, which is a key differentiator for this model.
What DC input range does the ISI-501-148F require?
This model is specified for a DC input voltage range of 42 to 60VDC. Buyers should confirm their battery system matches that range before selecting this inverter. The unit is also listed for open and sealed lead-acid battery types.
What kinds of protection features are built into this inverter?
The ISI-501-148F includes battery low alarm, battery low shutdown, over-voltage, over-temperature, output short, input reverse polarity, and overload protection. For overload, it can handle 110% load for 60 seconds before protective shutdown. Several fault conditions recover by re-powering the unit after the issue is cleared.
Is the ISI-501-148F suitable for demanding or temperature-sensitive environments?
It is rated for operation from -20°C to +40°C at 100% load, and up to 60°C at 50% load. The design also includes a built-in cooling fan to help manage heat under load. Those specs make it better suited to industrial and mobile power environments than many light-duty consumer inverters.
What applications is this inverter best suited for?
This model is best suited to applications that need 110V AC output from a higher-voltage DC battery system while also benefiting from integrated MPPT solar charging. Typical B2B use cases include off-grid power, mobile systems, backup power assemblies, and field equipment where clean sine wave output matters. Its 500W continuous rating makes it more appropriate for moderate loads than for large AC appliances.
What monitoring or control features does the ISI-501-148F provide?
The unit includes built-in remote ON-OFF control, a battery low relay contact, and LED indication for operating status and battery capacity. These features can help with system-level monitoring and controlled operation in equipment cabinets or managed power systems. They are part of the standard feature set for this specific model.
What are the physical size and warranty for this inverter?
The ISI-501-148F measures 205 x 158 x 67 mm and weighs 2.35 kg. The datasheet does not state a warranty period, so confirm warranty terms at purchase. Those details are useful for product selection where enclosure space matters.
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