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Mean Well ISI-501-148B True Sine Wave DC-AC Inverter 500W 110V out ...
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ISI-501-148B 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 kind of applications is the Mean Well ISI-501-148B best suited for?
This model is a 500W true sine wave DC-AC inverter intended for battery-based power systems that need clean 110V AC output. It is a practical fit for off-grid, mobile, and backup applications where stable AC power and an integrated MPPT solar charger are useful. Its 1000W surge capability also helps with loads that draw a higher startup current.
Does this inverter provide true sine wave output?
Yes. The ISI-501-148B provides true sine wave output with total harmonic distortion below 3%, which is useful for running AC equipment that is sensitive to output waveform quality. Compared with modified sine wave units, this makes it better suited to electronics and other loads that benefit from cleaner power.
What input and output voltage does the ISI-501-148B support?
According to the provided specification, this inverter accepts a 42 to 60VDC input range and delivers 110V AC output. That means it is designed for higher-voltage DC battery systems rather than low-voltage 12V input applications. Buyers should match it to a system that falls within that stated DC input range.
Is a solar charger built into this inverter?
Yes. The ISI-501-148B includes a built-in 500W MPPT solar charger, with typical MPPT efficiency listed at 98%. That built-in charger is a key differentiator for buyers who want inverter and solar charging functions in one unit.
What battery types is the ISI-501-148B compatible with?
The provided specification lists open and sealed lead acid batteries as the supported battery types. That makes it suitable for systems built around those lead acid battery chemistries. No other battery chemistry is stated in the provided product data.
Can this inverter operate in demanding temperature conditions?
It is rated for operation from -20°C to +40°C at 100% load, and up to 60°C at 50% load. That gives it usable range for cold and moderately hot environments, provided the load level stays within the stated limits. It also uses a built-in cooling fan to help manage heat.
What protection features are included on the ISI-501-148B?
This model includes battery low alarm, battery low shutdown, over voltage, over temperature, output short, input polarity reverse, and overload protection. The overload rating is listed as 110% load for 60 seconds, with shutdown and recovery after re-powering. These protections help protect both the inverter and the connected power system during abnormal conditions.
What are the size, weight, and warranty for this model?
The ISI-501-148B 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 specs are useful for buyers evaluating panel space and enclosure fit.
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