Over 15 years experience of providing support of MEAN WELL Power Supplies
Overview
ISI-501-212U is the model of this series: rated power 500W, typical efficiency 86%.
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
- 500W
- 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 230VAC 200 / 220 / 230 / 240VAC selectable by setting button S.W
- FREQUENCYNote.9
- Factory setting set at 230VAC 50±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
- 12V
- VOLTAGE RANGENote.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
- 86%
- 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 ALARMNote.3
- 11.3V
- BAT. LOW SHUTDOWNNote.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 BS EN/EN55032 class B, EAC TP TC 020
- EMC IMMUNITY
- Compliance to BS EN/EN61000-4-2,3,8, BS EN/EN55035, 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 is the Mean Well ISI-501-212U designed for?
The ISI-501-212U is a true sine wave DC-AC inverter intended for converting 12VDC battery power into AC power for equipment that benefits from a clean sine wave output. This model also includes a built-in 500W MPPT solar charger, which makes it suitable for mobile, off-grid, and backup power applications.
What output quality does this inverter provide?
This model provides a true sine wave output with total harmonic distortion below 3%. That makes it a better fit for sensitive electronics and loads that perform best on cleaner AC power than modified sine wave alternatives.
What are the main electrical ratings of the ISI-501-212U?
The inverter is rated for 450W continuous power and supports surge power up to 900W. Its DC input range is 10.5 to 15VDC, and this version is a 12V input model with 230V AC output (factory setting).
Does this model include a solar charger?
Yes. The ISI-501-212U has a built-in 500W MPPT solar charger with typical MPPT efficiency of 98%. That combines inverter and solar charging capability in one unit for systems using lead-acid batteries.
What battery types is the ISI-501-212U compatible with?
This model is specified for open and sealed lead-acid batteries. The product data does not list support for other battery chemistries, so compatibility should be evaluated against the documented battery type requirement.
What protections are built into this inverter?
The ISI-501-212U includes battery low alarm, battery low shutdown, over-voltage, over-temperature, output short, input reverse polarity, and overload protection. For overload, over-temperature, and output short conditions, the unit shuts down output and requires re-powering to recover.
Can this inverter be used in demanding environments?
It is rated for operation from -20°C to +40°C at 100% load, with operation up to 60°C at 50% load. The unit also uses a built-in cooling fan to help manage heat under load.
What size and warranty does the ISI-501-212U have?
The unit 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.
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