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720W 12V Inverter - Modified Sine wave
It has an auto switchover feature and a built in charger.
Meaning your equipment can run off the mains (220 volts) and when loadshedding happens it will switch over to the battery automatically.
Your equipment will not see the difference. Your PC will still be running and your decoder will not loose signal.
All you need to add is a battery. Once the loadshedding is over, the unit will charge the battery for the next round of loadshedding.
We've tested this particular inverter by running a PC with a 23" screen, an inkjet printer, a small p1102 laser printer and a DSTV decoder.
We printed several pages on the laser printer just to see if it could take the load and it did. ( Our printer takes 360 Watts when printing, but most laser printer take between 400 to 750 watts.)
Below you'll find all the technical specs:
Features
• Simulated sine wave inverter
• Built-in AVR for voltage regulation
• Wide input voltage range: 90-280 VAC
• 12VDC available
• Overload and short circuit protection
• LCD display for comprehensive information
Specifications
| MODEL | Mecer IVR-1200LBK |
| CAPACITY | 1200 VA / 720 W |
| POWER FACTOR | 0.8 |
| Input Voltage range | 90-280VAC |
| LINE MODE | |
| Output Voltage |
Bypass mode: 0utput voltage same as input voltage AVR mode:Output voltage = Input voltage*1.2 @ Input voltage<200VAC |
| Output Frequency | Same as input |
| BATTERY MODE | |
| Output Voltage | 230Vac ±10% |
| Transfer Time | 20ms typical |
| Waveform | Modified Sine-wave |
| OVERLOAD CAPABILITY | |
| Bypass Mode (in VA and Watts) | Load >110%±15% , alarm 5 mins then fault |
| Load >130% ±15%, fault immediately. | |
| AVR Mode (in VA and Watts)@ Input voltage > 170VAC | Load >100%±15%, go to bypass mode |
| AVR Mode (in VA and Watts)@ Input voltage < 170VAC | Load >60%±15%, go to bypass mode |
| Battery Mode (in W) | Load>110% ±15%, overload alarm for 15s, and then will switch to fault mode for 10s. Then unit will re-start for 5 times |
| Load>120% ±15% , fault & cut off O/P immediately. | |
| SHORT CIRCUIT PROTECTION | |
| Line Mode | Breaker |
| Battery Mode | Current limit +Firmware Protection |
| BATTERY | |
| Battery Voltage | 12VDC |
| Acceptable Battery Type | Rechargeable lead-acid battery, Deep discharge battery |
| Polarity Reserve Protection | Yes |
| Charger available I/P range | 90~280V |
| CHARGER | |
| Constant Current Charger Voltage | 14.3VDC ±2% |
| Floating Charge Voltage | 13.7VDC ±2% |
| Maximum Charge Current | 10A or 20A |
| DC Start Voltage | >11VDC |
| PHYSICAL | |
| Dimension, D X W X H (mm) | 350 x 90 x 300 |
| Net Weight (kgs) | 4.5 |
| ENVIRONMENT | |
| Operating Humidity | 0 to 90% Relative Humidity(Non-condensing) |
| Operating Temperature | 0? to 40? |
| Storage Temperature | -15? to 50? |