Off Grid Solar Inverter 1.2KW High frequency Wall Mounted LCD WIFI MPPT Solar Controller
The Smart PY3 Series is a wall-mounted, high-frequency off-grid inverter that combines a pure sine wave inverter with an intelligent MPPT solar charge controller. Designed for residential and light commercial power setups, it supports a broad photovoltaic input range and can operate directly from solar panels when sunlight is sufficient, reducing or even eliminating the need for batteries in certain scenarios.
Leveraging advanced MPPT algorithms and smart BMS integration, the PY3 Series ensures precise energy management, superior battery protection, and maximum system efficiency. Its compact footprint, low standby power draw, and high conversion efficiency enable smooth, rapid transitions between solar, grid, and battery power sources, delivering consistent, high-quality electricity for homes, offices, and small-scale industrial applications.
FEATURES:
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Dual independent AC outputs for versatile load management
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Operates directly from solar panels without batteries (120 - 500V PV)
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Stable, grid-quality pure sine wave output
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Built-in high-efficiency MPPT solar charging
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LCD-configurable power source priority
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Multi-layer protection for safe, reliable operation
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Automatic recovery after grid or power interruptions
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Optional remote monitoring via WiFi or Bluetooth
SPECIFICATIONS:
| MODEL | PY3-1.2K | PY3-3.6K | PY3-6.2K | PY3-11K |
| Rated Capacity | 1200VA/1200W | 3600VA/3600W | 6200VA/6200W | 11000VA/11000W |
| Peak Efficiency (Battery Mode) | ≥90.5% | ≥92.7% | ≥94% | ≥93% |
| AC INPUT |
| Input Format | L+N+PE |
| Rated Input Voltage | 208/220/230/240VAC |
| Max AC Charging | 60A | 100A | 120A | 120A |
| Voltage Range | 170~264VAC(UPS MODE); 90~280VAC(For Home Appliances) |
| Frequency Range | 50Hz/60Hz(Auto Sensing) |
| OUTPUT |
| Output Format | L+N+PE |
| Rated Output Voltage | 208/220/230/240VAC±5% |
| Output Frequency | 50/60Hz±0.1% |
| Waveform | Pure Sine Wave |
| Transfer Time | 10ms(For Personal Computers),10ms(For Home Appliances) |
| Overload Capacity | Battery Mode: 1min@102%~110% Load 10s@110%~130%Load
3s@130%~150% Load 200ms@>150% Load |
| BATTERY |
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| Type | Li-ion/Lead-acid | Li-ion/Lead-acid | Li-ion/Lead-acid | Li-ion/Lead-acid |
| Rated Voltage | 12 VDC | 24 VDC | 48 VDC | 48 VDC |
| Constant Charging Voltage (Can Be Set) | 14.1 VDC | 28.2 VDC | 56.4 VDC | 56.4 VDC |
| Float Charging Voltage (Can Be Set) | 13.5 VDC | 27 VDC | 54 VDC | 54 VDC |
| SOLAR CHARGER & AC CHARGER |
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| Solar Charger Type | MPPT | MPPT | MPPT | MPPT |
| PV Maximum Input Power | 1000W | 5000W | 9000W | 10000W |
| MPPT Tracking Range | 20~100 VDC | 40~450 VDC | 60~450 VDC | 60~500 VDC |
| Maximum PV Input Voltage | 125 VDC | 500 VDC | 500 VDC | 500 VDC |
| Maximum PV Input Current | 14 A | 18 A | 27 A | 18A*2 |
| Maximum PV Charging Current | 60 A | 100 A | 120 A | 160 A |
| Maximum Charging Current | 120 A | 100 A | 120 A | 160 A |
| COMMUNICATION INTERFACE | RS485 STANDARD | RS485/232/USB/Dry Contact | RS485/232/USB/Dry Contact | RS485/232/USB/Dry Contact |
| Expansion Slot Communication Interface | WIFI Optional |
| Environmental Parameters |
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| Operating Ambient Temperature | 0~40℃ |
| Operating Environment Humidity | 20%~95%(Non-Condensing) |
| Storage Temperature | -15~60℃ |
| Altitude | Altitude Should Not Exceed 1000m, Derating Above 1000m, Maximum 4000m, Refer to IEC62040 |
| Noise | ≤50db |
| PHYSICAL PARAMETERS |
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| D×W×H(mm) | 330 x 228 x 90 | 280 x 350 x136 | 310 x 420 x 136 | 540 x 415 x 122 |
| Weight (for Reference) | 3.2 | 6.6kg | 8kg | 15.5kg |
APPLICATIONS:
Designed to provide reliable power for:
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Residential: HVAC, kitchen appliances, lighting, and entertainment systems
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Light Industrial: Drills, sanders, and other small machinery
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Office: Computers, monitors, printers, routers, and other business electronics
The image below illustrates the usage example:
RSUN Support & Customization Services:
- Sample & Evaluation Support
We offer trial units to help you assess product performance and ensure compatibility with your specific applications. - Comprehensive Warranty Protection
All RSUN UPS systems, solar controllers, and DC inverters come with a clear, dependable warranty, giving you confidence in long-term operation. - Tailored OEM Solutions
Through our ISO-certified production facilities, RSUN delivers flexible OEM services—including design, prototyping, manufacturing, and quality assurance. With over a decade of experience, our scalable processes have successfully supported international partners across diverse industries.
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Off Grid Solar Inverter 1.2KW High frequency Wall Mounted LCD WIFI MPPT Solar Controller Images
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