The Solis-1P5K-4G-US-APS 5kW single-phase string inverter from the Solis 4G Series is a high-efficiency solution designed for residential solar systems that require reliable performance and NEC-compliant rapid shutdown. With dual MPPT inputs, integrated APsmart shutdown technology, and optional module-level monitoring, this inverter provides dependable energy conversion while supporting safety and compliance standards for modern solar installations.
Key Features
• 5 kW single-phase inverter for residential applications
• Built-in APsmart rapid shutdown transmitter for NEC 690.12 compliance
• Maximum efficiency up to 97.7% with 97.1% CEC-rated efficiency
• Dual independent MPPTs to optimize production on rooftops with multiple orientations
• Transformerless design for improved performance and reduced weight
• Advanced safety features including AFCI, surge protection, ground fault monitoring, and anti-islanding
• Optional revenue-grade meter (ANSI C12.20-2010 compliant) for utility billing
• RS485 standard communication with optional Wi-Fi or cellular monitoring
Benefits
The Solis-1P5K-4G-US-APS inverter helps homeowners achieve reliable solar energy conversion with efficiency ratings above 97%. Its dual MPPT design ensures that even complex rooftops with different orientations deliver strong power output. With integrated rapid shutdown capability, the inverter meets NEC 690.12 requirements, simplifying compliance for installers and providing peace of mind for homeowners. Additional features such as AFCI protection and surge monitoring enhance system safety, while smart connectivity options allow for convenient real-time performance tracking.
Warranty
Comes with a standard 10-year warranty, with extension options available for long-term reliability.
Best Uses
Residential Installations: Designed for single-family homes seeking 5kW capacity and rapid shutdown compliance.
NEC-Compliant Systems: Ideal for installations that require integrated module-level shutdown per NEC 690.12-2020.
Smart Monitoring: Supports module-level monitoring and cloud-based performance tracking.
Specifications
| Specification |
Data |
| Model |
Solis-1P5K-4G-US-APS |
| Rated Output Power |
5,000 W |
| Max. DC Input Voltage |
600 V |
| MPPT Voltage Range |
90–520 V |
| MPPTs / Input Strings |
2 / 2 |
| Max. Input Current |
14 A per input |
| Max. Short Circuit Current |
22 A per input |
| AC Output Voltage |
Single-phase, 240/208 V |
| AC Frequency |
60 Hz |
| Max. Output Current (240V) |
20.8 A |
| Max. Output Current (208V) |
24.0 A |
| Max. Efficiency / CEC Efficiency |
97.7% / 97.1% |
| Nighttime Consumption |
< 1 W |
| Cooling |
Natural Convection |
| Enclosure Rating |
Type 4X (NEMA 4X) |
| Dimensions (W × H × D) |
13.9 × 31.9 × 6.5 in |
| Weight |
33.1 lbs |
| Certifications |
UL1741SB, IEEE 1547, NEC 690.12-2020, CA Rule 21, HECO Rule 14H |
| Communication |
RS485, Optional Wi-Fi/Cellular |
| Protection |
AFCI, Ground Fault, Reverse Polarity, DC/AC Surge |
About Solis:
Solis is a global leader in solar inverter technology, offering efficient, reliable, and affordable grid-tied and hybrid inverters for residential, commercial, and utility-scale applications. Known for innovation and durability, Solis products are engineered to optimize energy yield and support smart energy management through advanced monitoring solutions. With a strong global presence and commitment to sustainability, Solis helps accelerate the transition to clean, renewable energy.
Why Buy From US Solar Supplier?
As an American founded company out of Kentucky, US Solar Supplier is committed to providing top-quality solar products, backed by the world’s leading manufacturers. Our promise is to get you the fairest price from the best brands that offer warranties you can count on.
We update our inventory daily with solar components that feature the latest technology. With a reputation for excellence and a dedication to customer satisfaction, we ensure that every product we sell meets the highest standards in the industry.
Need Assistance?
We’re here to help! If you have any questions or need more information before making your purchase, don’t hesitate to call us at 1-800-230-7004. Our knowledgeable and friendly team is ready to assist you with product details, installation advice, or the purchasing process.
Why Buy From Us?
Trusted Supplier: We work with Tier 1 manufacturers who stand behind their products.
Expert Support: Our team is here to guide you every step of the way.
Manufacturer-Backed Warranties: Enjoy peace of mind with the 10-year product warranty directly from the manufacturer.
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Join the many satisfied customers who have trusted us for their solar needs. Add to your cart now to secure your high-efficiency solar panels and take the next step towards sustainable energy!
FAQs
Q: Is the Solis-1P5K-4G-US-APS compatible with my solar panels?
Yes, the Solis-1P5K-4G-US-APS is compatible with a wide range of solar panel brands and configurations. Your installer will design the system to match your specific array and energy goals.
Q: Do I need a battery to use this inverter?
No, this model is designed as a grid-tied inverter and does not require a battery. It converts solar energy to usable electricity and feeds excess back to the grid.
Q: How do I monitor the performance of my Solis inverter?
The inverter can be connected to a monitoring platform using Wi-Fi or RS485. Through the Solis Cloud app or web portal, you can monitor energy production and system performance in real time.
Q: What happens in the event of a power outage?
As a grid-tied inverter without energy storage, the Solis-1P5K-4G-US-APS will shut down during a grid outage for safety reasons. It does not provide backup power.
Q: What maintenance does the inverter require?
Minimal maintenance is needed. Keep the inverter clean and ensure adequate ventilation. Periodically check for error indicators and have your installer inspect the system as recommended.
Q: What is the efficiency of the Solis-1P5K-4G-US-APS?
This inverter offers high efficiency, with a maximum efficiency rating of up to 97.8%. Refer to the official datasheet for detailed performance data.
Q: What are the input and output voltage ranges?
It supports a DC input voltage range of 90–600V and outputs AC power at 240V (split-phase). See the datasheet for full technical specifications including current and frequency ratings.
Q: What communication protocols are supported?
The Solis-1P5K-4G-US-APS supports Wi-Fi and RS485 for remote monitoring. Check the official manual for a full list of communication and integration options.
