3kW 48V UL1741 Solar Inverter With WiFi For Residential Use

Product Summary

This 3kW string PV inverter is designed for residential solar installations. It operates with a 48V battery system (110-150V DC input) and outputs 400V AC three-phase (EU industrial standard). UL1741 certified, with built-in WiFi for remote monitoring. The inverter features an aluminum alloy shell, PCB circuit board, and copper terminals for durability and reliability.

Key Selling Points

• High Efficiency ≥98.5%: Maximizes energy harvest from solar panels, reducing electricity costs for homeowners.
• UL1741 Certified: Ensures safety and compliance with North American grid standards, suitable for utility interconnection.
• Built-in WiFi Monitoring: Real-time performance tracking via smartphone app, enabling proactive maintenance and energy management.
• Compact and Lightweight: Ideal for residential rooftops with limited space, easy to install and integrate.
• Broad Input Voltage Range (110-150V DC): Adaptable to multiple 48V battery configurations, flexible system design.

Technical Specifications

Models and Options

Available models: 3kW (this variant), 5kW, 10kW, 20kW, 50kW. All share the same input/output specifications and UL1741 certification. Custom power ratings available upon request.

Materials and Structure

Aluminum alloy shell for corrosion resistance and heat dissipation; PCB circuit board with high-reliability components; copper terminals for low resistance and secure connections.

Applications

Residential solar rooftop systems, small off-grid cabins, home energy storage, and backup power for households.

Customization

Customizable WiFi communication protocol, optional LCD display, and tailored packaging for OEM/ODM orders. Contact us for minimum order quantities.

Case Study

A residential customer in the EU installed a 3kW inverter with solar panels and battery storage. Over 10 years of operation, the inverter has maintained high efficiency, resulting in electricity cost savings and energy independence. The system has required minimal maintenance, highlighting its long lifespan and low maintenance costs.

FAQ

1. Is this inverter compatible with single-phase output?

No, this model outputs 400V three-phase AC. For single-phase needs, please consult our team for alternative solutions.

2. What is the warranty period?

Standard warranty is 5 years. Extended warranty options are available.

3. Can I monitor the inverter remotely without WiFi?

The built-in WiFi is the primary monitoring interface. For areas without WiFi, a future firmware update may support Ethernet.

4. What battery types are compatible?

The inverter works with 48V lead-acid and lithium battery banks. The input range is 110-150V DC, so batteries must be configured in series.

5. How long does installation take?

A certified electrician can typically complete installation in 2-4 hours.

6. Is the inverter suitable for off-grid systems?

Yes, it can operate in off-grid mode with battery backup. Consult your installer for system design.

7. What certifications does the inverter hold?

UL1741 (USA and Canada), CE, and other relevant international standards.

8. What is the maximum input current?

The maximum input current is 30A at 110V DC. Please ensure your solar array meets this limit.

Inquiry Information

For pricing, availability, and technical support, contact us at inn@v-land.ltd or WhatsApp +86 13001690010. We also offer free system design consultation.

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