SRNE 3kW 24V Off-Grid Solar Inverter

The SRNE 3kW 24V off-grid solar inverter is a high-performance inverter designed for off-grid solar systems. Utilizing advanced SPWM technology, this inverter provides pure sine wave output for stable and efficient power conversion.

Key Features

• Full-Digital Control: Utilizes a double closed-loop control system for enhanced performance.
• Multiple Output Modes: Supports both mains electricity bypass and inverter output for uninterrupted power supply.
• Flexible Charging Options: Offers four charging modes – PV Only, Mains Electricity Priority, PV Priority, and PV & Mains Electricity Hybrid Charging.
• Advanced MPPT Technology: Achieves up to 99.9% efficiency for optimal solar energy harvesting.
• User-Defined Charging Parameters: Allows customization of voltage, current, and mode for compatibility with various battery types.
• Power Saving Mode: Reduces no-load loss to optimize energy efficiency.
• Smart Cooling System: Features an intelligent variable-speed fan for efficient heat dissipation and extended system lifespan.
• Lithium Battery Activation: Supports both lead-acid and lithium batteries, including activation for lithium battery systems.
• Comprehensive Protection: Built-in overload, short circuit, under-voltage, over-voltage, and reverse polarity protection.
• Remote Monitoring & Control: Supports RS485, WiFi, Bluetooth, CAN, and USB communication for integration with computers and mobile devices.

Technical Specifications

AC Mode

• Rated Input Voltage: 220/230V AC
• Input Voltage Range: 170V–280V AC ±2% / 90V–280V AC ±2%
• Frequency: 50Hz/60Hz (Auto Detection)
• Efficiency: >95%
• Conversion Time: 10ms (typical)
• Maximum Bypass Overload Current: 30A

Inverter Mode

• Output Waveform: Pure Sine Wave
• Rated Output Power: 3,000W
• Power Factor: 1
• Output Voltage: 230V AC ±5%
• Output Frequency: 50Hz ±0.3Hz / 60Hz ±0.3Hz
• Efficiency: >92%
• Overload Protection:
  • 102%–125% load: Shutdown after 5 minutes
  • 125%–150% load: Shutdown after 10 seconds
  • Over 150% load: Shutdown after 5 seconds
• Peak Power: 6,000W
• Short Circuit Protection: Circuit breaker

Battery & Charging

• Rated Battery Voltage: 24V (Minimum start voltage: 22V)
• Battery Voltage Range: 20V–33V DC
• Battery Compatibility: Lead-acid & lithium batteries
• Maximum Charge Current: 80A
• Charge Voltage Range: 18V–33V DC
• Overcharge Protection: Auto shutdown after 1 minute
• Power Saving Mode: Activates when load is ≤25W

Solar (PV) Charging

• Maximum PV Open Circuit Voltage: 100V DC
• MPPT Voltage Range: 30V–95V DC
• Maximum Output Power: 1,400W
• Adjustable PV Charging Current: 0–60A
• Short Circuit Protection: Blown fuse

Wiring & Safety Protections

• Reverse Polarity Protection
• Overcurrent & Overvoltage Protection
• Built-in Circuit Breaker
• IP Rated Junction Box for Protection

Physical & Environmental Specifications

• Operating Temperature: -15°C to 55°C
• Storage Temperature: -25°C to 60°C
• Humidity Range: 5%–95% (Conformal Coating Protection)
• Noise Level: ≤60dB
• Cooling System: Forced air cooling with variable-speed fan
• Communication Interfaces: USB, RS485, Bluetooth, WiFi, GPRS, Dry Node Control
• Dimensions: 378mm × 280mm × 103mm
• Weight: 6.2kg

What is a 3kW 24V Inverter?

A 3kW 24V inverter converts 24V DC power from batteries into 230V AC power, allowing you to run standard household and business appliances off-grid.

Common Applications:

• Off-Grid Solar Systems: Converts solar-generated DC power into usable AC electricity.
• RVs & Boats: Powers appliances in recreational vehicles and marine applications.
• Remote Areas: Supplies power in locations with no grid access or unreliable electricity.
• Backup Power Systems: Acts as an emergency power backup during outages.

When choosing an inverter, consider power capacity, efficiency, and compatibility with your batteries and appliances. A pure sine wave inverter, like this model, ensures clean and stable power suitable for sensitive electronics.

24V vs. 48V Inverters – Which One to Choose?

The choice between 24V and 48V inverters depends on your power requirements:

24V Inverters

• Best for small to medium power needs
• Cost-effective for lower energy consumption
• Suitable for off-grid homes, RVs, and boats

48V Inverters

• More efficient for high-power loads
• Reduced current flow, minimizing energy losses in wiring
• Ideal for large off-grid homes, businesses, and industrial applications

If you need a higher power capacity or plan to expand your system, a 48V inverter may be a better option. However, for smaller setups, the SRNE 3kW 24V inverter provides a cost-effective and efficient solution.

The SRNE 3kW 24V off-grid solar inverter is a reliable, high-performance choice for off-grid energy systems, offering pure sine wave output, intelligent charging, and advanced MPPT technology.