Dual Power Automatic Transfer Switch for Off-Grid Solar

Stay powered without interruption with this Dual Power Automatic Transfer Switch for off-grid solar and wind systems. Designed to automatically switch between battery power and grid supply, it protects your batteries while keeping your home or setup running smoothly.

Ideal for hybrid solar, wind or backup systems, it works like a reverse UPS — intelligently managing power so you don’t have to.

Key Features

• Automatic Power Switching – Seamlessly switches to grid power when battery voltage is low

• Battery Protection Function – Prevents deep discharge to extend battery lifespan

• Fast Transfer Time – Switches in ≤10ms to minimise power interruption

• High Power Capacity – Supports 5.5kW (110–120V) or 11kW (220–240V) systems

• Auto Voltage Detection – Automatically detects DC 12V / 24V / 48V systems

• Adjustable Cut-Off & Recovery Voltage – Customise battery protection levels to suit your setup

• Clear LCD Display – Monitor battery voltage and real-time working status of grid, inverter and battery

• Hybrid System Ready – Perfect for off-grid solar, wind or combined systems

Specifications

• Application: Off-Grid Solar or Wind System

• Rated Power: 5.5kW / 11kW

• System Voltage: Auto Detect 12V / 24V / 48V DC

• Input Voltage: Auto Detect AC 110–120V or 220–240V

• Output Voltage: Auto Detect AC 110–120V or 220–240V

• Transfer Time: ≤10ms (Inverter to Grid), ≤16ms (Grid to Inverter)

• Battery Low Cut-Off (Default): 11V / 22V / 44V (Adjustable)

• Battery Recovery Voltage (Default): 13.5V / 27V / 54V (Adjustable)

• Compatible Battery Types: Sealed, Gel, Lead-Acid, Lithium (within supported voltage range)

• Product Dimensions: 19 x 17 x 7.25cm

Package Contents

• 1 x Dual Power Automatic Transfer Switch

• 1 x User Manual

What Makes This a Smart Buy:
This switch automatically protects your batteries while ensuring continuous power to your system. With fast switching, high capacity support and adjustable voltage settings, it’s a practical and cost-effective solution for reliable off-grid energy management.