MOES Dual Power Automatic Transfer Switch 50A for Off-Grid Solar — 12/24/48V DC, LCD Voltage Monitor

MOES Dual Power Automatic Transfer Switch 50A is an automatic ATS controller that switches between your battery-powered inverter and grid power to protect batteries and keep critical loads running.

Designed for small off-grid solar or hybrid systems, this MOES ATS monitors battery voltage and automatically transfers loads to the grid when battery voltage falls below a user-set cutoff, then returns to inverter power when the battery recovers. It supports 12/24/48V DC systems and 100–120V or 220–240V AC outputs, offering up to 5.5 kW (110V) or 11 kW (220V) continuous output. The device includes an LCD for real-time voltage and status display and configurable cutoff and recovery thresholds for multiple battery types.

How does the MOES ATS protect my batteries?

The ATS continuously measures battery voltage and acts when voltages approach unsafe levels so your battery isn't discharged below recommended limits. You set the cutoff and recovery voltages to match your battery chemistry, and the ATS handles the switching automatically.

• Automatic transfer to grid when battery voltage drops below your cutoff point.
• Automatic return to inverter when battery voltage rises above the recovery threshold.
• Works with sealed, gel, lead-acid and lithium batteries within supported voltage ranges.

What system voltages and power ratings does it support?

The MOES unit auto-detects 12V, 24V, or 48V DC systems and supports both common AC grid standards. Its high continuous power rating handles most home inverters for critical loads and offers fast transfer times to minimize interruption.

• DC auto-detect: 12V / 24V / 48V systems.
• AC compatibility: 100–120V 60Hz or 220–240V 50Hz.
• Power: 5.5 kW at 110V or 11 kW at 220V; inverter→grid transfer ≤10 ms.

How do I configure and monitor the transfer switch?

Configuration is done using the built-in LCD and controls; you can specify cutoff and recovery voltages to match your battery type and desired protection level. The display shows live battery voltage and the current power source so you can verify operation at a glance.

• LCD shows battery voltage and working status of grid, inverter, and battery.
• User-defined cutoff and recovery points (recovery must be set higher than cutoff).
• Requires connection to the battery for power and voltage sensing.

What transfer behavior and compatibility should I expect?

The ATS acts like an inverse UPS: when batteries are healthy it feeds loads from the inverter; when battery voltage falls it switches to grid power to preserve battery life. Transfer times are optimized to reduce load interruption and the controller supports common battery voltage bands for varied battery chemistries.

• Fast transfer: inverter→public power ≤10 ms; public→inverter ≤16 ms.
• Voltage ranges: 9–17V for 12V systems, 18–30V for 24V, 30–60V for 48V.
• Compatible with systems using solar or wind charging paired with inverters and grid connection.

Who is this for? The MOES Dual Power ATS 50A is built for homeowners, RV and tiny-house owners, remote cabin operators, and small off-grid or hybrid system installers who need an automatic, configurable transfer solution that protects battery life and keeps essential circuits powered. It’s suitable when you require clear monitoring, adjustable protection thresholds for multiple battery chemistries, and fast, reliable switchover between inverter and grid without complex programming or heavy wiring changes.