The Mebay ATS420 is a professional dual power switch controller featuring a 2.8-inch LCD display and intelligent switching capabilities for automatic transfer switch systems.

• Dual power intelligent switching module with programmable functions
• 2.8-inch LCD screen with Chinese/English language options
• Dual core 32-bit high performance microcontroller
• Multiple system type configurations (S1 Mains S2 Mains, S1 Mains S2 Gen, etc.)
• PC material panel with IP65 waterproof rating
• USB and RS485 communication ports for real-time monitoring
• Automatic/Manual operation modes with force control capability
• Supports various AC systems (3-phase 4-wire, 3-phase 3-wire, single-phase 2-wire)
• 5 relay outputs (3 configurable) and 4 configurable switch inputs
• European connectors for easy installation and maintenance
• Real-time clock and comprehensive fault protection functions

Ideal for automatic transfer switch systems, generator set control, and various power system applications requiring reliable dual power switching.