The DNH41 Automatic Transfer Switch (ATS) is designed to ensure a seamless transition between two power sources, providing a reliable and uninterrupted power supply. Operating at a rated insulation voltage of AC500V and working voltage of AC230V, this switch is ideal for switching between mains power and generator circuits in residential, commercial, and industrial applications.

Compliant with international standards such as IEC 60947-3 and IEC 60947-11, the DNH41 ATS guarantees safe, efficient, and automatic power switching with real-time monitoring capabilities.

Key Advantages & Selling Points

• Automatic & Fast Power Switching – Transfers power within 3 seconds in case of mains failure and switches back to mains power after a pre-set delay (1-30s adjustable).
• Real-Time Monitoring – Displays voltage and current in real-time, providing users with accurate power status updates.
• Overload Protection with Adjustable Alarm – Supports adjustable current settings from 10A to 80A with an overload alarm function to enhance system protection.
• Compact DIN Rail Installation – Designed for 35mm DIN rail mounting, making installation quick and hassle-free.
• High Electrical Endurance – Built with a rated impulse withstand voltage of 1.5kV, ensuring long-term durability and safety in demanding environments.
• LED Status Indicators – Features intuitive LED indicators for easy status identification:

Mains Power (Blue)
Generator Power (Blue)
Load Active (Green)
Fault Detection (Red)

• Wide Operating Conditions – Works efficiently in temperatures ranging from -5°C to +55°C, making it suitable for various environmental conditions.