Misopily Automatic Generator Transfer Switch 125A 120V 3 Pole DIN Rail Mount LED Display Over Under Voltage Protection for Home RV Backup Power

This automatic generator transfer switch features a 3-pole design for seamless switching between primary and two backup power sources, ensuring reliable operation during outages, voltage fluctuations, or power sags, making it ideal for home backup power and RV applications.

Equipped with advanced electrical protection, this transfer switch guards your appliances and systems with overvoltage protection up to 140V, undervoltage protection down to 90V, and overcurrent protection up to 125A, helping prevent damage from unstable grid or generator power.

The priority phase selectable function allows you to designate any input as the primary source, optimizing for either cost or reliability, while the programmable energy-saving timer (1–999 seconds) enables automatic shutdown during off-hours to reduce unnecessary power consumption.

An intuitive LED display provides real-time monitoring of voltage levels for all three sources, with clear status indicators for the active source, transfer events, and faults, giving you instant control and awareness of your power management system.

Designed for easy DIN rail installation, this compact transfer switch measures just 3.8 x 3.5 x 2.6 inches and weighs 1.5 pounds, supporting a mechanical lifespan of 1,000,000 operations, and is rated for 125A (150A max) at AC 110V for dependable long-term use.

Perfect for residential backup systems, RVs, and generator setups, this transfer switch offers a space-saving build, straightforward installation, and comprehensive safety features, ensuring your critical circuits remain powered and protected in any scenario.