Lovato 31 Rgam 12 User Manual -

Whether you are an electrical contractor commissioning a new hospital generator or a facility manager troubleshooting a brewery’s backup system, keep a copy of the in your panel door. Without it, you are guessing. With it, you are in control.

| Parameter | Description | Typical Value | Why it matters | | :--- | :--- | :--- | :--- | | | Mains undervoltage threshold | 184V (for 230V nominal) | Prevents transfer when grid voltage sags. | | P03 | Mains return delay (Timer T1) | 60 seconds | Ensures the grid is stable before re-transfer. | | P05 | Generator starting delay (Timer T2) | 5 seconds | Gives the generator time to start before the controller tries to transfer. | | P07 | Generator stabilization delay (Timer T3) | 10 seconds | Allows generator voltage/frequency to stabilize. | | P10 | Generator stop delay (Timer T4) | 180 seconds | Cool-down period for the generator after load is removed. | | P15 | Remote test enable | 1 (Enabled) | Allows a remote switch to simulate a mains failure. | | P22 | Display language | English / Italian | Sets the LCD text language. | lovato 31 rgam 12 user manual

This article is designed to serve as a complete resource for owners, electricians, and maintenance technicians seeking information about this specific automatic transfer switch. Introduction In the world of industrial and commercial power control, reliability is non-negotiable. The Lovato 31 RGAM 12 is a cornerstone component in automatic mains failure (AMF) panels and generator transfer systems. As a sophisticated automatic transfer switch controller, it monitors two power sources (typically Mains/Grid and Generator) and automatically transfers the load to the healthy source. Whether you are an electrical contractor commissioning a