The Lovato 31 RGAM 12 has no moving parts, but the user manual recommends a maintenance routine for the system:
| Description | Lovato part number | |-------------|--------------------| | RGAM 12, 1-pole ON/OFF | RGAM 12 S1 | | RGAM 12, 2-pole ON/OFF | RGAM 12 S2 | | RGAM 12, 3-pole ON/OFF | RGAM 12 S3 | | RGAM 12, changeover 2-pole | RGAM 12 C2 | | RGAM 12, voltmeter switch (3 positions) | RGAM 12 V | lovato 31 rgam 12 user manual
Before opening the manual, you must understand what the device does. The Lovato 31 RGAM 12 is part of the RGAM series of automatic transfer switch controllers. Key specifications include: The Lovato 31 RGAM 12 has no moving
The "31" often denotes a specific firmware or revision family, while "RGAM 12" refers to the model with 12A rated relay outputs for direct control of contactors or motorized circuit breakers. The "31" often denotes a specific firmware or
Why you need the user manual: Unlike a simple light switch, the RGAM 12 requires configuration for your specific application. Do you want a delayed transfer? Do you need a cool-down timer for the generator? The manual holds the key to these settings.
| Symptom | Possible cause | Action | |---------|----------------|--------| | Switch does not latch | Broken cam spring | Replace switch | | High contact resistance | Oxidized contacts | Operate switch several times under load (self-cleaning) | | Overheating | Loose terminal or overload | Tighten screw / reduce load | | Handle difficult to turn | Debris or misaligned shaft | Check handle coupling |
Most users set these relays for "Under voltage" only, but the manual describes a more protective "Window Mode."