Identify the terminals (marked on the relay’s side):
| Terminal Label | Description | |----------------|-------------| | 1/L1, 3/L2, 5/L3 | Line side (from contactor or supply) | | 2/T1, 4/T2, 6/T3 | Load side (to motor) | | 95-96 | NC contact (normally closed – trips open) | | 97-98 | NO contact (normally open – trips closed) |
Standard wiring diagram:
A: The RGAM series does not differentiate. Both show a “0” flag. Use a separate phase monitoring relay if discrimination is needed.
The 31 RGAM 12 includes built-in auxiliary contacts: lovato 31 rgam 12 user manual
| Contact | State in Normal | State in Trip | |---------|----------------|----------------| | 95-96 (NC) | Closed | Open | | 97-98 (NO) | Open | Closed |
| Parameter | Value | |-----------|-------| | Rated thermal current (Ith) | 12 A | | Rated insulation voltage (Ui) | 690 V AC | | Rated impulse withstand voltage (Uimp) | 6 kV | | Rated operational voltage (Ue) | 240 V AC / 415 V AC (depending on use) | | AC-21A / AC-23A breaking capacity | 12 A | | Mechanical life | > 1,000,000 operations | | Electrical life | > 100,000 operations (rated load) | | Protection degree (front panel) | IP65 (with rubber gasket) | | Operating temperature | -25°C to +60°C | | Terminal type | Screw clamps | | Wire cross-section | 2.5 mm² (flexible/rigid) | Identify the terminals (marked on the relay’s side):
The user manual details four distinct operating modes for the Lovato 31 RGAM 12.