Instantaneous, monostable
The contacts change position instantaneously when the relay is powered and return instantaneously to their initial position when power is shut off.
| Modello | Contatti | In | Alimentazione | Utilizzo intensivo | Materiale rotabile | Note | |
|---|
| POK | 2
| 5
| DC or AC | | | Compact, magnetic arc blow-out | |
| POKS | 2
| 10
| DC or AC | | | Compact, magnetic arc blow-out | |
| BIPOK | 4
| 5
| DC or AC | | | Compact, magnetic arc blow-out | |
| BIPOKS | 4
| 10
| DC or AC | | | Compact, magnetic arc blow-out | |
| TRIPOK | 6
| 5
| DC or AC | | | Compact, magnetic arc blow-out | |
| TRIPOKS | 6
| 10
| DC or AC | | | Compact, magnetic arc blow-out | |
| QUADRIPOK | 8
| 10
| DC or AC | | | Compact, magnetic arc blow-out | |
| OKUIC | 4
| 10
| DC or AC | | | TRENITALIA approved, 100.000.000 operations | |
| OKSCD | 4
| 10
| DC or AC | | | Very high breaking capacity, 100.000.000 operations | |
| FOKB | 4
| 13
| DC | | | Double break, NF-F 62002 compliant | |
