- AF = Coil with electronic interface card (VDRT, SEMI F47) – Starts from AF50
- AE = for DC applications
- AL = Low consumption DC applications (3W to pull and hold)
- UA = Capacitor Switching
- B = mini contactors (compact size)

- Up to 2050A AC-1 rated
- Up to 1050A AC-3 rated (AF1650)
- Flexible auxiliary contacts