M 28 x 1.5, 0..10 V, adapter M 28 x 1.5 colour blue integrated, male connector, cable loose.
1 7990 31 - 5 mm stroke, without limit switch, closing force 100 N, 1.2 watt.
1 7990 32 – 6.5 mm stroke, without limit switch, closing force 125 N, 1.2 watt with valve stroke detection.
| Code | Description | 
  | 
|---|---|---|
| 1 7990 31 | HERZ actuating drive for continuous control, NC | 
  | 
| 1 7990 32 | HERZ actuating drive for continuous control, NC | 
  |