2EV electropneumatic valve 24V 2VP pneumatic valve
| U | Frequency | Sound level [dB] | Symbol | Order No. |
|---|---|---|---|---|
| 12 V | High 430 Hz ± 5% Low 340 Hz ± 5% | 118 | ACTC/2EV/12V | TFK-61BT |
| 24 V | High 430 Hz ± 5% Low 340 Hz ± 5% | 118 | ACTC/2EV/24V | TFK-62BT |
| - | High 430 Hz ± 5% Low 340 Hz ± 5% | 118 | ACTC/2VP | TFK-63BT |