The DAPT/BA 6-35 device is designed to prevent the accidental access of personnel beyond the mobile protective fence of medium voltage indoor power installations prior to their electrical separation (according to H.G. No. 1146/30.08.2006).
The device prevents the access of personnel in live cells, by blocking the access door and allows personnel access only in de-energised cells. In such circumstances, when pushing the ‘’UNLOCK’’ button, the locking device is unlocked for 10-15 seconds, allowing it to be opened, but only by a special key in the possession of electricians (key for cabinets, panels and ceel doors). If the lock is not opened in this period, the locking device will become locked automatically avoiding the risk of the operator forgetting the lock open, thus preventing the accidental access in the cell in case of reenergisation. Also, when the cell door is closed, the locking device becomes locked automatically within a 10 to 15-seconds period. The device can be supplied independently or from an external source code SA-01A.
The DAPT/BA device 6-35 kV consists of a processing and control unit (PCU), locking device, special key (delivered only upon request), supply source SA-01 (delivered only upon request).
| Technical characteristics | Value |
| Rated operating voltage (kV) | 6÷35 |
| Intermittent signalling of voltage presence - optical signal (red light) (mCd) | min. 1.000 |
| Intermittent signalling of voltage presence - acoustic signal (dB) | min. 67 |
| Optical signalling in case of supply from an external source | green light, continuous |
| Optical signalling of the correct supply voltage level (battery condition) | yellow light, continuous |
| Operating temperature range (0C) | - 15...+45 |
| Supply | Alkaline battery 9 V type 6LR61 |
| Locking system | Automated, within 10 to 15 seconds from the enclosure of the door |
| Opening of the locking device (only in case of absence of voltage) | Manual, by means of a special key after unlocking, by pushing the UNLOCK button |
| Protection class | IP 20 |
| Overall dimensions PCU 9mm) / locking device dimensions (mm) | 195 x 72 x 28 / 238 x 85 x 51 |
| Total weight (kg) | 1,2 |
The DAPT/BA device 6-35 kV consists of a processing and control unit (PCU), locking device, special key (delivered only upon request), supply source SA-01 (delivered only upon request).
