| Hom | Hom | Hwj chim | Loj | Qhov hnyav |
| SULAB | DR 2009 ADR 2009 BDR 2009C | 200 KW 400 KW 600 KW | 24 * 14 * 4cm | 0.5 KG |
SULAB of the elevator door machine control DC speed regulator (DR-2009C) tuaj yeem tswj qhov ceev ntawm lub qhov rooj of the elevator kom ntseeg tau tias kev qhib thiab kaw ntawm lub qhov rooj of the elevator.