Part No.: XAA25306J12
Design No.: XAA25306J12
Part Name: XIZI OTIS ARD (WSD-818) with CONNECTV53B Board
WSD – 818 emergency automatic rescue device( ARD) matches with the elevator driven by the three phase synchronous motor without gear decelerator
- Professional motor control system operation at low speed and the closed loop vector control in deed can guarantee evacuation safety and comfortable.
- Low energy consumption design.
- Equipped with intelligent drive module and set up with over heating and over current protection.
- Accurate detection of the elevator running status in real time can guarantee emergency operation to the precise smooth layer.
- Protected from : short -circuit, over-current, over-voltage, resisting to surge and pulse train interference which reduce failure rate.
- The accumulator has a function of automatic charging and discharging control and protection circuit, so that the battery can always be in the best working condition and increase the service life without human maintenance.
- Humanized speech circuit design provides real-time information to the passengers.