Fire rated motors Rolling shutters Fire Door Operators for Fire Protection Doors Fire Shutter Operators fire rated shutter motor automatic

Three-phase electricity without adjusting the phase sequence, the phase sequence automatic error correction function

The patented electronic limit motorwith the lock box, can realize the limitsetting without climbing high, avoidingto climb high or drill the ceiling to adjustthe limit twice in the later stage of the project, saving money and labour.

The new technology, the waterproof glue on the circuit board is fully covered, and it is not afraid of moisture, especially the basement that has not been renovated,

and it is not afraid of water droplets on the circuit board.