B-type electronic tubular motor with the diameter of 45mm, available for motorized roller shutters, motorized roller doors l Multiple motors can be with the parallel wiring, and controlled by a switch, which solves perfectly that one switch controls multiple motor to go up and down simultaneously.

To set the limit by the button is so fast as to shorten the limit-setting time largely.

The electronic roller blinds installed in a high position which is not easy to set the limits is available to set the limits by the special limit-setting switch.

The electronic limit with the unlimited turns is available for the super high roller blinds.

Up resistance and stop function.

Down resistance and stop function: resistance and stop mode, resistance and rebound mode, resistance and rebound to the up limit point mode.

To set up and down limit automatically.