A型机座的45mm直径内置遥控型管状电机， 机械限位， 内置接收器, 适合用于遮阳帘、投影屏幕、遮阳篷和金属卷帘门等。满足不同用户对控制系统的要求。

45mm built-in receiver tubular motor, “A” for the motor’s base code ，mechanic limit, has built-in receiver function, applied for roller blinds ,projector,venetian blind ,awning and metal roller door. meet with customer\'s different requirement of remote control.