Superrollo Professional SR70030 ZB30 Daylight sensor

Simply plug in the sensor on the bottom of the superrollo GW240/245/250/255 and you're done!
A fiber optic cable measures both the incident rays of the sun and the twilight state in the evening. In intense sunlight, the roller shutter is lowered to the sensor. With twilight function, the command for lowering is given when twilight is reached. The values for the desired solar or twilight state can be changed via adjustment screws and with the help of corresponding symbols on the device.

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