Product description Marantec Special 633 1-way photoelectric cells with cable are accessories that will allow you to protect your gate and garage door motors effectively: in fact, they will optimize the safety of objects and people who are are on the closing path of your motors: if the cells detect the slightest obstacle likely to hinder the closing of your doors, they will send an alert signal to your motors. The Marantec Special 633 1-way cells with cable will provide you with one of the best obstacle detection systems to best protect your doors from shocks and impacts. These cells will be particularly useful to prevent young or vulnerable children from being injured: the Marantec Special 633 1-way photoelectric cells with cable will detect the presence of people in the middle of the closing path of your gate, allowing thus protecting your family. Your gate will close once all obstacles have been removed from the closing path of your motorization. How photoelectric cells work The photoelectric cell is a simple-to-use accessory that can provide additional safety to your motorization system. Photoelectric cells are always sold in pairs. Each cell has its function: one emits a signal and the other receives it. The transmitting cell will detect the obstructing obstacle and send a signal to the receiving cell. The receiving cell will send a stop signal to the motor. When the emitting cell no longer emits infrared light, this means that obstacles are preventing your gate or garage door from closing. Then, the electrical system will be blocked immediately: the gate will be stopped in its tracks or will go the opposite way (it will open). Technical characteristics of Marantec Special 633 cells 1 channel with cable This is a very modern obstacle detection system for all Marantec operators. The Marantec company has equipped these cells with the latest technological innovations to further improve the safety of your family and your property. Installation will be very simple and quick. Marantec Special 633 1-way cells with cable can be rotated 180° to maximize reception of the infrared beam. Their supply voltage is 24 V DC. These cells can be connected to all Marantec brand operators, such as the Marantec Comfort 200, 300 and 500 series. A signaling diode has been integrated into the Marantec Special 633 1-way cells with cable: the signaling diode will allow you to correctly align your two cells. Proper cell alignment is essential for optimal obstacle detection. This diode will warn you of the degree of contamination of your equipment. So, when you need to carry out maintenance or cleaning of your equipment, the diode will notify you. The Marantec Special 633 1-way photoelectric cells with cable are equipped with a waterproof IP65 housing, suitable for outdoor installation. The Marantec Special 633 1-way photoelectric cells with cable are delivered with a 20 meter connection cable, which will allow you to connect your cells to your operator. Guarantees and advantages Allo Remotecontrol Marantec Special 633 1-way photoelectric cells with cable are now available on our site: don’t miss this unique opportunity to benefit from optimal anti-obstacle protection! We offer you a one year warranty and can extend this warranty for an additional year. You can also add two or more remote controls to your order, and thus benefit from 100% free delivery: don’t hesitate to take advantage of it, Allo Remotecontrol is full of remote controls from different brands: Marantec, Avidsen, Somfy, etc. For any information on our guarantees, our products, or our commitments, do not hesitate to consult our General Terms and Conditions or contact us.