Presentation of Marantec Special 633 1-way photocells without cable This pair of photocells is an effective way to protect your gate and garage door motorization systems: these photocells will optimize the safety of objects and people located on the closing path of the gate. your motorized doors. The Marantec Special 633 1-way cable-free photocells will offer you optimal obstacle detection to best protect your doors from shocks and impacts. If you have young children or people who may be vulnerable, Marantec Special 633 1-way photocells without cable are an excellent way to protect them: in this way, they will automatically detect their presence on the closing path and send a signal stop to your motor system: it will stop its movement immediately. Your gate or garage door will close once there are no obstacles obstructing its closing. How do photocells work? Photocells are accessories that operate simply and provide additional safety and security for your motorized devices. They are always sold in pairs. Each cell has its function: one is a transmitter and the other is a receiver. The transmitting cell is the one which will detect the annoying obstacle and send the signal to the receiving cell, which will send a stop signal to your engine. When the emitting cell no longer emits infrared light, this means that an obstacle is preventing the closing of your gate or garage door. The motorization system will then block instantly: the door can either freeze or do the opposite (open). The characteristics of Marantec Special 633 1-way photocells without cable This pair of Marantec Special 633 1-way photocells without cable are very modern obstacle detection systems: Marantec has equipped them with the latest technological innovations in order to further strengthen the safety of your family and your property. Installation will be simple and very quick. The Marantec Special 633 1-way photocells without cable can be rotated 180°, which allows reception of the infrared beam to be optimized as much as possible. Their supply voltage is 24 V DC. These photocells can be coupled to all Marantec brand operators, such as the Marantec Comfort series 200, 300 and 500. These photocells are also equipped with a signaling diode: this diode will allow you to correctly align the two cells . Good cell alignment is essential for optimal obstacle detection. This indicator diode has also been designed to notify you of the level of contamination of your equipment: as a result, they will notify you when you need to carry out maintenance or cleaning of your system. In addition, the Marantec Special 633 1-way photocells without cable benefit from a waterproof case, which will be favorable for outdoor installation (IP65). The Marantec Special 633 1-channel photocells without cable are not bulky cells: they have dimensions of 38 x 38 x 11 mm and the range of their signal is 8 meters. Please note: this product is not sold with the 20 meter connection cable: if you wish to benefit from the cable, opt for the Marantec Special 633 1-way model with cable. Our guarantees and advantages Marantec Special 633 1-way photocells without cable are available now on Allo Remotecontrol. A 1 year warranty is offered to you by us, with the possibility of extending this warranty to 1 additional year. Delivery is free for adding two or more remote controls to your order: don’t hesitate to take advantage, we have many remote controls from different brands: Marantec, Avidsen, Somfy, etc. For any information on the guarantee or our commitments, do not hesitate to consult our General Terms and Conditions or contact us by email or telephone.