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Battery-Less UPS for Hazardous Areas
Battery-Less UPS for Hazardous Areas
R Stahl has launched a battery-less Uninterruptible Power Supply (UPS) Solution for Hazardous Areas with capacitors for energy storage. The systems are available as ATEX/IECEx models with combined Ex de ignition protection, and in various regional versions, for instance in Ex d enclosures with an NEC certificate, for zones 1/21 and 2/22. The 8265/C-TEC line provides backup power from capacitors mounted directly on the PCB. Unlike standard solutions, these new UPS systems require no accumulator batteries, which make the emission of dangerous gases technically impossible. Since the capacitors can be charged very quickly, the systems are ready for operation within minutes. They can be connected to PCs running a shutdown software via a USB port. The combination of flameproof main enclosures with Ex de ignition protection and Ex e-protected enclosures as connection chambers ensures a very compact and user-friendly design. Compliant with ATEX and IECEx, R. Stahl’s Ex de technology is completely certified: in addition to excellent safety, this also enables users to easily connect the UPS units and allows for immediate smooth operation. The robust solutions withstand even very harsh conditions. They tolerate an extremely wide ambient temperature range between -50°C and +55°C (optional extension, standard range is -20°C to +40°C). This makes it possible to operate them without restrictions virtually anywhere between the Arctic Ocean and the equatorial region. Even at high temperatures, the 100% maintenance-free systems reach a service life of 20 years.