These ultra-slim power supplies have the same design as the Siemens LOGO! 8 logic controllers and offer up to 100W of power for distribution boards, as well as being fully compatible with the third generation range of devices.
The product portfolio now includes two new devices, as well as additional features and coverage for a range of applications, including industrial automation (packaging machines, waste compactors, conveyor belts, and sorting systems) and building automation (lighting controls, heating control system expansions, and access controls). The series also offers an expanded operating temperature range of -25 to +70 °C, enabling its use in cold environments.

With a housing width of between 18 and 72 mm, the fourth-generation compact devices are 18 mm narrower than the previous generation, providing greater flexibility for mounting on DIN rails, distribution boards, or directly on walls or ceilings. They can also be mounted alongside other devices; for example, to supply power to adjacent LOGO! intelligent logic modules.

With outstanding energy efficiency in both operation and standby, the series offers efficiencies of up to 90% across the entire load range, as well as no-load losses of less than 0.3 W. The integrated current monitor is useful during commissioning and maintenance: the current output can be read in real time as a voltage value using a single measuring point. There is no longer any need to disconnect cables for conventional current measurement, and the system continues to receive uninterrupted DC power. The series also features a "DC OK" LED diagnostic signal to indicate its status.

The series expands the LOGO! Power range with two new versions offering 24 V/0.6 A and 12 V/0.9 A. With these two additions, there are now 11 devices with adjustable and regulated output voltages of 5, 12, 15, and 24 V, delivering up to 100 W of power. Their wide-range input allows these power supplies to be connected to all single-phase electrical networks with a nominal voltage between 110 and 240 V AC, and even to DC networks between 110 and 300 V DC without the need for switching.

RS and Siemens are collaborating closely to facilitate the transition to this new range. Stocks of the current range will be maintained for as long as possible, while the latest generation products will be supplied to customers working on new designs who wish to take advantage of the latest features and technologies.

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