Safe power supplies for conduction cooling

6th February 2020
Alex Lynn

With two new models BEO-0812 (+12V) and BEO-0824 (+24V) presented, the power supply specialist Bicker Elektronik is expanding its AC/DC switching power supply series BEO by power class 80W fanless for contact conduction cooling in the space-saving form factor of two by four inch.

With forced air cooling, up to 150 Watt continuous power is available. The BEO-0800 series is also characterised by its high efficiency of up to 91% and low standby consumption <0.48W. The rugged and reliable industrial conduction cooling power supplies have a wide-range input of 90 to 264VAC with active power factor correction (PFC) for worldwide use and are certified to IEC/EN/UL62368-1.

Due to the very good electromagnetic compatibility (EMC), the BEO-0800 series meets the stricter class B of EN55032. The high quality of the components used and the excellent circuit design ensure a long service life and safe 24/7 continuous operation in the extended temperature range of -20 to +70°C.

For optimum thermal connection of the power components on PCB bottom side to chassis of the application, BEO-0800 series already includes a suitable thermal pad. Due to ideal heat conduction properties and the flexible pad surface, the pre-assembled thermally conductive gap filler creates an optimal connection between the power components and the connected housing chassis, so that no active cooling is necessary.

Due to the very good thermal management, the heating of the switched-mode power supplies are reduced to a minimum, making maintenance-free systems without rotating fans possible. The already included insulation foil has a precisely fitting opening for the thermal pad.

The BEO-0800 series combines high energy efficiency across the entire performance range with the compactness of a robust two by four inch industrial PSU. The switching power supplies can be used up to an operating height of 5,000m and have short-circuit and overcurrent protection. The insulation voltage between input and output is 4,000 VDC.

The space-saving BEO-0800 series is suitable for a large number of fanless industrial applications and embedded IPC systems with single voltage supply: Industry 4.0 / IIoT, automation, process measuring and control technology, energy, communication, POS / POI, digital signage, and many more.

The three-pin AC input line CB-105-3-600 or the two-pin AC input line X1-054 are available as optional accessories for AC input mains connection, and the four-pin DC output line CB-BEO-0800 on the DC output side - each made in AWG18 with a length of 600mm and open ends.

In addition to the three-year device guarantee, Bicker Elektronik offers long-term availability of at least 5 years. In particular Long-running applications benefit from optimal investment protection. The project-related and individual design-in advice is rounded off by first-class service and support from Germany.

Upon request, the R&D engineers at Bicker Elektronik can also implement customer-specific special solutions. Bicker Elektronik's offer also includes extensive laboratory and measurement services for complete customer systems as well as performance profile analyses for the exact dimensioning of the power supply.

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