Power Electronics / Power Management


19” power supplies

13 September 2017 Power Electronics / Power Management

Pentair is updating and streamlining its Schroff power supply portfolio, by combining various series of AC power supply products into the MaxpowerPro product family. The first devices feature 180 W of output and are currently available. The power supply units from the former SEK series have been redesigned and are now available under the name Max50.

The update improved various features while simultaneously reducing overall cost. These 19” plug-in power supply units feature an output of 50 W and voltages of 5, 12, 15, 24 or 48 V, and are used in a wide variety of industrial applications.

The Max50 power supplies are based on state-of-the-art technology and are very compact, featuring a size of 3U, 6 HP and a depth of

160 mm. Redesigning the units increased the efficiency to as much as 88% while simultaneously reducing power loss by up to 50%. In addition, the temperature range for using the power supply units has been expanded to a range of -25°C to +50°C. The load-dependent UI characteristic curve allows for a passive current share for parallel and redundancy operation.

The Max50 power supply components also no longer require a minimum load. Delivery of the new power supply units now includes an assembled front panel with EMC textile gasket for temperatures up to 85°C. Despite these improvements, the overall unit cost has been reduced, resulting in lower market pricing. The input voltage range of the new Max50 power supply units is 90 V to 253 V a.c. The maximum power consumption in standby mode is less than 1,5 W.

The full product line in this series will soon be complete through the addition of power supply units with 100 W of power output.



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