Lütze
Compact low-power power supply units
Lütze is expanding the 24 V power supply family 'Lepor' with three compact 1-phase low power switching power supplies with output powers of 20 W, 60 W and 100 W.
The new primary switched-mode low power switching power supplies in a robust plastic housing have been specially developed for space and cost-optimized applications in machine and plant construction. The devices offer maximum flexibility for international applications thanks to their wide-range input (AC 90 to 264 V / DC 127 to 370 V). An adjustable 24 V(DC) voltage is available at the output, with a choice of 20 W (1.0 A), 60 W (2.5 A) or 100 W (4 A) rated power. Thanks to automatic mains switching between 115 V(AC) and 230 V(AC), the devices from Lütze can be easily used in different mains networks. With an efficiency of 84 to 88 percent and a power loss of less than 0.75 W or 1 W in idle mode, the power supply units meet current requirements for energy efficiency and sustainability. Integrated protective functions such as a short-circuit current limiter and an overload protection of 130% to 150% for up to three seconds ensure a high level of operational safety.
The integrated DC monitors with potential-free normally open contacts enable simple status queries. A green LED reliably indicates a proper DC output in the voltage range from 22 to 30 V(DC). The low-power power supply units are designed for parallel and redundant operation and can be easily coupled with other devices using an external decoupling diode. This makes the power supply units suitable for both standard applications and high-availability systems. With housing widths of 23, 41 and 55 mm, the new power supplies save space on the DIN rail and can be mounted on TS35 rails in accordance with EN 60715 without tools using a snap-in mechanism.
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