QS40.244 Puls AC/DC Power Supplies

PULS QS40.244 is a power supply unit designed for DIN rail mounting, featuring AC/DC conversion with a 50% power reserve. It operates within an ambient air temperature range of -25 to +70°C and offers a design that includes a DC-OK relay contact output. The unit provides a rated current of 40A at 24Vdc and 34.3A at 28Vdc, with screw-clamp connections for secure installation. It supports a supply voltage range of 180Vac to 264Vac across various nominal values and frequencies, with specific turn-ON and shutdown voltages. As part of the Q-series, it measures 125mm in width, 124mm in height, and 127mm in depth, housed in an aluminium casing. This single-phase unit delivers a rated power of 960W, with a short-term capacity of 1440W for up to 4 seconds, and an adjustable output voltage between 24Vdc and 28Vdc. It features comprehensive protection functions, including output overvoltage protection and overload/short-circuit current management, and is capable of series or parallel operation for increased output power. The QS40.244 maintains efficiency at 0.946 with a 230Vac input and incorporates a time delay for start-up and rise, alongside a hold time of 30ms at 230Vac input. Power dissipation is noted at 54.8W under full output load with a 230Vac input. Its electrical durability spans up to 311,000 hours at 25°C with a 20A output, and it exhibits a ripple of 100mVpp across a 20Hz to 20MHz range with a 50Ω load. The output stage capacitance is 10200µF, ensuring stable performance across its operational lifespan.

About the manufacturer: Puls is one of the manufacturers that offers AC/DC Power Supplies that you can order at Powermatic Associates site. Puls specializes in AC/DC power supplies, dedicating its efforts solely to the development of premium DIN rail power supplies. As a leading authority in power conversion, Puls distinguishes itself through focused engineering and an unwavering commitment to quality, positioning itself as the top leader in the field. This dedication ensures the highest standard in the industry, reflecting in every product they offer.

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