QT20.241-C1 Puls AC/DC Power Supplies

PULS QT20.241-C1 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 is equipped with a conformal coating for enhanced durability in harsh environments. The unit provides a rated current of 20A at 24Vdc and 17.5A at 28Vdc, with a power derating from 12W at +60°C to +70°C. Connection is facilitated through spring-clamp connections. It supports a wide range supply voltage of 323Vac to 576Vac for 3-phase input, including a broad spectrum of nominal voltages from 380Vac to 525Vac at 47-63Hz. The QT20.241-C1, part of the Q-series, measures 65mm in width, 124mm in height, and 127mm in depth, housed in an aluminium casing. It is designed for a 3-phase network, offering a rated power of 480W and a short-term power of 720W for up to 4 seconds. The output voltage is adjustable between 24Vdc and 28Vdc, with comprehensive protection functions against overvoltage, overload, and short-circuit conditions. Efficiency rates are high at 0.948 and 0.95 for 3x480Vac and 3x400Vac inputs, respectively. The unit exhibits a start-up delay of 290-350ms and a hold time of 22ms, with power dissipation losses calculated at 26.4W for 3x480Vac input and 25.3W for 3x400Vac input under full load. Electrical durability is rated at up to 345000 hours at 25°C with a 10A output and 3AC 400Vac input. The output stage capacitance is 950µF, and the ripple is maintained at 100mVpp across a 20Hz to 20MHz range.

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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