QTD20.241 Puls DC/DC Converters

PULS QTD20.241 is a power supply unit (PSU) and DC/DC-Converter with a 25% power reserve, designed for DIN rail mounting. It operates within an ambient air temperature range of -25 to +70°C and features an intermediate DC-bus and galvanic isolation. The unit provides a rated current of 20A at 24Vdc, 17.5A at 28Vdc, and includes a 12W derating from +60°C to +70°C. Connection is facilitated through spring-clamp connections. As part of the Q-series, it measures W65mm x H124mm x D127mm and requires a supply voltage of 384Vdc to 672Vdc, with specific nominal voltages of 500Vdc, 575Vdc, and 600Vdc. The turn-ON voltage is 450Vdc, and the shutdown voltage is 325Vdc. The housing is made of aluminium, and it is designed for DC networks with a net width of 65 mm. The rated power is 480W at both 24Vdc and 28Vdc, with an adjustable output voltage of 24Vdc to 28Vdc and a 500mV turn-ON overshoot. Protection functions include output overvoltage protection, overload/short-circuit current protection, and resistance to back-feeding loads up to 34V. The unit boasts an efficiency of 0.95 at 600Vdc input, a peak current consumption of 3A, a 35s start-up delay, and rise times of 70ms and 110ms under specified conditions. The hold time is 22ms at 600Vdc input, with power dissipation/losses of 25.5W at full output load. Electrical durability is rated at various hours depending on the operating conditions, with a ripple of 100mVpp and an output stage capacitance of 950µF.

About the manufacturer: Puls is one of the manufacturers that offers DC/DC Converters 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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