QS20.241-C1

PULS QS20.241-C1 is a power supply unit designed for AC/DC conversion with a 50% power reserve, suitable for DIN rail mounting. It operates within an ambient air temperature range of -25 to +70°C and features a conformal coating for enhanced durability in harsh environments. The unit provides a rated current of 20A at 24Vdc and 17A at 28Vdc, with spring-clamp connections for secure attachment. It supports a supply voltage range of 85Vac-264Vac across various nominal values and 88Vdc-188Vdc for DC input, with specific turn-on and shutdown voltages detailed for both AC and DC inputs. The QS20.241-C1, part of the Q-series, measures 82mm in width, 124mm in height, and 127mm in depth, housed in an aluminium casing. It is designed for use in single-phase or DC networks, 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 including overvoltage and overload/short-circuit protection. The unit allows for series or parallel operation to increase output power, with specific conditions for back-feeding loads. Efficiency rates vary with input voltage, and the product features detailed specifications for current consumption, time delay, hold time, power dissipation/losses, electrical durability, ripple, and output stage capacitance.