The new HRP-75 series power supply from Mean Well is designed to fit 1U low-profile (38 mm) rack chassis in applications such as factory automation, test and measurement equipment, electrical and mechanical systems, and LED displays.
The 75 W a.c.–d.c. enclosed type power supply features low no-load power consumption (<0,5 W) and high operating efficiency. Compared to the manufacturer’s previous 75 W model, the new series is 17,9% smaller, 9–11% more efficient and has vibration withstand upgraded from 2 G to 5 G and the warranty extended from three years to five years.
With up to 89% efficiency, the new power supply can be cooled by free air convection from -30°C to +70°C ambient temperature. With a built-in active PFC function, they can fulfil the requirement of EN61000-3-2 for harmonic current and also withstand a 300 V a.c. input surge for 5 seconds, which can reduce the damage caused by unstable AC mains. Other standard functions include remote ON/OFF control, protection from short circuit, overload (constant current mode), over-voltage and over-temperature (optional).
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