Available. The Phoenix Contact QUINT-PS-3X400-500AC/24DC/20 is a robust three-phase primary-switched power supply unit designed for industrial applications requiring reliable and efficient power conversion. Operating within a nominal input voltage range of 400–500 V AC, it accommodates a wide input range from 320–575 V AC, ensuring versatility across various industrial environments. The device delivers a stable 24 V DC output at 20 A, with the capability to provide up to 27 A during high inrush currents, thanks to its POWER BOOST feature. This feature is particularly beneficial for starting heavy loads with high inrush currents and ensuring that fuses are reliably tripped. The power supply unit boasts an efficiency exceeding 91% at nominal load, contributing to energy savings and reduced operational costs. It is housed in a durable metal enclosure suitable for DIN rail mounting, offering ease of installation and maintenance. The device is engineered to operate within a temperature range of -25°C to +70°C, with derating above 60°C, making it suitable for diverse environmental conditions. Additionally, it features preventive function monitoring with an active transistor output and a floating relay contact for remote diagnostics, enhancing system reliability and minimizing downtime. This power supply unit is ideal for applications in plant and special engineering sectors, where dependable power supply is critical for system performance and longevity.