PS3031-2420-0001 Beckhoff
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The Beckhoff PS3031-2420-0001 is part of the PS Power Supplies series and delivers an output power of 480 W at 24 V DC. It supports a continuous current of 20 A, a peak current of 30 A for 4 seconds, and operates at an efficiency of 95 percent with 400 V AC input. The power supply measures 65 mm in width, 124 mm in height, 127 mm in depth, and weighs 870 grams.
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Product Description:
The PS3031-2420-0001 from Beckhoff belongs to the PS Power Supplies series and mounts directly on a DIN rail to feed 24 V control circuits in automated machinery. By converting three-phase 400 VAC into stable low-voltage DC, the unit supports PLC racks, decentralized I/O, and motion drives while keeping wiring simple inside control panels. The aluminum housing measures 65 mm in width, 124 mm in height, and 127 mm in depth, allowing high-density installation on the rail. Its compact enclosure provides accessible connections while conserving space for adjacent control equipment.
At its output, the supply provides a continuous current of 20 A, corresponding to a rated output of 480 W of DC power at the terminals. The set voltage is 24 V DC, and an internal regulator maintains this value during brief input interruptions with a hold-up time of 22 ms. Overall conversion efficiency reaches 95.0% when the device is supplied with 400 VAC, limiting heat generation to 25.3 W of power loss under full load. The incoming line draw is only 0.79 A at that operating point. Wiring is secured by screw terminals, and copper conductors up to 4 mm² can be accommodated with a 10 mm strip length for proper clamping.
During startup or load surges, the supply can deliver a peak current of 30 A for up to four seconds, enabling capacitive loads, solenoid valves, or actuators with high inrush current to energize without an auxiliary booster. Output regulation remains active until the internal protection circuit disconnects the load at an overvoltage threshold of 35 V DC, preventing damage to downstream electronics. With a displacement power factor of 0.94, the front-end power factor correction stage keeps the input current nearly sinusoidal and supports compliance with plant-wide harmonic limits. The module adds only 870 g of mass to the DIN rail, easing access when units are mounted overhead. Passive convection through the ventilated aluminum case provides sufficient cooling, so no additional fans or airflow guides are required.
