PS1111-2403-0000 Beckhoff
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The Beckhoff PS1111-2403-0000 is a power supply from the PS Power Supplies series, offering a rated output current of 3.8 Amps at 24 Volts DC. It provides a rated power of 90 Watts with an efficiency of 93.8 percent at 230 Volts AC and has a hold-up time of 119 milliseconds. This unit measures 36 mm in width, 90 mm in height, and 91 mm in depth, and weighs 270 grams.
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Product Description:
The PS1111-2403-0000 is a DIN-rail power supply produced by Beckhoff and assigned to the PS Power Supplies series. The unit converts 230 VAC input power into stabilized 24 V DC required by PLCs, I/O terminals, and sensors in automated machinery. Its compact housing allows installation in control panels where reliable low-voltage distribution is fundamental for logic circuitry, valve islands, and signal-conditioning modules. By delivering regulated energy, the device isolates sensitive electronics from line disturbances and helps maintain consistent machine operation. Its DIN-rail format also supports orderly panel layouts by placing the power source close to the devices it supplies.
At full load, the supply reaches an efficiency of 93.8%, so only a small share of input power is converted into heat, which eases cabinet cooling requirements. Its continuous power capability is rated at 90 W, obtained by providing a nominal output of 24 VDC at up to 3.8 A. The internal regulator is factory-set to 24.1 V DC to offset wiring drops and keep field devices inside their tolerance window. During line interruptions, the energy stored in the bulk capacitors maintains output for 119 ms at 230 VAC input, allowing controllers to complete orderly shutdown steps before voltage collapses. That reserve time is useful when the connected control system needs a brief interval to save state data or switch outputs to a safe condition.
On energization, the capacitors draw an inrush of 40 A pk, a value that should be considered when selecting upstream breakers or relay contacts. Once operating, dissipation is limited to 6.0 W, reducing temperature rise even when the ambient reaches the allowable ceiling of +70 °C. The supply measures 36 mm in width, 91 mm in depth, and 90 mm in height, so the modest front dimension conserves rail space for neighboring modules. The narrow profile also helps preserve clear access to nearby terminal blocks and I/O slices. Screw terminals accept conductors up to 4 mm², and the assembly weight of 270 g keeps handling straightforward during installation.
