RAC45-24SG/OF

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AC/DC converters are essential components of many forms of electronic gear, fulfilling the need to convert AC line voltage into the higher currents and lower voltages necessary for proper operation of electronic and computer equipment. The RAC45-24SG/OF is an AC/DC converter built by Elkin Electronics, Inc. that helps to solve this problem. This unit features high-efficiency performance, a variable output, and multiple protections to help prevent damage.

Construction and Specifications

Designed to be used in applications such as industrial control systems, telecommunications, and medical applications, the RAC45-24SG/OF is rated to handle up to a 45-amp load. It also features adjustable output parameters, enabling it to be used in a wide range of applications. It is a fully enclosed unit, with an external power switch and fuses installed for safety, and is rated for -40 to +70°C operating temperature. The unit is UL, CE, and RoHS certified.

Working Principle

The RAC45-24SG/OF is a self-regulating, switch-mode AC/DC converter designed to provide an output voltage of 24 Volts DC at 45 Amps of continuous current output. It is a flyback topology type of converter, meaning that it converts the Alternating Current energy from the AC mains to Direct Current energy at the required output voltage. This is accomplished through a process called rectification, where a four diode bridge is used to convert the AC voltage into DC, resulting in a rectified DC voltage.

Once rectified, the voltage is then filtered into a smooth DC voltage using a capacitor. The capacitor used for this purpose has to be much larger than the electrolytic capacitors used in other types of power supplies. After this, the DC voltage is fed into a switching power converter stage. This stage works by rapidly switching the DC voltage in order to produce an AC voltage waveform, which is then converted back to DC and filtered for a higher voltage output than the original DC input. This is what is called a ‘switched-mode’ power supply, and is the principle behind the RAC45-24SG/OF.

Protection

The RAC45-24SG/OF features a number of internal protections that help it to run safely and reliably. These include over-voltage protection, over-current protection, short-circuit protection, and thermal protection. The unit also incorporates features such as soft-start, which helps to reduce inrush current and power up more efficiently, as well as input EMI filtering for noise reduction.

Conclusion

The RAC45-24SG/OF is a self-regulating, switch-mode AC/DC converter designed to provide an output voltage of 24 Volts DC at 45 Amps of continuous current output. This highly-efficient design features adjustable output parameters and a range of internal protection features to help ensure safe operation. It is ideal for applications in industrial control systems, telecommunications, and medical applications.

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