Power & Protection

A power supply in general terms is an electrical device for supplying power to an electrical load. Its primary function is to convert the source current into the correct current, frequency and voltage for the load, and is therefore sometimes called a converter. They are constructed as stand-alone items or built into whatever appliance they are supplying, such as consumer electronics devices and computers, and are powered by direct input from an energy source or storage device such as a battery.

Circuit Breakers Fuses Power Supplies Switches Transformers
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Power supplies can have several other functions, such as applying safety-related limits on current, disconnection in the case of an electrical fault, power-factor correction, and power conditioning to prevent voltage surges or electronic noise from reaching the load. A power supply can also store up energy so it may continue functioning if the source power is interrupted. More recent developments allow power supplies to operate on wireless transfer of energy, requiring no hardwired connections.

A transformer is a static device which converts AC electricity from one voltage to another, usually without changing frequency or losing much of the power. It plays a vital role in the transmission of power, and comes in two forms, the step up version which converts low voltage power to a higher voltage, and the step down which does the opposite.

At Rowse Automation we can supply a wide variety of Power Supplies and Transformers, enabling cost-effective and safe supply and conversion for every application.

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