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<p>Current transformers or (CT&#146;s), also known as Core Balance Current Transformers or Current Transducers, are instruments that are used to reduce or multiply the current from a high current into a lower current or vice versa. This is done so that the power can then be easily managed by Relays and measurement tools for electrical circuits and processes. Current Transformers consist of a core, a primary and a secondary winding.</p><p>RS offer an extensive range of highly accurate Core Balance Current Transformers in various transformer types, current ratings, CT ratio supply voltages and mounting types to suit every application. Supplied by industry-leading brands including Siemens, Murata Power Solutions LEM and of course RS PRO.</p><h2>How does a current transformer work?</h2><p>When an alternating current flows through the primary winding, a magnetic flux is created which then induces an alternating current in the secondary winding. This alternating current is proportional to the current in its primary. Current transformers are also known as a &#147;step-down transformer&#148;. Once the current has been reduced it can be safely monitored and measured using an <a href="https://uk.rs-online.com/web/c/automation-control-gear/process-control/ammeters/" target="_blank">Ammeters</a></p><h3>Types of current transformer</h3><h3>Toroidal Current Transformer</h3><p> - These transformers are shaped like a doughnut they do not contain a primary winding. Instead, the line that carries the current flowing in the network is threaded through a window or hole in the toroidal transformer. Toroidal transformers offer high efficiency with minimal excess noise and little excess leakage inductance.</p><h3>Wound Current Transformer</h3><p> -The transformers primary winding is physically connected in series with the conductor that carries the measured current flowing in the circuit. The magnitude of the secondary current is dependent on the turn&#146;s ratio of the transformer.</p><h3>Bar-type Current Transformer</h3><p> – This type of current transformer uses the actual cable or bus-bar of the main circuit as the primary winding, which is equivalent to a single turn. They are fully insulated from the high operating voltage of the system and are usually bolted to the current-carrying device.</p><h2>Where would I use a Current Transducer?</h2><p>CTs are used in a wide range of industrial and commercial measurement applications. Some of the most common are:</p><ul><li>Generating Stations</li><li>Electrical Substations</li><li>Commercial Electric</li><li>Power Distribution</li><li>Electrical Panels</li></ul><p>Browse the broad range of Current Transformers RS have to offer and order today for next day delivery.</p>

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Current Transformer & Current Transducers | RS 

Current Transformers

Buy ABB Current Transformers. Browse our latest &nbsp;ABB Current Transformer offers. Free Next Day Delivery.

ABB Current Transformers| RS

<p>ABB is a leading supplier of current transformers. RS stocks a good range of ABB Current transformers and ranges such as CMS, CTPROXT, CT PRO XT SELV and CT MAX.</p>

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Split Core Current Transformers | RS

Buy Carlo Gavazzi Current Transformers. Browse our latest &nbsp;Carlo Gavazzi Current Transformer offers. Free Next Day Delivery.

Carlo Gavazzi Current Transformers| RS

<p>Carlo Gavassi is a leading supplier of current transformers. Carlo Gavazzi Current Transformers are available in various outputs, and most are DIN rail mountable. Carlo Gavazzi Current Transformers offer both standard and split core transformers for currents up to 2000 Amps for both cable and bus bar systems.</p>

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Honeywell Current Transformers | RS

<p>Honeywell is an experienced provider of current transformers, innovating superior solutions which have helped to establish the brand as a leader in the industry. Honeywell Sensing and Control dedicate a comprehensive selection of products to providing accurate current sensing devices at affordable costs. Expect excellence when you choose a Honeywell current transformer.</p><h2>What are current transformers?</h2><p>Current transformers are devices used in the measurement of power. As their name suggests, they transform current from a high current into a lower current that can be safely passed through conjunctive measurement equipment. The current enters the transformer and flows through a primary winding, creating a magnetic flux which induces a current in a secondary winding. The current in the secondary winding is lower, but as it's proportional it can be measured using an ammeter.</p><h2>Why are current transformers useful?</h2><p>Current transformers vary in capacity, with larger transformers used extensively throughout electricity networks. In these networks, power plants supply electricity at an extremely high voltage, which is passed through transformers before reaching domestic distribution. Current transformers of lower capacity are used in the manufacturing and testing of circuitry and components. </p><h2>Choosing a Honeywell current transformer</h2><p>When choosing a Honeywell current transformer, important considerations include input and output current, loop type, and supply voltage. Use the filters below to find the current transformer best suited to your specific requirement.</p>

Split Core Current Transformers

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