As the distribution line could be between 575v to 120v and the required electric voltage might be even lower than that, such as 24v, in such cases step down transformers or DC power supplies step down the voltage to the required level of the electrical control panel to run the system safely and at the levels the control devices are designed to use. The electric control panel has step-down transformers that step down incoming power line voltage into the required voltage of the electric component. Some versions may also protect against thermal heat, in case a high that designed current is being drawn though the wires but not at the level of a short circuit. The use or application of a branch circuit breaker depends on the type of circuit breaker being used, but commonly it plays an intermediate role to protect the electric devices from power line fault currents by automatically disconnecting the circuit. It is a mechanical structure that allows an operator to connect or disconnect the electrical devices from the feeding power line. It is a connecting point between a feeder circuit breaker and a branch circuit. The power line to the main circuit breaker can be of any distribution level voltage depending on the load application. The use or application of the main circuit breaker depends on the type of circuit breaker being used, but commonly it plays an intermediate role to protect the electric panel system from power line fault currents by automatically disconnecting the system. It is a mechanical structure that allows an operator to connect or disconnect the electrical control panel or power system from the power line. It is a connecting point between the incoming power line and the electric control panel. The above-defined components make the structure of the electric control panel that provides safe housing for all of the electrical components, which include: 1. Electrical Control Panel – Electrical Components This is a time-saving item so that each component does not need to be individually mounted to the back panel. Components easily snap on and can slide on the rail to any position required. A removable lid is snapped to the top to protect and hide the wire runs underneath to give the electrical panel a clean, finished look.ĭin Rail is a metallic strip used to hold many electrical components. They have either wide or thin fingers on the sides that allow wire to exit and be connected to an electrical component. The wire ducts are usually made of plastic. Another crucial component in back panels is wire ducts that allow connectivity of equipment with electric power in a mannered way and makes the process of maintaining and troubleshooting easier by giving a clear view of conductor lines. DIN rails are an essential part of the back panel that provides housing and fitting structure for electric equipment that gives structural support within the enclosure. It either has mounting holes, or one can drill holes for fitting-in electric equipment. The back panel is a metallic sheet housed inside the enclosure that provides actual housing and connectivity to electric equipment in an electrical control panel. These ratings get decided by the NEMA classification of the electrical control panel after safety and IP testing. The enclosures have printed plate that shows the specification of the usage limits for the electric control panel, such as whether it could get used for indoor applications or outdoor applications, waterproof, dustproof, hazardous condition rating, and explosion-proof rating. Its job is to house all equipment within it and provide electrical safety to the equipment from outdoor conditions, where its size depends on the required job. They are: The EnclosureĮnclosure in the control panel plays the role of its body, which is a metallic box made mostly either from aluminum or stainless steel. There are two fundamental structural components of this type of panel. The structure of the electrical control panel gets designed in a way to house maximum electric equipment within its boundaries, keeping all running systems safe. Electrical Control Panel – Structural Components An electrical control panel provides the fastest and easiest method of troubleshooting and clearing issues, and multiple protection devices within an electrical control panel give safety to the whole power system of a specific power system. It gives an operator full access to the whole electric system of a specific location within one large electric board, and with that access, operators can monitor and maintain the entire electric power system. An electrical control panel is a metallic box that allows the person to control all electric equipment, appliances, and circuits mechanically by using electric energy.
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