Despite its small size, a surge arrester has a very important function - it protects the electrical system and the equipment connected to it from the consequences of surges. Every year, new electrical...
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Electric voltage is referred to as the difference in electrical potentials that exist between two points in a circuit or electric field. This value is referred to by the symbol U. Voltage is the most ...
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There are many components to an electrical system, and one of them should be a residual current circuit breaker. This applies not only to a newly built system, but also to an upgraded one. This type o...
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In residential buildings, one of the key components of any electrical system is an overcurrent circuit breaker. Among other things, it is designed to counteract electrical overload. In modern rooms, m...
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Electrician deals with installation, repair and maintenance of electrical systems. This profession requires not only mastering the ability to design according to technical standards, perform inspectio...
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Electrician's work is a big challenge. Everyday he or she interact with electrical installations and current. This requires focus and attention as well as constant observance of the safety standards. ...
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Devices located in control cabinets release significant amount of heat as a result of their operation. This might be amplified by small volumes of the cabinets. Situation like these may lead to overhe...
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In order to provide optimum functioning of telecommunication installations they must be protected against adverse external conditions - among other things weather conditions. Telecommunication cabinet...
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At present, CNC technologies (Computerized Numerical Control) are one of the most precise machining methods, and they owe their accuracy to computer control. CNC means therefore computer control of nu...
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Substations are used wherever there is a transfer of electricity from the grid to the end user. It's worth knowing how such a substation works, what it's used for and what its types are. The most impo...
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Cable connectors are elements used in virtually any type of installation. So we have a huge amount of them in production and use. Like all other devices, these also wear out over time. Worn-out elemen...
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Control cabinets are used in various environments. Their task is to protect equipment, control systems and switchgears located inside from harmful external conditions. These may include not only chemi...
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Control cabinets are perfect solution to arrange differentiated and frequently complicated instrumentation. Usually, it houses electrical, electronic, electromechanical, pneumatic and programmable dev...
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Control cabinet is a necessary element of industrial power systems and it is used to arrange and systematize instrumentation composing the system. Correct functioning of the measurement instrumentatio...
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Szafy sterownicze stały się obecnie nieodłącznym elementem systemów energetyki i automatyki. Powszechnie wykorzystuje się je do nadzoru pracy urządzeń, instalacji oraz ich podzespołów. Na sz...
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Control cabinets made of sheet steel are used in various industries. In most of them, the environment is neutral and the use of traditional materials without additional protection is sufficient. Howev...
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In a potentially explosive atmosphere, care must be taken to find proper conditions for the operation and assembly of equipment and its protection against overload. All these aspects affect the safety...
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The entry concerns selected issues related to low-voltage switchgear defined on the basis of IEC 61439 standard, as a set containing low-voltage switching devices equipped with a control, measurement,...
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The food industry is an atypical branch of the industry because its task is to produce food. Thus, the production companies in this sector must meet restrictive requirements. Employees must satisfy im...
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Correct maintenance of the control cabinet significantly affects safety of the systems and devices installed in it. Taking care of maintenance works ensures good protection of the supplied circuits an...
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In some industrial environments an explosive atmosphere may occur being a mixture of flammable substances that under specific atmospheric conditions and upon initiation of ignition may cause an explos...
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The control cabinets effectively protect sensitive electronic, electrotechnical and electrical components against negative impact of water, moisture, contamination, dust or aggressive vapours as well ...
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Control cabinets have a wide scope of applications and constitute a fundamental element of automation, electric engineering and power energy systems. They ensure adequate protection for sensitive comp...
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Ergonomics at every workplace is beneficial. First of all, it ensures safe and comfortable working while improving productivity. This principle also applies to the work of electrical fitters. It can b...
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Control desks are currently widely used in industry as a tool facilitating the control of machines. They are usually universal enough to be used with machines of various types that are utilized in dif...
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Ordering of the provisions on the installation and operation of switchgear forced the formulation of clearly defined standards. The most important of them is the PN-EN 61439 standard, specifying the r...
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