Electrical safety for business: a guide

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When we talk about electrical systems, we first of all pay attention to the safety of equipment and people. The occurrence of accidents in electrical equipment always has negative consequences: damage to devices, stopping technological processes, loss of finished products and raw materials, threat to human health, etc. In any case, avoiding safety problems in electrical equipment significantly improves the results of the enterprise's work.

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Let's start with the basics. To power most industrial and commercial consumers, 0.4 kV networks are special database used (0.69 kV networks are rarely found). It is the voltage class that determines the requirements for the safe construction and operation of electrical equipment. The voltage class will also determine the standards and regulatory documents that apply to this equipment. In Ukraine, there are regulatory documents that have remained from Soviet times: PBEES, PTEES and PUE. Their provisions are mandatory when assembling any electrical equipment .

Safety standards

Now to the standards that are not yet mandatory in our country. The European standard EN 61439 deserves the most attention. This is a standard directly devoted to the safety requirements of low-voltage switchgear. It regulates the construction, testing requirements, a list of mandatory equipment, etc. Usually, without confirmation of compliance with this standard in Europe, it is impossible to put a switchgear into operation.