Rated Voltage

Rated Voltage is the normal operating voltage specified in the design of electrical equipment or components. It is usually marked on the nameplate, specification sheet, or product body, indicating that the equipment can operate safely and stably at this voltage and meet the specified performance indicators. In foreign trade, rated voltage is one of the core technical parameters, directly related to product applicability, safety certification (such as CE, UL, CCC), and the power grid standards of the target market. For example, exports to Europe need to match 230V/50Hz, and exports to the United States need to match 120V/60Hz. If the rated voltage does not match, it may cause equipment damage, performance degradation, or failure to pass customs and certification. Usage scenarios include: contract technical annexes, proforma invoices, packing lists, product manuals, and quality acceptance clauses. Precautions: It is necessary to clarify whether the rated voltage is alternating current (AC) or direct current (DC), single-phase or three-phase, and the allowable deviation range (such as ±10%), and to distinguish rated voltage from working voltage, insulation voltage, test voltage, etc. Rated voltage focuses on the design value, working voltage is the actual operating value, insulation voltage involves safety level, and test voltage is used for withstand voltage tests; they must not be confused. Foreign trade practitioners should accurately specify the rated voltage in quotations and contracts to avoid returns, claims, or certification failures caused by voltage mismatch.