What is the accepted maximum voltage difference between the nameplate voltage and the supplied voltage?

The accepted maximum voltage difference between the nameplate voltage and the supplied voltage is typically ±10%. This standard is rooted in the need to ensure that electrical equipment operates safely and efficiently within its designed specifications. Operating outside of this range can lead to decreased performance, increased wear and tear on components, potential overheating, and may even pose safety hazards.

A ±10% variance allows for adequate flexibility when accounting for fluctuations in supply voltage, which can be caused by various factors, such as load changes or power supply stability. Keeping the difference at this level helps prevent electrical issues and ensures that devices function correctly under normal operating conditions.

In contrast, broader tolerances like ±15% or ±20% can increase the risk of malfunctioning equipment and may not comply with manufacturer specifications or safety regulations. Staying within the ±10% margin is therefore crucial for maintaining operational reliability and safety in commercial food equipment applications.