Household and similar electrical appliances - Safety, Part 2.90: Particular requirements for commercial microwave ovens
家用和类似用途电器.安全 第2.90部分:商用微波炉的特殊要求
Deals with the safety of microwave ovens with a cavity door intended for commercial use, their rated voltage being not more than 250 V for single-phase appliances connected between one phase and neutral and 480 V for other appliances.