The International Electrotechnical Commission has released a new edition of IEC 60335-2-90. IEC 60335-2-90 ed3.2 Consol. with am1&2 applies to “Household and similar electrical appliances – Safety – Part 2-90: Particular requirements for commercial microwave ovens.” The new edition is available for purchase on the IEC’s website.
“IEC 60335-2-90:2006+A1:2010+A2:2014 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. It also deals with the safety of microwave ovens without a cavity door and with transportation means that are intended for commercial use only.”
*Description from IEC website