DIN EN 60335-2-49-2009
家用和类似用途电器 安全性 第2-49部分:商用电加热柜的特殊要求
Household and similar electrical appliances - Safety - Part 2-49: Particular requirements for commercial electric appliances for keeping food and crockery warm, (IEC 60335-2-49:2002 + A1:2008); German version EN 60335-2-49:2003 + Corrigendum 2007 + A1:200