This document specifies the product classification, benchmark power consumption, energy efficiency grades, energy efficiency limit values and test methods of refrigerating appliances for medical, laboratory and similar purposes. This document applies to refrigerating appliances for medical, laboratory and similar purposes driven by hermetic motor compressors for specimen storage, with a volume not exceeding 1800 L, including medical or laboratory refrigerators, combined refrigerator-freezers and low-temperature storage freezers. This document does not apply to household refrigerators, pharmaceutical cool boxes, transit containers, cold warehouses and incubators equipped with refrigeration function.