This document specifies the product classification, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments for membrane electric heating elements (hereinafter referred to as "elements") for household and similar liquid heaters. This document applies to membrane electric heating elements with single-phase voltages not exceeding 250 V and three-phase voltages not exceeding 480 V, used in liquid heaters for household and similar purposes.
T/ZZB 2835-2022 history
2022T/ZZB 2835-2022 Filmwise electric heating elements used for household and similar liquid heaters