This standard specifies the terms and definitions, product classification, basic requirements, technical requirements, test methods, inspection rules, markings, instructions for use, packaging, transportation, storage and quality of portable high-efficiency electric marine thrusters (hereinafter referred to as "propellers"). ensure. This standard applies to the design, production and use of propellers for small ships below 6 m traveling on inland rivers, lakes and coastal areas.
T/ZZB 0252-2017 history
2017T/ZZB 0252-2017 Portable propeller with high efficiency motor for small vessel