T/ZZB 2545-2021 Preload Limiting Safety Belts
T/ZZB 2545-2021 Preload Limiting Safety Belts
Basic Information
Scope
Main technical content: This document specifies the terms and definitions, structure, basic requirements, technical requirements, test methods, inspection rules, markings, user manuals, packaging, transportation, storage, installation requirements on vehicles, and quality commitments for pre-tensioned limited-force automotive seat belts (hereinafter referred to as seat belts). This document applies to: — M and N-class vehicles equipped with seat belts and restraint systems for adult passengers installed on forward-facing or rear-facing seats as independent equipment; — M and N-class vehicles equipped with seat belts and restraint systems for adult passengers installed on forward-facing or rear-facing seats as independent equipment; — M1 and N1-class vehicles equipped with child restraint systems and ISOFIX child restraint systems; — M1-class vehicles equipped with seat belt reminder devices.