T/UNP 558-2025 Active Group standards

T/UNP 558-2025 MBB/0BB Solar Battery Module Laser Welding Technical Specifications

T/UNP 558-2025 Laser welding technical specification for MBB/0BB solar cell module

Publish Date: 2025-04-02 Implement Date: 2025-04-02 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/UNP 558-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: \nWelding process

Publish Date: 2025-04-02

Implement Date: 2025-04-02

Scope

Main technical content: This standard specifies the basic requirements, process requirements, and safety requirements for laser welding of MBB/0BB solar battery modules. The basic requirements cover equipment, materials, and personnel, such as ensuring that the laser welding equipment is stable and fully functional, and that materials like solar cells and welding tapes meet specific performance requirements. The process requirements include processes such as material loading, positioning, and welding, with clear ranges for welding parameters. Inspection aspects include examining the appearance, welding strength, and electrical performance, each of which has its own standards. Safety requirements involve laser, electrical, and mechanical safety, such as equipping with laser protection devices and regularly inspecting electrical circuits. Overall, it ensures welding quality and production safety, and promotes the standardized development of the industry.