T/CQPRA 0158-2026 Active Group standards

T/CQPRA 0158-2026 Technical Requirements for Comprehensive Protection Power Distribution Box (JP Cabinet)

Publish Date: 2026-04-08 Implement Date: 2026-04-08 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/CQPRA 0158-2026

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Normal diagnostic instruments

ICS Name: Low-voltage switchgear and controllers

Publish Date: 2026-04-08

Implement Date: 2026-04-08

Scope

This document is applicable to the design selection, customized production, engineering installation, grid connection and commissioning, and daily intelligent operation and maintenance management of comprehensive protection-type distribution boxes for new construction, expansion, and upgrade projects in scenarios such as urban and rural power grid transformation, municipal road lighting, power distribution in industrial and mining enterprises, and outdoor power distribution in residential communities, where the rated AC frequency is 50Hz and the rated voltage is 0.4kV. This document specifies normative technical standards for the entire process of comprehensive protection-type distribution boxes (JP cabinets), including organizational and quality management requirements, cabinet structure and protection technology requirements, electrical performance and core component configuration, intelligent communication and operation and maintenance technology requirements, as well as testing and inspection and continuous quality improvement.

Development Information

Related Standards

GB 7251.2-1997 Replaced

GB 7251.2-1997 Low-voltage switchgear and control gear assemblies—Part 2:Particular requirements for busbar trunking systems(busways)

Publish Date: 1997-12-30

GB/T 11022-1999 Replaced

GB/T 11022-1999 Common specifications for high-voltage switchgear and control gear standards

Publish Date: 1999-10-10

GB/T 18858.1-2002 Replaced

GB/T 18858.1-2002 Low-voltage switchgear and control gear Controller-device interface(CDIs)—Part 1:General rules

Publish Date: 2002-10-08

GB/T 18858.3-2002 Replaced

GB/T 18858.3-2002 Low-voltage switchgear and control gear—Controller-Device interface(CDI)—Part 3:Device Net

Publish Date: 2002-10-08

GB/Z 18859-2002 Replaced

GB/Z 18859-2002 Enclosed low-voltage switchgear and controlgear Assemblies—Guide for testing under conditions of arcing due to internal fault

Publish Date: 2002-10-08

GB 14048.4-2003 Replaced

GB 14048.4-2003 Low-voltage switchgear and controlgear—Electromechanical contactors and motor-starters

Publish Date: 2003-09-10