GB 6450-1986
Replaced
T/QGCML 4842-2025
Active
Group standards
T/QGCML 4842-2025 Transformer Heat Sink Welding Device
T/QGCML 4842-2025 Transformer Heating Pad Welding Device
Price:
$ 20.00
Basic Information
Standard Code:
T/QGCML 4842-2025
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Transformers, reactors, and inductors
Publish Date:
2025-04-27
Implement Date:
2025-05-11
Scope
Main technical content: This document specifies the terms and definitions, classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of welding devices for transformer heat sinks. This document is applicable to the production and inspection of welding devices for transformer heat sinks
Development Information
Related Standards
GB/T 7449-1987
Replaced
GB/T 7449-1987 Guide to the lightning impulse and switching impulse testing of power transformers and reactors
GB 13028-1991
Abolished
GB 13028-1991 Isolating transformers and safety isolating transformers Requirements
GB/T 14006-1992
Active
GB/T 14006-1992 Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment—Part 1:Transformers and inductors using YEI-1 laminations
GB/T 14860-1993
Replaced
GB/T 14860-1993 Generic specification for transformers and inductors for use in telecommunication and electronic equipment
GB/T 15164-1994
Replaced