GB 7251.2-1997
Replaced
T/ZZB 0150-2021
Active
Group standards
T/ZZB 0150-2021 Multi-function switchable switch
T/ZZB 0150-2021 Multi-function switchable switch
Price:
$ 20.00
Basic Information
Standard Code:
T/ZZB 0150-2021
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Low-voltage electrical equipment
ICS Name:
Low-voltage switchgear and controllers
Publish Date:
2021-11-26
Implement Date:
2021-12-26
Pages:
19 pages
Scope
Main technical content: This document specifies the terms, definitions, symbols and codes, product types and characteristics, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments of multi-functional conversion switches (hereinafter referred to as conversion switches). This document is applicable to direct-drive switches used for converting electrical control circuits (controlling electromagnetic coils) at AC 50Hz or 60Hz, with a rated voltage not exceeding 400V, and DC voltages not exceeding 220V, as well as conversion switches for directly starting the energy storage mechanism of electric motors.
Development Information
Related Standards
GB/T 11022-1999
Replaced
GB/T 11022-1999 Common specifications for high-voltage switchgear and control gear standards
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
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
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
GB 14048.4-2003
Replaced