T/CEEIA 391-2019 AC contactor
T/CEEIA 391-2019 AC contactor
Basic Information
Scope
Scope: This standard specifies the terms and definitions, basic requirements, product classification, characteristics, product information, normal use, installation and transportation conditions, structural and performance requirements, and testing of AC contactors. This standard applies to contactors with a frequency of 50 Hz or 60 Hz and a rated working voltage not exceeding 1,140 V AC. This standard does not apply to electro-pneumatic contactors. Main technical content: This standard specifies the terms and definitions, basic requirements, product classification, characteristics, product information, normal use, installation and transportation conditions, structural and performance requirements, and testing of AC contactors. This standard applies to contactors with a frequency of 50 Hz or 60 Hz and a rated working voltage not exceeding 1,140 V AC. This standard does not apply to electro-pneumatic contactors.