Standard number: SJ/T 9554.2-1993
Standard name: load switch with vacuum switch tube quality classification standards
Standard status: current
Implementation date: 1994-1-1
Source: /detail/101604.html
Standard number. GB/T 15184-1994
Standard name: approved by the ability to assess the quality of electronic equipment with switching power transformer sub-specification
Standard status: current
Implementation date: 1995-3-1
Department of promulgation: State Bureau of Technical Supervision
Explanation of the content: This specification specifies that according to GB/T 14860 "communication and electronic equipment with transformers and inductors general specification" stipulates the ability to approve the release of the switching power transformer detailed specification preparation method. This specification also specifies the corresponding rated value and special value. This specification provides for the pieces and work in the switching state of the semiconductor device connected to transmit power, its input waveform for sinusoidal or non-sinusoidal, symmetrical or asymmetrical waveform.
Source: /detail/54926.html
Previous Download:/upload/qy/yn/GB-T 15184-19941.pdf
Standard No.: SN/T 1369-2004
Standard Name: Import and Export of Household and Similar Uses Lighting Switches Inspection Specification
Standard Status: Current
Implementation Date: 2004-12-1
Promulgation Department: The Chinese People's **** and the State General Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard specifies the import and export of household and similar lighting switches and technical performance of the safety requirements of the inspection of the sampling, test items, test methods and test results. Judgment. This standard applies to the import and export of indoor lighting switch test, including fixed lighting wall switch and mobile lighting switch. The maximum working voltage of the switch is not more than 440V, the rated current is not more than 63A, and the ambient temperature is not more than +40℃ and not less than -35℃.
Source: /detail/108609.html