TB/T 2993.3-2000
-48V high frequency switching rectifier equipment for railway communication station (English Version)
- Standard No.
- TB/T 2993.3-2000
- Language
- Chinese, Available in English version
- Release Date
- 2000
- Published By
- Professional Standard - Railway
- Status
- 2016-09
- Replace By
- TB/T 2993.4-2016
- TB/T 2993.3-2016
- Latest
- TB/T 2993.4-2016
- TB/T 2993.3-2016
- Scope
- This standard specifies the general technical requirements, test methods and instruments, sampling, inspection rules and marking, packaging, transportation and storage of 48V high-frequency switching rectifier equipment (hereinafter referred to as "rectifier equipment") used in railway communication stations. This standard applies to rectifier equipment composed of low-voltage electrical appliances and electronic devices with an AC rated voltage of 220/380V, a DC rated voltage of -48V, and a standard frequency of 50Hz.
TB/T 2993.3-2000 history
- 2016 TB/T 2993.4-2016 Railway communication power supply.Part 4:High frequency switching rectifier equipment for communication
- 2000 TB/T 2993.3-2000 -48V high frequency switching rectifier equipment for railway communication station
TB/T 2993.3-2000 -48V high frequency switching rectifier equipment for railway communication station was changed to TB/T 2993.4-2016 Railway communication power supply.Part 4:High frequency switching rectifier equipment for communication.
