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Search Home >> Standards Wordwide >> Chinese Standards(GB) >> GB/T 18802.21-2004 Low-voltage surge protective devices--Part 21:Surge protective devices connected to telecommunications and signalling networks--Performance requirements and testing methods

GB/T 18802.21-2004 Low-voltage surge protective devices--Part 21:Surge protective devices connected to telecommunications and signalling networks--Performance requirements and testing methods

Standard Number:  GB/T 18802.21-2004
Title:  Low-voltage surge protective devices--Part 21:Surge protective devices connected to telecommunications and signalling networks--Performance requirements and testing methods
Language:  Simplified Chinese
Publication Date:  2004/2/4
Execute Date:  2004/6/1
Revocatory Date:  2016/9/1
Status:  Current
Standard Type:  Method
Publisher:  Chinese Standards(GB)
Price:52.80  
Number of Pages:44  

Description:This section applies to transient overvoltage by lightning or other direct or indirect effects of telecommunications and signal network for protection of surge protector (hereinafter referred to as the SPD - surgeprotectivedevice). The SPD's role is to connect to the system nominal voltage ac 1000 v (RMS) is the highest, dc 1500 v telecoms networks and signaling network of modern electronic equipment protection.  
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  389KB
Tile in English:  Low-voltage surge protective devices--Part 21:Surge protective devices connected to telecommunications and signalling networks--Performance requirements and testing methods

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