| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 18802.21-2016 |
Low-voltage surge protective devices―Part 21: Surge protective devices connected to telecommunications and signaling networks―Performance requirements and testing methods |
$750.00 |
via email in 1~5 business day |
valid,,2016-9-1 |
|
| GB/T 18802.22-2008 |
Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application principles |
$650.00 |
via email in 1~3 business day |
abolished2020-07-01 ,2020-7-1,2009-11-1 |
|
| GB/T 18802.22-2019 |
Low-voltage surge protective devices -- Part 22: Surge protective devices connected to telecommunications and signalling networks -- Selection and application principles |
$930.00 |
via email in 1~10 business day |
valid,,2020-7-1 |
|
| GB/T 18802.31-2016 |
Low-voltage surge protective devices—Surge protective devices for specific application including d.c.—Part 31:Requirements and tests for SPDs in photovoltaic applications |
$340.00 |
via email in 1~5 business day |
superseded,2021-10-1,2016-9-1 |
|
| GB/T 18802.31-2021 |
Low-voltage surge protective devices -- Part 31: Surge protective devices connected to photovoltaic installations -- Requirements and test methods |
$800.00 |
via email in 1~5 business day |
valid,,2021-10-1 |
|
| GB/T 18802.311-2007 |
Components for low-voltage surge protective—Part 311:Specification for gas discharge tubes(GDT) |
$270.00 |
via email in 1~3 business day |
abolished2018-05-01,2018-5-1,2007-9-1 |
|
| GB/T 18802.311-2017 |
Components for low-voltage surge protective devices—Part 311: Performance requirements and test circuits for gas discharge tubes(GDT) |
$370.00 |
via email in 1~5 business day |
valid,,2018-5-1 |
|
| GB/T 18802.312-2017 |
Components for low-voltage surge protective devices—Part 312: Selection and application principles for gas discharge tubes(GDT) |
$310.00 |
via email in 1~5 business day |
valid,,2018-7-1 |
|
| GB/T 18802.32-2021 |
Low-voltage surge protective devices—Part 32: Surge protective devices connected to photovoltaic installations—Selection and application principles |
$585.00 |
via email in 1~5 business day |
valid,,2021-10-1 |
|
| GB/T 18802.331-2024 |
Components for low-voltage surge protection—Part 331: Performance requirements and test methods for metal oxide varistors (MOV) |
$750.00 |
via email in 1~5 business day |
valid,,2024-9-1 |
|
| GB/T 18802.351-2019 |
Components for low-voltage surge protective devices—Part 351:Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT) |
$375.00 |
via email in 1~5 business day |
valid,,2020-7-1 |
|
| GB/T 18802.352-2022 |
Components for low-voltage surge protection—Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs) |
$285.00 |
via email in 1~3 business day |
valid,,2023-7-1 |
|
| GB/T 18857-2002 |
Technical guide for live working in distribution line |
$430.00 |
via email in 1~5 business day |
superseded,2010-2-1,2003-4-1 |
|
| GB/T 18857-2008 |
Technical guide for live working in distribution line |
$480.00 |
via email in 1~3 business day |
superseded,2019-12-1,2010-2-1 |
|
| GB/T 18857-2019 |
Technical guide for live working on distribution line |
$550.00 |
via email in 1~5 business day |
valid,,2019-12-1 |
|
| GB/T 19185-2008 |
Calculation method of live working minimum approach distance on a.c.transmission line |
$150.00 |
via email in 1~3 business day |
valid,,2009-8-1 |
|
| GB/T 19262-2003 |
Microcomputer transformer protection equipment requirements |
$210.00 |
via email in 1~3 business day |
superseded,2009-3-1,2004-1-1 |
|
| GB/T 19663-2005 |
Terms for lighting protection of information system |
$874.00 |
via email in 1~5 business day |
superseded,2023-2-1,2005-6-1 |
|
| GB/T 19826-2014 |
General Specification and Safety Requirements for DC Power Supply Equipment of Power Projects |
$140.00 |
immediately |
valid,,2014-10-28 |
|
| GB/T 20996.2-2020 |
Performance of high-voltage direct current (HVDC) systems with line-commutated converters—Part 2:Faults and switching |
$630.00 |
via email in 1~5 business day |
valid,,2021-7-1 |
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