2025-12-21 10.8.118.215
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 18802.31-2021 Low-voltage surge protective devices -- Part 31: Surge protective devices connected to photovoltaic installations -- Requirements and test methods 800.0 via email in 1~5 business day valid,,2021-10-1
GB/T 18802.32-2021 Low-voltage surge protective devices—Part 32: Surge protective devices connected to photovoltaic installations—Selection and application principles 585.0 via email in 1~5 business day valid,,2021-10-1
DL/T 2239-2021 Test specification for substation inspection robots 285.0 via email in 1~3 business day valid,,2021-7-1
GB/T 18802.11-2020 Low-voltage surge protective devices (SPD)—Part 11:Surge protective devices connected to low-voltage power systems—Requirements and test methods 1275.0 via email in 1~10 business day valid,,2021-7-1
GB/T 17467-2020 High-voltage/low-voltage prefabricated substation 1230.0 via email in 1~10 business day valid,,2020-10-1
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 930.0 via email in 1~10 business day valid,,2020-7-1
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) 375.0 via email in 1~5 business day valid,,2020-7-1
GB/T 37137-2018 On-site inspections method of a.c. circuit systems for 220 kV substations on plateau 550.0 via email in 1~5 business day valid,,2019-7-1
GB/T 24838-2018 1 100 kV high-voltage alternating-current circuit-breakers 1330.0 via email in 1~5 business day valid,,2019-4-1
GB/T 24837-2018 1 100 kV high-voltage alternating-current disconnectors and earthing switches 1050.0 via email in 1~5 business day valid,,2019-4-1
GB/T 24845-2018 Specification of metal-oxide surge arresters without gaps for 1 000 kV a.c. system 360.0 via email in 1 business day valid,,2019-2-1
GB/T 24836-2018 1 100 kV gas-insulated metal-enclosed switchgear 990.0 via email in 1~5 business day valid,,2019-2-1
GB/T 18802.312-2017 Components for low-voltage surge protective devices—Part 312: Selection and application principles for gas discharge tubes(GDT) 310.0 via email in 1~5 business day valid,,2018-7-1
GB/T 18802.311-2017 Components for low-voltage surge protective devices—Part 311: Performance requirements and test circuits for gas discharge tubes(GDT) 370.0 via email in 1~5 business day valid,,2018-5-1
T/CEC 161-2018 Technology guidelines for operation and maintenance of robot inspection system in substation via email in business day valid,,2018-4-1
T/CEC 160-2018 Technology guidelines for robot inspection system centralized monitoring in substation via email in business day valid,,2018-4-1
T/CEC 159-2018 Technology specification for expansion interface of robot inspection system in substation via email in business day valid,,2018-4-1
GB/T 33977-2017 Methods to quantify the steady state, power-frequency electromagnetic fields generated by HV switchgear assemblies and HV/LV prefabricated substations 550.0 via email in 1~5 business day valid,,2018-2-1
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 340.0 via email in 1~5 business day superseded,2021-10-1,2016-9-1
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 750.0 via email in 1~5 business day valid,,2016-9-1
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GB/T 18802.31-2021 Low-voltage surge protective devices -- Part 31: Surge protective devices connected to photovoltaic installations -- Requirements and test methods 
  Issued on: 2021-03-09   Price(USD): 800.0
GB/T 18802.32-2021 Low-voltage surge protective devices—Part 32: Surge protective devices connected to photovoltaic installations—Selection and application principles 
  Issued on: 2021-03-09   Price(USD): 585.0
DL/T 2239-2021 Test specification for substation inspection robots 
  Issued on: 2021-01-07   Price(USD): 285.0
GB/T 18802.11-2020 Low-voltage surge protective devices (SPD)—Part 11:Surge protective devices connected to low-voltage power systems—Requirements and test methods 
  Issued on: 2020-12-14   Price(USD): 1275.0
GB/T 17467-2020 High-voltage/low-voltage prefabricated substation 
  Issued on: 2020-03-31   Price(USD): 1230.0
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 
  Issued on: 2019-12-10   Price(USD): 930.0
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) 
  Issued on: 2019-12-10   Price(USD): 375.0
GB/T 37137-2018 On-site inspections method of a.c. circuit systems for 220 kV substations on plateau 
  Issued on: 2018-12-28   Price(USD): 550.0
GB/T 24838-2018 1 100 kV high-voltage alternating-current circuit-breakers 
  Issued on: 2018-09-17   Price(USD): 1330.0
GB/T 24837-2018 1 100 kV high-voltage alternating-current disconnectors and earthing switches 
  Issued on: 2018-09-17   Price(USD): 1050.0
GB/T 24845-2018 Specification of metal-oxide surge arresters without gaps for 1 000 kV a.c. system 
  Issued on: 2018-07-13   Price(USD): 360.0
GB/T 24836-2018 1 100 kV gas-insulated metal-enclosed switchgear 
  Issued on: 2018-07-13   Price(USD): 990.0
GB/T 18802.312-2017 Components for low-voltage surge protective devices—Part 312: Selection and application principles for gas discharge tubes(GDT) 
  Issued on: 2017-12-29   Price(USD): 310.0
GB/T 18802.311-2017 Components for low-voltage surge protective devices—Part 311: Performance requirements and test circuits for gas discharge tubes(GDT) 
  Issued on: 2017-11-01   Price(USD): 370.0
T/CEC 161-2018 Technology guidelines for operation and maintenance of robot inspection system in substation 
  Issued on: 2018-01-24   Price(USD):
T/CEC 160-2018 Technology guidelines for robot inspection system centralized monitoring in substation 
  Issued on: 2018-01-24   Price(USD):
T/CEC 159-2018 Technology specification for expansion interface of robot inspection system in substation 
  Issued on: 2018-01-24   Price(USD):
GB/T 33977-2017 Methods to quantify the steady state, power-frequency electromagnetic fields generated by HV switchgear assemblies and HV/LV prefabricated substations 
  Issued on: 2017-07-12   Price(USD): 550.0
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 
  Issued on: 2016-02-24   Price(USD): 340.0
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 
  Issued on: 2016-02-24   Price(USD): 750.0
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