GB/T 18802.352-2022 Active National standards

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)

Publish Date: 2022-12-30 Implement Date: 2023-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 18802.352-2022

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Power transmission and transformation equipment

ICS Name: Substations, surge arrestors

Publish Date: 2022-12-30

Implement Date: 2023-07-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国避雷器标准化技术委员会(SAC/TC 81)

Pages: 20 pages

Scope

本文件包含了电涌隔离变压器(SIT)的应用，适用于信号电压峰峰值不大于400 V的电信变压器。这类变压器在输入和输出绕组间有无屏蔽时都具有较高的额定冲击耐受电压。SIT作为电涌防护元件，用来抑制共模电涌向前传播。本文件介绍了SIT的选择、应用原则及相关信息。本文件不包含电力线路通信变压器的相关内容。