行业组件数据 · 2026

一次导体穿通件

Insulated pass-through component for primary conductors in differential current transformers

技术定义与适配语境
典型 一次导体穿通件 会按材料、尺寸公差、适配关系和失效风险在 电气设备制造 中评估。

A specialized electrical insulation component designed to safely pass primary conductors through the magnetic core of a differential current transformer while maintaining electrical isolation, preventing short circuits, and ensuring accurate current measurement by containing the magnetic field within the transformer structure.

组件规格

定义
A specialized electrical insulation component designed to safely pass primary conductors through the magnetic core of a differential current transformer while maintaining electrical isolation, preventing short circuits, and ensuring accurate current measurement by containing the magnetic field within the transformer structure.
工作原理
Provides a controlled path for primary conductors to pass through the transformer's magnetic core aperture while maintaining dielectric strength and preventing eddy current losses through proper insulation and material selection, ensuring the primary current induces a proportional secondary current without interference.
材料
High-grade electrical insulating materials such as epoxy resinporcelainor silicone rubber with flame-retardant propertiesmay include embedded metallic shielding or grading rings for high-voltage applicationsrated for continuous operation at specified temperature classes (e.g.Class F: 155°C).
IP Rating
IP65 or higher
Rated Current
100 A to 5000 A
Rated Voltage
Up to 36 kV
Creepage Distance
≥20 mm/kV
Dielectric Strength
Withstands 2*Un + 1 kV for 1 minute
Insulation Resistance
>1000 MΩ at 500 V DC
Operating Temperature
-40°C to +155°C
标准
IEC 61869IEEE C57.13DIN EN 60044

行业分类与别名

一次导体穿通件 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Contamination or moisture ingress->Reduced insulation resistance and dielectric breakdown->Use sealed designs with desiccants and regular insulation testing
Overcurrent or thermal cycling->Material cracking or delamination->Implement temperature monitoring and adhere to rated current limits
Improper installation alignment->Mechanical stress on conductors or insulation->Follow manufacturer torque specifications and alignment guides

工业生态与工程逻辑

0
Electrical insulation failure leading to short circuits
1
Thermal degradation under overload conditions
2
Mechanical damage during installation

合规与检测

tolerance
±0.5% for accuracy class 0.5, ±1% for class 1 per IEC 61869
test method
Partial discharge testing, dielectric withstand test, insulation resistance measurement

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the main function of a primary conductor pass-through?

It safely insulates the primary conductor as it passes through the transformer core, preventing electrical faults and ensuring accurate current measurement.

Can it be used in outdoor environments?

Yes, if designed with appropriate IP ratings and UV-resistant materials for outdoor durability.

How does it affect transformer accuracy?

Proper design minimizes magnetic field distortion and eddy currents, maintaining measurement accuracy per IEC 61869 standards.

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

CNFX Industrial Component Index · 电气设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 一次导体穿通件

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

谢谢,信息已发送。
谢谢,信息已收到。

需要制造 一次导体穿通件?

对比具备该组件加工或装配能力的制造商资料。

创建制造商档案 联系我们
上一个组件
Y电容(线对地)
下一个组件
一次绕组/导体
URN:CNFX:ME:UNIT:PRIMARY_CONDUCTOR_PASS_THROUGH