行业组件数据 · 2026

支撑绝缘子

Support insulators are electrical insulation components that mechanically support and electrically isolate horizontal busbars in power distribution systems.

技术定义与适配语境
典型 支撑绝缘子 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。

Support insulators are specialized electrical insulation devices designed to provide both mechanical support and electrical isolation for main horizontal busbars in industrial power distribution systems. These components prevent electrical current leakage, maintain proper spacing between conductors and grounded structures, and ensure structural stability under various operational conditions including thermal expansion, vibration, and short-circuit forces.

组件规格

定义
Support insulators are specialized electrical insulation devices designed to provide both mechanical support and electrical isolation for main horizontal busbars in industrial power distribution systems. These components prevent electrical current leakage, maintain proper spacing between conductors and grounded structures, and ensure structural stability under various operational conditions including thermal expansion, vibration, and short-circuit forces.
工作原理
Support insulators operate on the principle of dielectric insulation, utilizing high-resistance materials to prevent electrical current flow between the busbar and supporting structure. They provide mechanical stability through compressive strength while maintaining electrical isolation through material properties that withstand high voltage gradients without breakdown.
材料
High-alumina porcelain (95-99% Al2O3)glass-reinforced epoxy resinsilicone rubber compositeor cycloaliphatic epoxy with mineral fillers. Materials must have dielectric strength >12 kV/mmtracking resistance >600 Vand comparative tracking index (CTI) >600.
Height
150-400 mm
Rated Voltage
Up to 36 kV
Mechanical Load
8-20 kN (compressive)
Creepage Distance
300-600 mm depending on pollution class
Temperature Range
-40°C to +120°C
Insulation Resistance
>1000 MΩ at 500 V DC
标准
ISO 14617DIN 43671IEC 60672ANSI C29.1

行业分类与别名

支撑绝缘子 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

Surface contamination accumulation->Tracking and flashover->Regular cleaning, use of hydrophobic coatings, adequate creepage distance design
Thermal stress from load cycling->Material cracking and insulation breakdown->Proper thermal expansion allowance, use of materials with matched coefficients, temperature monitoring
Mechanical vibration->Fatigue cracking and loosening->Vibration damping mounts, proper torque specifications, regular inspection

工业生态与工程逻辑

0
Electrical breakdown due to contamination
1
Mechanical failure under short-circuit forces
2
Thermal degradation from overload conditions
3
Cracking from thermal cycling

合规与检测

tolerance
±2% on creepage distance, ±5% on mechanical strength, dimensional tolerance per ISO 2768-m
test method
Dielectric withstand test (AC/DC), mechanical load test, thermal cycling test, pollution test per IEC 60507

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 support insulators in busbar systems?

Support insulators provide both mechanical support to hold busbars in position and electrical insulation to prevent current leakage to grounded structures, ensuring safe and reliable power distribution.

How do I select the right support insulator for my application?

Consider rated voltage, mechanical load requirements, environmental conditions (pollution class), temperature range, and compliance with relevant standards like IEC 60672 or DIN 43671.

What maintenance is required for support insulators?

Regular visual inspection for cracks or contamination, periodic cleaning in polluted environments, and insulation resistance testing every 1-2 years depending on operating conditions.

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: 支撑绝缘子

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。

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URN:CNFX:ME:UNIT:SUPPORT_INSULATORS