行业组件数据 · 2026

绝缘支撑件

Insulation support is a critical component in busbar systems that provides mechanical support and electrical insulation between busbars and grounded structures.

技术定义与适配语境
典型 绝缘支撑件 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。

An insulation support is a specialized component designed to securely hold busbars in position while maintaining proper electrical isolation from surrounding conductive structures. It prevents short circuits, reduces electrical leakage, and ensures safe operation by maintaining specified creepage and clearance distances. These supports are engineered to withstand mechanical stresses, thermal expansion, and environmental conditions while maintaining dielectric integrity.

组件规格

定义
An insulation support is a specialized component designed to securely hold busbars in position while maintaining proper electrical isolation from surrounding conductive structures. It prevents short circuits, reduces electrical leakage, and ensures safe operation by maintaining specified creepage and clearance distances. These supports are engineered to withstand mechanical stresses, thermal expansion, and environmental conditions while maintaining dielectric integrity.
工作原理
The insulation support functions by creating a physical barrier between the conductive busbar and grounded metal structures using dielectric materials. It mechanically anchors the busbar while preventing electrical current flow through unintended paths. The design incorporates features to manage thermal expansion, vibration, and electromagnetic forces while maintaining consistent insulation properties throughout the operating temperature range.
材料
Typically made from high-grade thermosetting plastics such as glass-filled polyester (GRP)polyamide (PA)or epoxy resins. Materials must have: UL94 V-0 flammability ratingCTI ≥ 600Vdielectric strength ≥ 20 kV/mmcontinuous operating temperature ≥ 130°Cand excellent tracking resistance.
Flammability
UL94 V-0
Tracking Index
CTI ≥ 600
Voltage Rating
Up to 1000V AC/DC
Mechanical Load
≥ 500N
Creepage Distance
≥ 20mm (for 1000V)
Temperature Range
-40°C to +130°C
Clearance Distance
≥ 15mm (for 1000V)
Dielectric Strength
≥ 20 kV/mm
标准
ISO 1461DIN 43671IEC 61439UL 746C

行业分类与别名

绝缘支撑件 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

Material degradation due to overheating->Reduced dielectric strength leading to electrical breakdown->Use materials with appropriate temperature ratings and implement thermal monitoring
Mechanical stress from vibration->Cracking or breakage of support structure->Design with vibration-resistant materials and proper mounting techniques
Environmental contamination->Surface tracking and reduced insulation resistance->Use materials with high CTI values and implement regular maintenance cleaning

工业生态与工程逻辑

0
Electrical short circuit due to insulation failure
1
Mechanical failure under vibration or shock loads
2
Thermal degradation at high temperatures
3
Contamination reducing dielectric properties

合规与检测

tolerance
Dimensional tolerance ±0.5mm, dielectric strength tolerance +0/-10%
test method
Dielectric strength test per IEC 60243, mechanical load test per ISO 1461, thermal cycling test per IEC 60068-2-14

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 primary function of an insulation support in busbar systems?

The primary function is to provide both mechanical support for busbars and electrical insulation between the busbars and grounded structures, preventing short circuits and ensuring safe operation.

What materials are commonly used for insulation supports?

Common materials include glass-reinforced polyester (GRP), polyamide (PA66), and epoxy resins, chosen for their high dielectric strength, thermal stability, and mechanical durability.

How do insulation supports handle thermal expansion?

They are designed with specific mounting configurations and material properties that accommodate thermal expansion without compromising electrical insulation or mechanical integrity.

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CNFX Industrial Component Index · 电气设备制造

数据基础

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初步技术归类
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请求制造能力信息: 绝缘支撑件

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URN:CNFX:ME:UNIT:INSULATION_SUPPORT