行业组件数据 · 2026

绝缘套管

Insulation sleeving is a protective tubular component that electrically isolates connection busbars in industrial equipment.

技术定义与适配语境
典型 绝缘套管 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。

Insulation sleeving is a cylindrical, non-conductive covering applied over connection busbars to prevent electrical short circuits, arc flash incidents, and accidental contact with live conductors. It provides dielectric insulation, mechanical protection against abrasion and environmental factors, and thermal resistance in electrical distribution systems.

组件规格

定义
Insulation sleeving is a cylindrical, non-conductive covering applied over connection busbars to prevent electrical short circuits, arc flash incidents, and accidental contact with live conductors. It provides dielectric insulation, mechanical protection against abrasion and environmental factors, and thermal resistance in electrical distribution systems.
工作原理
Works by creating a physical barrier with high dielectric strength between the conductive busbar surface and surrounding components or personnel. The insulating material prevents current leakage and flashover by maintaining electrical isolation even under voltage stress, humidity, or contamination.
材料
Heat-shrinkable polyolefin (most common)silicone rubberPVCPTFEor fiberglass-reinforced silicone. Materials are selected based on temperature class (typically Class B 130°C to Class H 180°C)flame retardancy (UL 94 V-0)and chemical resistance.
Color Coding
Standard (black, red, yellow) or custom
Flame Rating
UL 94 V-0 compliant
Shrink Ratio
2:1 or 3:1
Wall Thickness
0.5mm to 2.0mm
Dielectric Strength
≥15 kV/mm
Operating Temperature
-55°C to 180°C
标准
ISO 6722DIN 7735IEC 60684UL 224

行业分类与别名

绝缘套管 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

Incorrect material selection for operating temperature->Insulation cracks or melts, leading to short circuits->Use temperature-rated sleeving (e.g., Class H for high-temperature environments) and verify material specs against application requirements.
Improper installation (e.g., incomplete shrinkage)->Gaps allow moisture ingress and reduce dielectric protection->Follow manufacturer heating guidelines (time/temperature), use calibrated heat guns, and inspect for uniform shrinkage without wrinkles.
Environmental exposure to oils or solvents->Material swelling or degradation compromises insulation->Select chemical-resistant materials (e.g., cross-linked polyolefin) and implement protective covers in harsh environments.

工业生态与工程逻辑

0
Electrical shock from inadequate insulation
1
Thermal degradation causing insulation failure
2
Chemical corrosion reducing dielectric strength
3
Mechanical damage during installation

合规与检测

tolerance
±0.2mm on wall thickness; dielectric strength tolerance ±10% of rated value
test method
Dielectric withstand test per IEC 60684-2; thermal aging test per UL 224; flame test per UL 94

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 difference between insulation sleeving and regular tubing?

Insulation sleeving is specifically engineered with higher dielectric strength, flame retardancy, and temperature resistance for electrical applications, whereas regular tubing may lack these certified properties.

How do I select the correct insulation sleeving size?

Measure the busbar's largest cross-sectional dimension and choose a sleeving with an expanded inner diameter 20-30% larger. Consider the shrink ratio to ensure a tight fit after heating.

Can insulation sleeving be reused?

No, heat-shrink insulation sleeving is single-use because the shrinking process permanently deforms the material. Attempting to remove and reapply can compromise dielectric integrity.

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: 绝缘套管

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:INSULATION_SLEEVING