行业组件数据 · 2026

端子外壳

Protective housing for feed-through terminal blocks that insulates and organizes electrical connections in industrial applications.

技术定义与适配语境
典型 端子外壳 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 terminal housing is a protective enclosure designed specifically for feed-through terminal blocks, providing insulation, mechanical protection, and organization for electrical connections. It prevents accidental contact with live parts, protects against environmental factors like dust and moisture, and facilitates secure wire termination in control panels, machinery, and electrical distribution systems. The housing typically features mounting provisions, cable entry points, and internal structures to accommodate terminal blocks while maintaining proper creepage and clearance distances.

组件规格

定义
A terminal housing is a protective enclosure designed specifically for feed-through terminal blocks, providing insulation, mechanical protection, and organization for electrical connections. It prevents accidental contact with live parts, protects against environmental factors like dust and moisture, and facilitates secure wire termination in control panels, machinery, and electrical distribution systems. The housing typically features mounting provisions, cable entry points, and internal structures to accommodate terminal blocks while maintaining proper creepage and clearance distances.
工作原理
The terminal housing operates by physically enclosing terminal blocks to create a barrier between live electrical components and the external environment. It provides dielectric insulation to prevent short circuits, organizes wiring through designated entry/exit ports, and often includes features for strain relief and secure mounting. The housing maintains electrical safety by ensuring proper isolation and may incorporate transparent sections for visual inspection without disassembly.
材料
Polyamide 6.6 (PA66) with 30% glass fiber reinforcement for flame retardancy (UL94 V-0 rated)operating temperature range: -40°C to +120°C. Alternative materials include polycarbonate (PC) for transparency or thermoset plastics for higher temperature resistance.
Color
Gray (standard), orange (transparent available)
Mounting
DIN rail (35mm or 32mm), panel mount, or direct screw mounting
IP Rating
IP20 (standard) to IP67 (sealed versions)
Flammability
UL94 V-0
Current Rating
Up to 300A depending on configuration
Voltage Rating
Up to 1000V AC/DC
标准
IEC 60947-7-1DIN 46277UL 1059

行业分类与别名

端子外壳 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 environment->Cracking or degradation of housing->Specify appropriate material grade (e.g., chemical-resistant variants) based on environmental analysis
Poor sealing at cable entry points->Moisture ingress causing corrosion or short circuits->Use proper cable glands and sealing gaskets, follow torque specifications during installation
Inadequate clearance between terminals->Electrical arcing or tracking->Design with proper creepage/clearance distances per voltage rating, use insulating barriers if needed

工业生态与工程逻辑

0
Electrical shock from improper installation
1
Overheating due to inadequate ventilation in sealed units
2
Material degradation from chemical exposure
3
Mechanical failure from vibration or impact

合规与检测

tolerance
±0.2mm on critical dimensions for proper terminal block fit, ±0.5° on angular features
test method
Dielectric strength test per IEC 60947-7-1 (2.5kV for 1 minute), flammability test per UL94, IP rating verification per IEC 60529

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 terminal housing and terminal block?

A terminal block is the actual electrical connector where wires are terminated, while the terminal housing is the protective enclosure that surrounds one or multiple terminal blocks to provide insulation, mechanical protection, and organization.

Can terminal housings be used in outdoor applications?

Yes, when specified with appropriate IP ratings (typically IP65 or higher) and UV-resistant materials, terminal housings can protect terminal blocks in outdoor or harsh environments.

How do I select the right terminal housing size?

Select based on the number and size of terminal blocks, required wire entry/exit points, environmental protection needs (IP rating), and available mounting space. Manufacturers provide dimensional drawings for proper selection.

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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: 端子外壳

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:TERMINAL_HOUSING