行业组件数据 · 2026

连接端子

Connection lugs are conductive components used to establish secure electrical connections between bus bars and cables in power distribution systems.

技术定义与适配语境
典型 连接端子 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。

Connection lugs, also known as terminal lugs or cable lugs, are metallic components designed to terminate electrical conductors and provide a reliable interface for connecting to bus bars or other electrical equipment. They ensure low-resistance electrical continuity, mechanical stability, and thermal management in high-current applications. Typically made from copper or aluminum alloys, they feature standardized hole patterns for bolted connections and may include insulation sleeves or coatings for safety.

组件规格

定义
Connection lugs, also known as terminal lugs or cable lugs, are metallic components designed to terminate electrical conductors and provide a reliable interface for connecting to bus bars or other electrical equipment. They ensure low-resistance electrical continuity, mechanical stability, and thermal management in high-current applications. Typically made from copper or aluminum alloys, they feature standardized hole patterns for bolted connections and may include insulation sleeves or coatings for safety.
工作原理
Connection lugs operate by mechanically clamping onto the stripped end of an electrical cable using crimping, soldering, or compression techniques. The lug's flat or ring-shaped terminal surface mates with the bus bar via bolts or screws, creating a high-pressure contact interface that minimizes electrical resistance and prevents arcing. This ensures efficient current transfer while withstanding thermal expansion and mechanical vibrations.
材料
Copper (C11000C10100)Aluminum (6061-T61350)Tin or Silver plating for corrosion resistanceInsulation materials: PVCheat-shrink tubing.
Hole Diameter
M6 to M16
Current Rating
50A to 2000A
Voltage Rating
Up to 1000V AC/DC
Cable Size Range
10 AWG to 1000 MCM
Temperature Range
-40°C to 120°C
Torque Specifications
10-50 Nm depending on size
标准
ISO 8098DIN 46235IEC 61238UL 486A

行业分类与别名

连接端子 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

Insufficient torque during installation->High contact resistance leading to overheating and potential thermal runaway->Use calibrated torque wrenches, follow manufacturer torque specifications, implement regular inspection schedules
Exposure to corrosive environments without proper plating->Corrosion increasing resistance and reducing mechanical strength->Select tin or silver-plated lugs, apply anti-corrosion coatings, ensure proper environmental sealing

工业生态与工程逻辑

0
Loose connections leading to overheating and fire hazards
1
Galvanic corrosion from dissimilar metals
2
Incorrect crimping causing high resistance
3
Insufficient torque on bolts reducing contact pressure

合规与检测

tolerance
Hole diameter tolerance: ±0.1mm, Overall dimensions: ±1% of specified size
test method
Conductivity testing per ASTM B193, Mechanical pull-out testing per UL 486, Thermal cycling tests per IEC 61238-1

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 copper and aluminum connection lugs?

Copper lugs offer higher conductivity and better corrosion resistance but are heavier and more expensive. Aluminum lugs are lighter and cheaper but require larger cross-sections for equivalent current capacity and need anti-oxidation treatments.

How do you select the right connection lug for a bus bar assembly?

Consider cable size, current rating, material compatibility (to prevent galvanic corrosion), hole diameter matching the bus bar bolts, and environmental conditions (temperature, humidity). Always follow manufacturer specifications and industry 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: 连接端子

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。

谢谢,信息已发送。
谢谢,信息已收到。

需要制造 连接端子?

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
连接接头
下一个组件
连接端子/接线端子
URN:CNFX:ME:UNIT:CONNECTION_LUGS