行业组件数据 · 2026

负极接线端子

Negative terminal for electrical current flow in battery systems and electrical circuits.

技术定义与适配语境
典型 负极接线端子 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。

A negative terminal is an electrical component designed to establish a secure connection for the return path of electrical current in a circuit. In battery systems, it connects to the anode and serves as the point where electrons enter the electrical system during discharge. It typically features standardized dimensions, corrosion-resistant materials, and secure fastening mechanisms to ensure reliable electrical contact and safety.

组件规格

定义
A negative terminal is an electrical component designed to establish a secure connection for the return path of electrical current in a circuit. In battery systems, it connects to the anode and serves as the point where electrons enter the electrical system during discharge. It typically features standardized dimensions, corrosion-resistant materials, and secure fastening mechanisms to ensure reliable electrical contact and safety.
工作原理
The negative terminal operates on the principle of providing a low-resistance path for electron flow from the electrical load back to the power source (typically the anode of a battery). It completes the electrical circuit by connecting to the ground or common return path, enabling continuous current flow. Proper connection ensures voltage potential is maintained and prevents electrical faults.
材料
Copper alloy (e.g.C11000 electrolytic tough pitch copper) or brass with tin or nickel plating for corrosion resistanceinsulating materials: PVC or rubber for housing.
IP Rating
IP65 for sealed versions
Resistance
<0.5 mΩ
Voltage Rating
Up to 1000V DC
Connection Type
Threaded stud (M6, M8, M10), clamp, or quick-connect
Current Capacity
50-500A depending on design
Temperature Range
-40°C to +85°C
标准
ISO 8092DIN 72581SAE J928

行业分类与别名

负极接线端子 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

Corrosion due to environmental exposure->Increased electrical resistance, voltage drop, or complete circuit interruption->Use corrosion-resistant materials (e.g., nickel plating), apply protective coatings, implement regular maintenance schedules
Improper torque during installation->Loose connection leading to overheating, arcing, or fire hazard->Follow manufacturer torque specifications, use calibrated tools, implement installation training and quality checks

工业生态与工程逻辑

0
Electrical short circuits
1
Corrosion leading to high resistance
2
Loose connections causing arcing or overheating
3
Incorrect polarity connection damaging equipment

合规与检测

tolerance
±0.1 mm for dimensional accuracy; electrical resistance tolerance within 5% of specified value
test method
Continuity testing with multimeter, torque testing per ISO 6789, salt spray testing per ISO 9227 for corrosion resistance, thermal cycling tests

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 negative and positive terminals?

Negative terminals connect to the anode (electron source) and complete the circuit return path, while positive terminals connect to the cathode (electron destination) and supply current. They often have different markings (e.g., '-' vs. '+') and may vary in size or design to prevent incorrect connections.

How do I maintain a negative terminal?

Regularly inspect for corrosion, clean with a wire brush or baking soda solution, ensure tight connections to prevent arcing, and apply anti-corrosion grease. Check for cracks or wear in insulating materials.

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: 负极接线端子

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 负极接线端子?

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
调节/控制电路
下一个组件
负载电阻器
URN:CNFX:ME:UNIT:NEGATIVE_TERMINAL