行业组件数据 · 2026

中性条

A conductive bar in circuit breaker panels that provides a common connection point for neutral conductors in electrical systems.

技术定义与适配语境
典型 中性条 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。

The neutral bar is a critical electrical component within smart home circuit breaker panels that serves as a centralized termination point for all neutral conductors. It establishes a common reference potential for the electrical system while providing a safe path for return currents. In modern smart panels, it integrates with monitoring systems to track neutral current balance and detect potential faults.

组件规格

定义
The neutral bar is a critical electrical component within smart home circuit breaker panels that serves as a centralized termination point for all neutral conductors. It establishes a common reference potential for the electrical system while providing a safe path for return currents. In modern smart panels, it integrates with monitoring systems to track neutral current balance and detect potential faults.
工作原理
The neutral bar operates by providing a low-impedance common connection point where all neutral conductors from branch circuits converge. It maintains electrical continuity between the neutral point of the transformer and individual circuits, ensuring proper current return paths while maintaining system voltage stability. In smart panels, sensors monitor current flow through the bar to detect imbalances that could indicate ground faults or overload conditions.
材料
High-conductivity copper alloy (C11000 or equivalent) with tin or silver plating for corrosion resistance. Insulating base made of flame-retardant thermoset plastic (typically phenolic or glass-filled polyester).
Resistance
<0.1 mΩ per connection point
Current Rating
100-400A
Voltage Rating
600V AC
Temperature Range
-40°C to 90°C
Conductor Capacity
12-60 terminals
Conductor Size Range
14 AWG to 250 kcmil
Torque Specifications
20-35 lb-in for terminal screws
标准
IEC 60947-7-1UL 67NEMA PB 1.1ISO 8820-1

行业分类与别名

中性条 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

Loose terminal connections->Increased resistance leading to overheating and potential fire hazard->Regular torque verification during installation and maintenance; use of spring-loaded or compression connectors
Corrosion of conductive surfaces->Degraded electrical conductivity leading to voltage drops and overheating->Protective plating on copper surfaces; proper environmental sealing; regular inspection schedules
Current imbalance between phases->Excessive neutral current causing overheating and equipment damage->Proper circuit balancing during design; installation of current monitoring systems; automatic load shedding in smart panels

工业生态与工程逻辑

0
Electrical shock hazard during installation
1
Overheating due to loose connections
2
Corrosion leading to increased resistance
3
Neutral-to-ground faults
4
Current imbalance causing voltage fluctuations

合规与检测

tolerance
±0.5mm dimensional tolerance for mounting holes; ±10% for electrical resistance specifications
test method
UL 67 for panelboards; IEC 60947 for low-voltage switchgear; temperature rise testing per NEMA PB 1.1; dielectric withstand testing at 2.2kV for 1 minute

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 a neutral bar in a circuit breaker panel?

The neutral bar provides a common connection point for all neutral conductors, creating a reference point for the electrical system and ensuring proper current return paths while maintaining voltage stability.

Can ground and neutral conductors be connected to the same bar?

In main service panels, neutral and ground bars are typically bonded together. In subpanels, they must be separated to prevent parallel neutral-ground paths, except where local codes specify otherwise.

How do smart panels monitor neutral bar performance?

Smart panels use current sensors and monitoring circuits to track neutral current balance, detect ground faults, monitor temperature, and alert users to potential issues through integrated communication systems.

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: 中性条

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 中性条?

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
中心导体
下一个组件
中性母线
URN:CNFX:ME:UNIT:NEUTRAL_BAR