行业组件数据 · 2026

安装夹/锁扣

A mounting clip or latch is a mechanical fastener designed to securely attach circuit breakers or fuse holders to panels, DIN rails, or enclosures in electrical systems.

技术定义与适配语境
典型 安装夹/锁扣 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 mounting clip or latch is a precision-engineered component used in electrical installations to provide secure, vibration-resistant mounting for circuit breakers and fuse holders. It typically features a spring-loaded or snap-fit mechanism that allows for quick installation and removal without tools, while maintaining reliable electrical contact and mechanical stability under operational stresses such as thermal cycling, shock, and vibration.

组件规格

定义
A mounting clip or latch is a precision-engineered component used in electrical installations to provide secure, vibration-resistant mounting for circuit breakers and fuse holders. It typically features a spring-loaded or snap-fit mechanism that allows for quick installation and removal without tools, while maintaining reliable electrical contact and mechanical stability under operational stresses such as thermal cycling, shock, and vibration.
工作原理
The mounting clip/latch operates on a spring tension or cam-locking principle. When engaged, it exerts controlled pressure against the mounting surface (e.g., DIN rail or panel), creating a secure mechanical grip. This ensures the electrical device remains fixed in place, maintains proper alignment for electrical connections, and may provide grounding continuity. Disengagement is achieved by manually releasing the latch mechanism, allowing for easy maintenance or replacement.
材料
Typically made from spring steel (e.g.1075 or 1095 carbon steel) for clips requiring high fatigue resistanceor stainless steel (e.g.301 or 316) for corrosion resistance. Plastics like polyamide (PA66) or polycarbonate (PC) are used for insulating latches. Materials are often plated (e.g.zincnickel) or coated for enhanced durability and conductivity.
IP Rating
IP20 (standard)
Width Range
17.5 mm to 35 mm
Mounting Type
DIN Rail (EN 60715), Panel Mount
Material Grade
Steel: ASTM A313; Plastic: UL94 V-0
Compatible Rail
TH35, TH15, G32
Retention Force
20 N to 50 N
Operating Temperature
-40°C to +85°C
标准
ISO 60715DIN EN 60715IEC 60715UL 508

行业分类与别名

安装夹/锁扣 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 spring tension due to material fatigue->Device becomes loose, causing intermittent electrical connections or detachment->Use high-cycle fatigue-resistant materials (e.g., spring steel), conduct regular torque/force testing, and design with redundancy or locking features
Corrosion on metal surfaces->Increased contact resistance, overheating, or failure to conduct ground paths->Apply corrosion-resistant coatings (e.g., zinc-nickel plating), use stainless steel, or specify for controlled environments
Misalignment during installation->Improper seating on rail, leading to mechanical stress or poor electrical contact->Include alignment guides in design, provide clear installation instructions, and use fool-proofing features like asymmetric clips

工业生态与工程逻辑

0
Incorrect installation leading to poor contact or arcing
1
Material fatigue causing loss of retention over time
2
Corrosion in humid environments compromising conductivity
3
Incompatibility with rail types causing misalignment

合规与检测

tolerance
Dimensional tolerance ±0.2 mm for critical features; retention force tolerance ±10% of nominal value
test method
Vibration testing per IEC 60068-2-6; mechanical endurance testing (engage/disengage cycles) per IEC 60947-1; salt spray testing per ISO 9227 for corrosion resistance

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 a mounting clip and a latch?

A mounting clip is usually a simple spring-steel piece that snaps onto a rail, while a latch often includes a lever or cam mechanism for easier engagement and disengagement, providing tool-less operation.

Can mounting clips be reused?

Yes, most are designed for multiple cycles without loss of retention force, but inspect for wear or deformation after repeated use, especially in high-vibration environments.

How do I ensure proper grounding with a mounting clip?

Use clips with integrated grounding contacts or ensure the clip material and plating provide low-resistance paths; verify per IEC 60947-1 for earthing requirements.

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CNFX Industrial Component Index · 电气设备制造

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初步技术归类
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URN:CNFX:ME:UNIT:MOUNTING_CLIP_LATCH