DIN Rails: Height 7.5mm or 15mm

Component Specifications

Definition

A DIN rail is a standardized metal rail used for mounting electrical and industrial automation components such as circuit breakers, terminal blocks, contactors, PLCs, and power supplies. It provides a secure, organized, and modular mounting system that simplifies installation, maintenance, and component replacement in control panels, switchgear, and industrial enclosures. The rail's standardized dimensions ensure compatibility across manufacturers and components.

Working Principle

DIN rails function as a mechanical mounting platform. Components are designed with spring-loaded clips or screw clamps that snap onto or attach to the rail's standardized profile. This creates a secure, vibration-resistant connection without requiring individual drilling or complex fastening. The rail's standardized shape (typically symmetrical or asymmetrical) ensures components align properly and maintain electrical clearance.

Materials

Typically made from cold-rolled steel (galvanized or pre-galvanized for corrosion resistance), aluminum (for lightweight applications), or stainless steel (for harsh environments). Common thicknesses range from 1.0mm to 2.0mm.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Width	35mm (most common), 15mm, 75mm
Height	7.5mm or 15mm
Profile Types	Top-hat (symmetrical), G-section (asymmetrical), C-section
Material Grades	Steel (FeP01), Aluminum (EN AW-6060), Stainless Steel (AISI 304)
Standard Lengths	500mm, 1000mm, 2000mm

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

DIN EN 60715, IEC 60715

Parent Products

This component is used in the following industrial products

Mounting Enclosure/Rack

A structural frame or housing designed to securely mount and organize components within a Control & Monitoring Panel.

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Engineering Analysis

Risks & Mitigation

Sharp edges causing cuts during handling
Improper mounting leading to component vibration or detachment
Galvanic corrosion when dissimilar metals contact in humid environments

FMEA Triads

Trigger: Incorrect rail profile selection
Failure: Components not securely mounted, leading to disconnection or short circuits
Mitigation: Verify component compatibility with rail profile (e.g., G-section vs. top-hat) before installation

Trigger: Corrosion in harsh environments
Failure: Rail degradation, poor electrical grounding, or component seizure
Mitigation: Use stainless steel or properly coated rails in wet, chemical, or outdoor applications

Trigger: Overloading rail beyond weight capacity
Failure: Rail deflection or collapse, damaging components
Mitigation: Calculate total component weight and use appropriate rail material and mounting supports

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.2mm on width and height dimensions per DIN EN 60715

Test Method

Mechanical load testing per IEC 60715, corrosion resistance per ISO 9227 salt spray test

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of DIN Rails

Manufacturer profiles associated with DIN Rails.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

Related Components

Terminal Base

A terminal base is an insulating support structure that holds and organizes electrical terminals in motor terminal blocks, providing secure connections and circuit management.

Contact Plate

A conductive plate in motor terminal blocks that establishes electrical contact between conductors.

Marking Strip

A durable marking strip used for terminal identification in motor terminal blocks to ensure proper electrical connections and safety compliance.

Gland Body

A gland body is the main housing component of an aluminum cable gland that provides mechanical protection and environmental sealing for electrical cables entering enclosures.

Frequently Asked Questions

What are the main types of DIN rail profiles?

The three main types are: Top-hat (symmetrical, most common for general use), G-section (asymmetrical, better for vibration resistance), and C-section (used for heavier components).

Can DIN rails be cut to custom lengths?

Yes, standard rails can be cut using a hacksaw or specialized cutter. Deburr edges after cutting to prevent injury and ensure proper component mounting.

How do you mount components to a DIN rail?

Most components have spring-loaded clips: pull the clip down, position the component on the rail, and release. Some use screw clamps that tighten against the rail's edge.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

DIN Rails