Mounting Foot: Mounting Width 35mm, Clamping Force ≥ 50N

Component Specifications

Definition

A mounting foot is a mechanical component designed to securely attach terminal blocks to standard DIN rails (typically 35mm) within electrical control panels and enclosures. It provides stable fixation, prevents movement or vibration-induced loosening, and ensures proper alignment for electrical connections. The component typically features a spring-loaded or screw-activated clamping mechanism that engages with the rail profile.

Working Principle

The mounting foot operates on a mechanical clamping principle. It is positioned on the DIN rail, and a lever, screw, or spring mechanism is activated to create a secure grip between the foot's hook and the rail's lower flange. This creates a rigid connection that resists vertical lift-off and horizontal displacement while allowing for tool-less installation or removal in many designs.

Materials

Typically made from engineering thermoplastics (e.g., PA6, PA66 with glass fiber reinforcement for strength and flame retardancy) or metals (e.g., zinc die-cast, stainless steel) for high-stress or corrosive environments. Material must meet UL94 V-0 flammability ratings for plastics.

Technical Parameters

Parameter	Typical range	Notes & selection driver
IP Rating	IP20 (standard), IP67 available with seals
Rail Type	DIN EN 60715 TH35-7.5, TH35-15
Clamping Force	≥ 50N
Mounting Width	35mm
Material Options	PA66-GF25, Stainless Steel AISI 304
Operating Temperature	-40°C to +120°C

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

Standards

ISO 60715, DIN EN 60715, UL 1059, IEC 60947-7-1

Parent Products

This component is used in the following industrial products

Terminal Blocks

Electrical connectors used to secure and organize multiple wire connections within control panels

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Terminal Block/Connector

An electrical component that provides a secure, organized point for connecting and terminating wires in input/output interface circuits.

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Engineering Analysis

Risks & Mitigation

Incorrect installation causing loose connections
Material degradation in high-temperature environments
Incompatibility with rail profile leading to poor fixation

FMEA Triads

Trigger: Insufficient clamping force due to worn spring or improper installation
Failure: Terminal block detaches from rail, causing connection loss or short circuits
Mitigation: Use torque-controlled installation tools, specify high-cycle-life springs, implement visual inspection checks

Trigger: Material cracking from UV exposure or chemical corrosion
Failure: Structural failure, component breakage during maintenance
Mitigation: Select UV-stabilized or corrosion-resistant materials, specify environmental ratings

Industrial Ecosystem

Compatible With

DIN rail terminal blocks, modular terminal blocks, disconnect terminal blocks

Typical Suppliers & Equivalents

Phoenix Contact, WAGO, Weidmüller, ABB, Siemens

Compliance & Inspection

Tolerance

±0.2mm on critical dimensions per ISO 2768-m

Test Method

DIN rail pull-off test per IEC 60947-7-1, flammability testing per UL 94

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 Mounting Foot

Manufacturer profiles associated with Mounting Foot.

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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 is the primary function of a mounting foot?

To securely fasten terminal blocks to DIN rails, preventing movement and ensuring reliable electrical connections in panels.

Are mounting feet interchangeable between terminal block brands?

Not always; while many follow DIN standards, design variations exist. Check manufacturer specifications for compatibility.

Can mounting feet be reused after removal?

Yes, most spring-clip types are reusable without performance loss if undamaged; screw-types are generally reusable.

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.

Mounting Foot