Structured Manufacturing Data (2026)

Limit Switch/Sensor

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Limit Switch/Sensor used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Limit Switch/Sensor is characterized by the integration of Actuator/Lever and Switch Body/Housing. In industrial production environments, manufacturers listed on CNFX commonly emphasize Plastic housing construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A safety and control device that detects the presence or position of a tray within a mechanism and triggers an action when a predetermined limit is reached.

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Product Specifications

Technical details and manufacturing context for Limit Switch/Sensor

Definition
In a Tray Mechanism, the limit switch/sensor is a critical component that monitors the tray's movement and position. It ensures the tray stops at precise locations, prevents over-travel that could cause jams or damage, and provides feedback to the control system about the tray's status. This device is essential for automated tray handling systems where repeatable positioning is required.
Working Principle
The limit switch/sensor operates by detecting physical contact (mechanical limit switch) or proximity (proximity sensor) with the tray. When the tray reaches the predetermined position, it either physically actuates a lever/roller (mechanical) or interrupts/triggers an electromagnetic field (proximity), sending an electrical signal to the control system to stop movement, change direction, or initiate the next operation.
Common Materials
Plastic housing, Metal actuator/lever, Electrical contacts/wiring
Technical Parameters
  • Actuation distance or sensing range; typically 1-10mm for mechanical switches, up to 20mm for proximity sensors (mm) Per Request
Components / BOM
  • Actuator/Lever
    Physical interface that makes contact with the moving tray to trigger the switch
    Material: Stainless steel or plastic
  • Switch Body/Housing Part
    Protects internal electrical components and provides mounting points
    Material: Plastic or metal
  • Electrical Contacts Part
    Open or close the circuit when the switch is actuated
    Material: Silver alloy or gold-plated
  • Terminal Block
    Connection points for wiring to the control system
    Material: Plastic with brass terminals

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Limit Switch/Sensor.

Position Sensor End Stop Switch industrial limit switch for tray detection machinery safety sensor with metal actuator plastic housing limit switch for equipment electrical contact position sensor for manufacturing tray position detection limit switch

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Tray Mechanism
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar
other spec: IP67 ingress protection, 10 million mechanical cycles
temperature: -20°C to +85°C
Media Compatibility
✓ Plastic trays ✓ Metal components ✓ Packaging materials
Unsuitable: High-vibration environments with >5g acceleration
Sizing Data Required
  • Tray dimensions and material
  • Required actuation force (N)
  • Response time requirement (ms)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Contact Contamination
Cause: Accumulation of dust, moisture, or chemical residues on electrical contacts, leading to poor conductivity or false signals.
Mechanical Wear/Fatigue
Cause: Repeated actuation cycles causing physical degradation of the actuator arm, spring, or housing, resulting in misalignment or failure to trigger.
Maintenance Indicators
  • Inconsistent or erratic operation (e.g., intermittent signals, false triggers)
  • Visible damage or corrosion on the housing, actuator, or wiring connections
Engineering Tips
  • Implement regular cleaning and inspection schedules, using appropriate methods (e.g., compressed air, contact cleaners) to prevent contamination buildup.
  • Ensure proper alignment and mounting during installation to minimize mechanical stress, and consider using protective enclosures in harsh environments.

Compliance & Manufacturing Standards

Reference Standards
ISO 13849-1: Safety of machinery - Safety-related parts of control systems ANSI/UL 508: Industrial Control Equipment DIN EN 60947-5-1: Low-voltage switchgear and controlgear - Control circuit devices and switching elements
Manufacturing Precision
  • Actuation point repeatability: +/-0.1mm
  • Enclosure sealing flatness: 0.05mm
Quality Inspection
  • IP (Ingress Protection) rating test per IEC 60529
  • Electrical endurance test (minimum 1 million cycles)

Factories Producing Limit Switch/Sensor

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the primary function of this limit switch/sensor in machinery?

This limit switch/sensor detects the presence or position of a tray within a mechanism and triggers a safety or control action when a predetermined limit is reached, ensuring proper operation and preventing damage.

What materials are used in the construction of this limit switch?

It features a durable plastic housing for protection, a metal actuator/lever for reliable mechanical operation, and electrical contacts/wiring for precise signal transmission in industrial environments.

How does this limit switch enhance safety in equipment manufacturing?

By accurately detecting tray positions and triggering actions at set limits, it prevents over-travel, misalignment, or operational errors, reducing equipment downtime and improving workplace safety in manufacturing processes.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

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