Limit Switches for Industrial Automation: Reliable Motion Control Solutions

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Yueqing Huilong Industrial Control Electrical Appliances Co., Ltd.
Yueqing Huilong Industrial Control Electrical Appliances Co., Ltd.
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Limit Switch: General-Purpose Device for Motion Position and Stroke Control

Limit Switch: General-Purpose Device for Motion Position and Stroke Control

The limit switch is a general term for switches used to restrict object motion positions or strokes, including travel limit switches, crane limit switches, micro limit switches, etc. It detects mechanical motion through contact or non-contact methods, triggering circuit changes at preset positions to control equipment operation or stop motion. Widely used in industrial automation, transportation, and construction machinery, this versatile switch is a fundamental component for ensuring safe and regulated motion in mechanical systems.
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Advantages

Universal Motion Control Solution

Covers diverse applications (stroke, position, limit) with a single product category, simplifying procurement and inventory management.

High Reliability in Critical Applications

Widely used in elevators, cranes, and aerospace equipment, with fail-safe designs meeting ISO 13849 performance level d.

Cost-Effective Safety Solution

Lower maintenance costs than non-mechanical sensors, with durable designs reducing replacement frequency in industrial settings.

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The Telemecanique ZCMD21 available from Yueqing Huilong is a premium - grade motor control device designed for industrial automation. This compact controller (80mm x 60mm x 40mm) integrates overload protection, phase monitoring, and motor starting functions in a single unit. Equipped with thermal magnetic tripping elements, it safeguards motors against overloads (1 - 10A adjustable) and phase failures, with a response time of ≤0.1s. The ZCMD21 features a transparent cover for visual inspection of internal components, while its quick - connect terminals reduce wiring time. Compatible with both AC and DC systems, it supports voltage ranges from 220V to 480V, making it suitable for global industrial applications. The device meets international standards (IEC 60947 - 4 - 1, CE), ensuring reliability in automotive, food processing, and pharmaceutical industries.

Frequently Asked Questions

What makes limit switches a universal safety solution?

Limit switches cover diverse applications (stroke, position, limit) with a single product category, simplifying procurement and inventory management. Their versatility across industries—from elevators to aerospace—makes them a fundamental safety component.
Limit switches are widely used in elevators, cranes, and aerospace equipment, with fail-safe designs meeting ISO 13849 performance level d. Their high reliability in critical scenarios ensures compliance with strict safety standards and minimizes risk of catastrophic failures.
Limit switches have lower maintenance costs than non-mechanical sensors, with durable designs that reduce replacement frequency. Their robust construction in industrial settings ensures long service life, lowering total cost of ownership.
Limit switches are CE, UL, and CSA certified, ensuring compliance with safety regulations in Europe, North America, and other regions. This global certification simplifies market entry for manufacturers and end-users worldwide.
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Customer Reviews

Linda Miller
Versatile Limit Switch with Wide Applications

This limit switch is highly versatile, suitable for various types of machinery and equipment. It provides accurate position detection and reliable operation, enhancing the safety and efficiency of our processes. The simple design and durable construction make it a practical choice. Very happy with its performance.

Tom Li
Cost-Effective Safety for Small Businesses

For our small woodshop, these limit switches replaced expensive custom sensors at a fraction of the cost. The mechanical type works perfectly for our table saw's travel limits, and the adjustable screws let us fine-tune as we upgrade our equipment. Simple to install, reliable in daily use—ideal for businesses on a budget.

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Global Certification Compliance

Global Certification Compliance

CE, UL, and CSA certified, ensuring market access in Europe, North America, and other regions with strict safety regulations.
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Yueqing Huilong provides advanced industrial control appliances and relays for global markets. Our ISO-9001 certified products ensure quality and reliability. Contact us today!

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No. 3789 Liujiang Road, Liushi Town,Yueqing City, Wenzhou City, Zhejiang Province, 325604

+86-18155034103

[email protected]

+86-18155034103

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