Limit Switches for Industrial Automation: Reliable Motion Control Solutions

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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.

Related products

The cross limit switch from Yueqing Huilong Industrial Control Electrical Co., Ltd. is a precision - engineered safety device designed to prevent over - travel in industrial machinery by detecting when a moving component crosses a pre - defined boundary. Constructed with a rugged aluminum alloy housing, this switch withstands harsh environments, featuring IP67 waterproof and dustproof ratings. Its internal microswitch mechanism ensures rapid response times within 5ms, while the adjustable triggering distance (10 - 50mm) allows customization for diverse applications. The switch incorporates a double - layer contact design with silver - alloy terminals, enhancing electrical conductivity and extending service life to over 1 million operations. Ideal for conveyor systems, robotic arms, and CNC machines, it integrates seamlessly with PLC control systems, providing real - time position feedback and emergency stop functions. The cross limit switch undergoes rigorous testing, including 1000V dielectric withstand and 50G vibration resistance, ensuring reliability in heavy - duty manufacturing environments.

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 offer multiple technology options, including mechanical, optical, and magnetic types, adapting to contact or non-contact detection needs. This allows selection based on environmental factors, precision requirements, or application complexity.
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 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.