Limit Control Switch: Precision & Reliability for Ultimate System Control
Overview
The Limit Control Switch is an indispensable electromechanical device designed to detect the presence or absence of an object, monitor its position, or verify the endpoint of mechanical travel. Engineered for superior accuracy and unwavering durability, our limit switches are crucial components in automation, safety, and process control systems across a myriad of industrial applications. They provide reliable feedback, triggering precise actions such as starting/stopping motors, activating alarms, or signaling control systems, ensuring optimal operational efficiency and enhanced safety.
Key Features
Robust Construction: Housed in high-grade materials (e.g., zinc alloy, reinforced engineering plastic) for exceptional resistance to impact, vibration, dust, and moisture, ensuring long-term performance in harsh industrial environments.
Diverse Actuator Types: Available with a wide range of actuator heads to suit various mechanical interface requirements:
Plunger Type: Standard, roller plunger, cross roller plunger for direct contact sensing.
Lever Type: Roller lever, adjustable roller lever, fork lever for sensing linear or rotary motion over a distance.
Rod Type: Flexible coil spring rod, rigid rod for detecting irregular or extended objects.
Rotary Type: Side rotary, top rotary for indexing and position sensing.
High Precision & Repeatability: Designed for consistent actuation at exact points, ensuring reliable and repeatable performance over millions of cycles.
Multiple Contact Configurations: Available in various contact arrangements to meet specific circuit requirements:
SPDT (Single Pole Double Throw): 1 NO (Normally Open) and 1 NC (Normally Closed) contact.
DPDT (Double Pole Double Throw): 2 NO and 2 NC contacts for greater control flexibility.
Wide Electrical Ratings: Capable of handling a broad range of AC and DC voltages and currents, making them versatile for integration into diverse electrical systems.
Sealed Enclosures (IP Rated): Offered with high Ingress Protection (IP) ratings (e.g., IP65, IP67) to protect against dust, water jets, and even temporary immersion, ensuring reliable operation in challenging conditions.
Easy Installation & Wiring: Standardized mounting hole patterns and clearly marked screw terminals facilitate quick and straightforward installation and connection.
Long Mechanical & Electrical Life: Engineered for extended operational lifespan, minimizing maintenance and replacement costs.
Compliance & Certifications: Meets international safety and quality standards (e.g., CE, RoHS, UL pending) for global market acceptance.
Benefits
Enhanced Safety: Prevents over-travel, machine collisions, and ensures proper guarding through interlock mechanisms, significantly reducing the risk of accidents and equipment damage.
Optimized Automation: Enables precise sequencing of operations, accurate positioning, and reliable feedback for complex automated systems, boosting productivity and efficiency.
Reduced Downtime: High durability and reliability mean fewer failures, leading to less production downtime and lower operational costs.
Versatile Application: Adaptable to a vast array of industrial machinery and processes, offering a flexible solution for various sensing needs.
Cost-Effective Solution: A relatively low-cost component that delivers significant value in terms of protection, control, and operational longevity.
Simple Integration: Designed for straightforward integration into new or existing control circuits, minimizing engineering effort.
Typical Applications
Our Limit Control Switches are extensively used in:
Conveyor Systems: End-of-travel detection, package sensing, jam detection.
Robotics: Joint position feedback, end-effector sensing, home position detection.
Machine Tools: Door interlocks, tool change position, axis limit sensing.
Automated Gates & Doors: Open/closed position sensing, safety interlocks.
1000 VAC (50/60Hz for 1 min) between non-continuous terminals
1500 VAC (50/60Hz for 1 min) between live and non-live parts
Operating Force
600gf (approx.)
Pre-Travel (PT)
15-20° (Adjustable Lever)
Over-Travel (OT)
> 60°
Operating Temp.
-20°C to +80°C (-4°F to +176°F)
Operating Humidity
< 95% RH (Non-condensing)
Mechanical Life
> 1,000,000 operations
Electrical Life
> 100,000 operations
Housing Material
Die-cast Zinc Alloy
Protection Rating
IP67 (Dust-tight, submersible up to 1m for 30 mins)
Mounting Type
Base Mount / Panel Mount (Standard holes)
Connection Type
Screw Terminals (M4)
Cable Gland
M20x1.5 (or NPT 1/2")
Certifications
CE, RoHS (UL listed models available upon request)
Dimensions
Consult datasheet for specific model dimensions (L x W x H typically 100x30x30mm)
Why Choose Our Limit Control Switches?
When precision, durability, and reliability are paramount, our Limit Control Switches stand out. We combine state-of-the-art manufacturing processes with stringent quality control to deliver a product that performs consistently in the most demanding industrial environments. Choose us for:
Uncompromising Quality: Built to withstand harsh conditions and deliver consistent performance.
Extensive Selection: A comprehensive range of actuator types and electrical configurations to match any application.
Technical Expertise: Our team is ready to assist you in selecting the perfect switch for your specific needs.
Long-Term Value: Engineered for extended operational life, ensuring a superior return on your investment.
Equip your machinery with the precision and protection it deserves. Explore our full range of Limit Control Switches today and elevate your system's performance and safety.
