Product Overview
The OMRON WL/WLM series offers a comprehensive range of 2-circuit limit switches designed for diverse industrial applications. These switches are renowned for their robust construction, high precision, and extended mechanical life, making them suitable for demanding environments and critical control tasks.
Key Features
- Wide Variety: Available in numerous models including standard, overtravel, high-precision, and small load types.
- Environmental Adaptability: Specialized models are available for harsh conditions, including cold-resistant, heat-resistant, corrosion-resistant, weather-resistant, and splash-proof (IP67) versions.
- Long Mechanical Life: Achieves over 30 million operations, ideal for high-frequency applications.
- High Precision: Features high-precision models with minimal pre-travel and excellent repeatability, crucial for accurate position control in machinery.
- Operation Indicators: Equipped with neon or LED indicators for easy visual confirmation of operating status, simplifying inspection and maintenance.
- International Certifications: Complies with global standards, including UL, CSA, TÜV, and EN/IEC, making them suitable for export machinery.
- Connector Types: Available with connector-type models to reduce wiring time and simplify replacement.
- 2-Circuit Double Break: Ensures reliable circuit interruption with a double-break contact mechanism.
Product Structure and Selection
The WL/WLM series is broadly categorized into General Purpose, Environmentally Resistant, Splash-Proof, and Long-Life types. Selection is based on the specific application environment, required operating characteristics, and wiring method.
Main Types:
- General Purpose Models: Standard switches suitable for a wide range of applications.
- Environmentally Resistant Models: Designed for use in environments with water, oil, chemicals, or extreme temperatures. Includes high-sealed, heat-resistant, cold-resistant, corrosion-resistant, and weather-resistant variants.
- Splash-Proof Models: Ideal for welding sites or dusty environments, featuring stainless steel and resin materials to prevent splash adhesion.
- Long-Life Models: Engineered for extended mechanical durability, suitable for high-frequency operations.
Operating Characteristics and Wiring:
Models are available with various operating characteristics, including different actuator types (roller lever, plunger, rod, coil spring) and wiring specifications (screw terminal, direct output connector, pre-wired connector). Operation indicators (neon or LED) can be selected for enhanced visibility.
Applications
OMRON WL/WLM limit switches are versatile and used across various industries for precise position detection and control:
- Manufacturing Lines: For accurate positioning of workpieces.
- High-Precision Equipment: Ensuring precise control in automated machinery.
- Conveyor Systems: Detecting material presence and limits on hanging conveyors or general transport lines.
- Automated Parking Systems: For reliable vehicle positioning.
- Welding Environments: Splash-proof models are used to withstand spatter and dust.
General Specifications
The WL/WLM series offers robust electrical and mechanical specifications. Key ratings include various AC/DC voltage and current capacities for different load types (resistive, lamp, inductive, motor). Mechanical life can reach up to 30 million operations, with electrical life varying by load. The switches meet IP67 protection for oil, water, and dust resistance. They are designed for operating temperatures typically ranging from -10°C to +80°C, with specialized models extending this range.
For detailed model-specific information, dimensions, operating characteristics, and full specifications, please refer to the complete OMRON WL/WLM series product catalog.
