D4NL-1AFA-B Omron Safety Limit Switch

D4NL-1AFA-B Omron Safety Limit Switch
Popular Safety Limit Switch ModelsOmron offers a diverse lineup categorized by their housing material and size to suit various industrial environments: 

• D4N Series (Plastic Housing): The most popular series, providing a full lineup that conforms to international standards.
  • D4N-1120: A compact 2-contact model with a resin roller lever, typically priced around ₹2,595.
  • D4N-2F22: Features 3 contacts (2NC/1NO) with "Make Before Break" (MBB) action and a metal roller lever, priced around ₹3,539.
  • D4N-112G: A versatile model with an adjustable roller lever and gold-clad contacts for high reliability, available for approximately ₹2,201.
• D4B-N Series (Metal Housing): Robust switches with heavy-duty metal cases, ideal for harsh environments with high mechanical stress or wide temperature ranges (-40 to 80°C).
• D4F Series (Small/Slim): Ultra-small safety limit switches designed for applications with limited mounting space.
• D4N-R Series (Pull-Reset): Specifically designed with a manual pull-reset mechanism to ensure the machine remains stopped until manually cleared. 

Key Specifications & FeaturesThese switches are engineered for high durability and environmental resistance: 

• Direct Opening Operation: Specifically for NC (Normally Closed) contacts, this ensures contacts are forced open even if they have fused due to a fault.
• Protection Rating: Most models feature an IP67 rating, making them dust-tight and protected against water immersion.
• Mechanical Durability: Designed for long service lives, often exceeding 15 million operations.
• Contact Configurations: Available in various forms, including 1NC/1NO, 2NC, and 3NC to fit different safety circuit requirements.