Compact D4N-112G Safety Limit Switch with Gold-Plated Contacts for Reliable Performance
Compact D4N-112G Safety Limit Switch with Gold-Plated Contacts for Reliable Performance
SKU:D4N-112G
Package size: 20X10X10CMOmron D4N-112G Safety Limit Switch | Industrial-Grade Position Detection with IP67 Protection
The Omron D4N-112G safety limit switch stands as a benchmark for industrial safety components, delivering unmatched reliability in harsh operating environments. Engineered specifically for mission-critical applications, this precision safety switch provides fail-safe operation through its rugged construction and advanced electrical design. The D4N-112G's IP67-rated enclosure offers complete protection against dust ingress and temporary water immersion (up to 1 meter for 30 minutes), while maintaining consistent performance across extreme temperatures from -30°C to +80°C (-22°F to +176°F). As part of Omron's industry-leading D4N series, this safety switch incorporates a high-sensitivity actuator requiring minimal operating force, making it ideal for both safety interlocking and precise position detection applications in automated systems.
Premium Features for Industrial Safety Applications
- Advanced Contact System: Features 2 Normally Closed (2NC) contacts constructed with silver alloy (AgCdO) for superior electrical conductivity and arc resistance, ensuring reliable circuit interruption even under frequent switching conditions
- Robust Electrical Specifications: Rated for 250V AC/DC operation at 5A resistive load (3A inductive load) with a minimum electrical life of 1,000,000 operations at rated capacity
- Precision Actuation Mechanism: Requires only 1.47N (150gf) maximum operating force with ±0.5N repeatability for consistent, sensitive detection in automated systems
- Exceptional Mechanical Durability: Engineered for over 10,000,000 mechanical operations (no load) with self-cleaning contacts that maintain stable electrical characteristics throughout the product lifecycle
- Environmental Protection: IP67-rated enclosure (IEC 60529 certified) provides complete protection against dust, oil, and temporary immersion in water up to 1 meter depth
- Compact Industrial Design: Space-efficient dimensions of 40mm (W) × 80mm (H) × 20mm (D) with lightweight 150g construction for easy panel mounting and integration into existing control systems
- Extended Temperature Range: Certified for operation from -30°C to +80°C (-22°F to +176°F) with storage capability from -40°C to +85°C (-40°F to +185°F)
- Rugged Construction: Fiberglass-reinforced thermoplastic housing with stainless steel actuator components resists corrosion, vibration, and mechanical shock in industrial environments
- Manufacturer Warranty: Backed by Omron's 1-year limited warranty against defects in materials and workmanship (proof of purchase required)
Critical Industrial Applications
- Machine Safety Interlocks: Essential safety component for presses, injection molding machines, robotic cells, and CNC equipment where reliable emergency stop functionality is required
- Automated Production Systems: Provides precise position verification for conveyor systems, assembly stations, and packaging machinery with repeatable accuracy
- Safety Door Monitoring: Ideal for guarding applications on industrial machinery, with positive-opening contacts that meet safety standards for access control
- Material Handling Equipment: Position detection for overhead cranes, automated storage systems, and AGV (Automated Guided Vehicle) limit stops
- Process Control Systems: End-of-travel detection for valves, actuators, and other moving components in chemical, pharmaceutical, and food processing plants
- Heavy Equipment Safety: Integration into construction and agricultural machinery for boom position limits and access panel monitoring
Detailed Technical Specifications
| Parameter | Specification |
|---|---|
| Product Series | Omron D4N Safety Limit Switch Series (Basic Enclosure Type) |
| Model Number | D4N-112G (2NC contact configuration) |
| Contact Configuration | 2 Normally Closed (2NC) - Silver Alloy (AgCdO) contacts |
| Electrical Ratings | 250V AC/DC (50/60Hz), 5A resistive load (3A inductive load at 250V AC) |
| Contact Resistance | ≤50mΩ initial (per IEC 60947-5-1 standards) |
| Insulation Resistance | ≥100MΩ at 500V DC (between live parts and ground) |
| Dielectric Strength | 2,000V AC for 1 minute (between live parts and ground) |
| Operating Force | 1.47N (150gf) maximum with ±0.5N repeatability |
| Pretravel | 1.5mm minimum (actuator dependent) |
| Mechanical Life | ≥10,000,000 operations (no load, per IEC 60947-5-1) |
| Electrical Life | ≥1,000,000 operations at rated load (per IEC 60947-5-1) |
| Ingress Protection | IP67 (IEC 60529) - Dust tight and protected against temporary immersion |
| Housing Material | Fiberglass Reinforced Thermoplastic (UL94 V-0 flame rated) |
| Terminal Type | Screw terminals (M3.5) with captive pressure plates |
| Operating Temperature | -30°C to +80°C (-22°F to +176°F) with ≤95% RH non-condensing |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Vibration Resistance | 10-55Hz, 0.75mm double amplitude (per IEC 60068-2-6) |
| Shock Resistance | 300m/s² (30G) for 11ms in 3 directions (per IEC 60068-2-27) |
| Dimensions (W×H×D) | 40mm × 80mm × 20mm (1.57" × 3.15" × 0.79") |
| Weight | 150g ±5g (0.33 lb) excluding mounting hardware |
| Certifications | CE Marked, UL Recognized (File E66275), CSA Certified (LR72429) |
| Warranty | 1-Year Limited Warranty (terms and conditions apply) |
The Omron D4N-112G safety limit switch represents industrial-grade reliability, manufactured to exacting quality standards in ISO-certified facilities. Its rugged construction and precision operation make it the preferred choice for safety engineers and automation professionals worldwide. The switch's positive-opening contact mechanism ensures reliable circuit interruption, while its compact design allows for flexible installation in space-constrained applications. With its 1-year limited warranty and proven track record in industrial environments, the D4N-112G delivers long-term value for safety-critical applications across multiple industries.
