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WLD28-LD Safety Light Curtain | F3SJ Series Industrial Safety Sensor

The OMRON WLD28-LD is a high-reliability, two-circuit limit switch from the WL series. It features a sealed top-roller plunger actuator and a built-in LED indicator for easy status confirmation. This model is designed for applications requiring durability and precision, utilizing a gold-clad crossbar contact mechanism that ensures stable operation with both standard loads and microloads .

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Key Specifications Parameter Specification Model WLD28-LD / WLD28-LD-N Brand OMRON (Omron) Actuator Type Sealed Top-Roller Plunger (Stainless steel roller: φ11.2 × 5) Circuit Configuration DPDT (2-Circuit Double-Break) / 1a1b Contact Rating 10A @ 125/250 VAC; 10A @ 24/125 VDC; 5A @ 250 VDC; 0.4A @ 125 VDC (Microload compatible) Indicator Built-in LED (Provides visual confirmation of operation) Protection Rating IP67 (Dust-tight and protection against temporary immersion) Mechanical Life 15,000,000 operations minimum Electrical Life 750,000 operations minimum Operating Frequency 120 operations/minute max Pretravel (PT) 1.7 mm max Overtravel (OT) 5.6 mm min Movement Differential (MD) 1.0 mm max Operating Force (OF) 16.67 N (1700 gf) max Termination Screw terminal (Conduit size: G1/2) Ambient Temp -10°C to +80°C (no freezing) Standards & Approvals EN/IEC, UL, cUL, CCC