Key Specifications Parameter Specification Model TL-N20MD1 Type Inductive Proximity Sensor Shape Rectangular / Square Shielding Unshielded (Non-shielded) Power Source DC 2-wire Operation Mode NO (Normally Open) Detection Specifications Parameter Specification Sensing Distance 20 mm ±10% Setting Distance 0 to 16 mm Differential Travel (Hysteresis) 10% max. of sensing distance Standard Sensing Object Iron 50 × 50 × 1 mm Detectable Object Ferrous metals (distance reduces for non-ferrous metals) Response Frequency 300 Hz (Average value) Electrical Specifications Parameter Specification Power Supply Voltage 12 to 24 VDC (ripple p-p 10% max.) Operating Voltage Range 10 to 30 VDC Control Output (Load Current) 3 to 100 mA Leakage Current 0.8 mA max. Residual Voltage 3.3 V max. (at 100 mA load, 2m cable) Protective Circuits Output short-circuit protection, Surge suppressor Indicators Operation indicator (red), Operation setting indicator (green) Environmental & Physical Specifications Parameter Specification Degree of Protection IP67 (IEC 60529) - Dust-tight and water-resistant Oil Resistance Oil-proof (Omron standard) Ambient Temperature (Operating) -25 to 70°C Temperature Influence ±10% max. of sensing distance (-25 to 70°C range) Voltage Influence ±2.5% max. (rated voltage ±15% range) Insulation Resistance 50 MΩ min. at 500 VDC Dielectric Strength 1,000 VAC 50/60 Hz for 1 min Vibration Resistance 10 to 55 Hz, 1.5 mm double amplitude, 2 hours each in X/Y/Z Shock Resistance 1,000 m/s², 10 times each in X/Y/Z Connection Method Pre-wired cable (2m or 5m lengths available) Dimensions (W × H × D) 40 mm × 41 mm × 53 mm Housing Material Heat-resistant ABS resin Sensing Surface Material Heat-resistant ABS resin Weight (Packed) Approx. 330 g