1、NON CONTACT SENSOR: The proximity switch is also called non contact switch. When the object reaches the operating distance of the sensing surface, it does not need mechanical contact and apply any pressure, operate automatically! 2、MULTI PURPOSE: Proximity switch can be used for limit, counting, positioning control and automatic protection in automatic control system. 3、IP65 WATERPROOF: The shell of the switch is made of premium ABS and stainless steel material, IP65 waterproof, and can be used for a long time. 4、WIDE APPLICATION: The proximity switch is widely used in machine tool, metallurgy, chemical industry, light textile, printing and other industries. 5、REVERSE CONNECTION PROTECTION: The switch has built in power reverse connection protection, short circuit protection and non contact detection device. 6、APPLICABLE RESISTANCE: The proximity switch supports insulation resistance above 50M Ω, check for better using experience! Item Type: Inductive Proximity Sensor Material: ABS Maximum Output Current: 300mA Action Distance: Approx. 8mm / 0.3in Repetitive Positioning Accuracy: 0.1mm Working Frequency: 150Hz Output Type: NPN normally open Working Temperature: - 25 ℃ to +75 ℃ Protection Grade: IP65 5 x Inductive Proximity Sensor