1、Proximity switch is a position sensor with switch output that can be connected with microcomputer. 2、It also can drive directly from, electromagnetic relays, counters and contactor to achieve automatic control purposes. 3、It is a component widely used in automatic control industry for detecting, controlling, and non-contact switching. 4、When proximity switch is close to some target object, it will send out control signal. 5、It's widely used in machine, paper making, light industry for limiting station, orientation taking count, speeding trial etc. Feature: Proximity switch is a position sensor with switch output that can be connected with microcomputer. It also can drive directly from, electromagnetic relays, counters and contactor to achieve automatic control purposes. It is a component widely used in automatic control industry for detecting, controlling, and non-contact switching. When proximity switch is close to some target object, it will send out control signal. It's widely used in machine, paper making, light industry for limiting station, orientation taking count, speeding trial etc. Specification: Model SN04-N Detection distance 4mm ± 10% Set distance 0 - 3.6mm Delay distance <10% Detection distance Standard object Magnetic metal(Detection distance decreases for nonmagnetic metals) Detect standard object Iron 18*18*1mm Response frequency DC:0.5kHz AC:25Hz Power AC1000V 50/60Hz Consumption current N.P: <13mA, D: <0.8mA, A: <1.7mA Control Output N.P: <300mA, D:<200mA, A: <400mA Circuit protection A: Surge protection  N.P.D: Surge protection, Reverse Connection Protection, Short circuit protection Temperature range -25 -+60℃ Isolation Resistance >50MΩ Material ABS Storage and use temperature -30 - +65℃(No ice, no frost) Storage and use humidity 35 - 95%RH Package list: 1 * Switch Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.