Inductive proximity switch Features: 1) Multiplicity appearance 2) Compact volume 3) High repeat orientation precision 4) Many output form 5) Strong protection distribution 6) High on-off frequency commonly 600Hz 7) Wide voltage range 8) Dustproof, vibration-proof, waterproof and oil-proof 9) With short-circuit protection and inverted connecting protection 10) Service life up to one million 11) Adopts envelop glue, temperature resist, oil-proof colophony in it 12) Limit upgrade product