Azbil HP800-□□□ Self Contained Photoelectric Switches for Harsh Environments have a die-cast housing for strength, shock resistance to 1000 m/s2 and a high-performance seal, IP67G. They are resistant to most advanced cutting oils passing the JEM IP67G oil resistance tests for oil solutions and 2 types of water soluble cutting oils which are widely used for tooling processes. With regards to water-soluble cutting oil, the switches pass the product life test by the accelerated test method. Please refer to the specification in the documentation tab for more details. CE marked, UL approved.