SMF4 Touch Metal Piezo Switch Description Touch Metal Piezo Switch, 16mm mounting diameter, M16x1 thread, 21x21mm square recessed actuation area. Metal housings are milled, one piece construction and mounted with a nut. Aluminum housings are available in Silver, Red, Black, Green, Gold or Blue anodization. Approvals • MIL-STD - 810C, 202E, 461B, 462 • CE - EVERSWITCH products comply with Directives 2006/95/EEC for low voltage components. • IP Rating - IP69K Compatible with IEC 60529; EN 60529 • EMC: Directive 2004/108/EWG Characteristics • Proven Reliability: Tested for 50,000,000 cycles • Weatherproof: Used in harshest outdoor conditions • Touch Activated: Operable with gloves, tools, etc. • Sterilizable: Wash down proof up to 100 BAR • Vandal Resistant: For use in high traffic and abusive areas • Zero power required for keyswitch operation • Mimics a dry contact switch closure • Eliminates RFI, EMI and ESD issues • Five year warranty Customized Options A wide range of design options are available: connectors, switch function (prolonged, toggle, N.C., continuous, timer, slide and programmable types), current rating (up to 10A), graphics and housing dimensions and materials. We offer an embedded CPU for data output compatible with various communication protocols. Temperature compensated and thermal shock proof versions available as well. References SMF1, SMF2, SMF5, SMF6 TECHNICAL DATA Electrical Data Switch FunctionN.O. Momentary Switch Voltage0-24V AC/DC Switch Current0.2A std (0.5A option) Rated Breaking Capacity1W Operating Cycles>50,000,000 Switch Resistance OFF > 5 MO Switch Resistance ON< 20 O Capacity30 pF Pulse Duration 125-300mS Contact Configuration Free polarity Mechanical Data Housing Materials Aluminum 6061 T651 or Stainless Steel (303/304) Actuating Force3-5 Newton Connection 2x24 gauge wires Fastening Torque2.5 Nm Environmental Data Operating Temperature -40 to +125 °C