Sensing and Control Interactive Catalog... www.honeywell.com/sensingManuals Manual Switches EPM Series Sealed Pushbutton Switches FEATURES 1 High-intensity LEDs indicate status 1 Front-of-panel, hard mounting changes brilliant color display can be 1 Compact size distinguished even under high ambient 1 Field-replaceable legends lighting conditions 1 UL recognized, CSA certified, and MIL- 1 Soft-glow LED backlighted legends for S-8805 qualified basic switches low ambient viewing 1 EPM22 electronic control and EPM32 1 Rugged sealed construction with- power duty switching for electrical stands effects of shock and vibration flexibility provides dependable switching/light- 1 Matching EPM41 indicators for uniform ed display in severe environment panel appearance applications 1 Choice of two housing styles: 1 Designed to comply with MIL-S-22885 Type C: Standard sealed EPM hous- 1 Suitable for use in NEMA 4 and 13 ings enclosures Type B: Enhanced sealed EPM hous- 1 Low travel (.030 in. max.), with tactile ings with IR filters for vehicle lighting se- feedback for definite feel of switching curity, designed to MIL-STD-461 (EMI action shielding), NBC compliance per AR70-71 EPM Series Sealed Pushbutton Switches ELECTRICAL FLEXIBILITY EASY TO INSTALL meet high-performance needs for rug- EPM switches can be furnished with one Front panel hard-mounting is quick and ged, compact size sealed switches that or two SPDT basics. EPM22 electronic easy. Only a screwdriver is needed to are exposed to water, oil, cleaning sol- control switches handle up to 1 amp, tighten the swing-out mounting lugs, vents, and many industrial chemicals. EPM32 power duty switches up to 7 which securely lock and seal the unit in They provide long, reliable operating life amps. the panel. Though the cover/bracket sim- under conditions of high shock and ply snaps onto the housing, it has inher- vibration in severe environment applica- ent tamper resistance. The cover can be tions. removed intentionally with a small screw- driver (or other tool) to add or change leg- In addition to being built to stand up to de- ends. manding environments, EPM switches 3 adhere to good human factors principles. EPMs 4-inch square panel cutout on 1- The design combines low travel with high inch centers is suited to row, column, or tactile feedback and meets arctic glove matrix arrays. requirements. Raised barriers on the be- zel enhance finger positioning and help prevent inadvertent operation of two CONSTRUCTION abutting units at one push. Lighted dis- Insert can be furnished with or without play options provide further application legends. If legends are to be backlight- versatility. ed, darker colors are recommended for the insert. Black provides maximum LED ILLUMINATION contrast in lighted legend displays. Long-life LEDs enable reliable illumina- tion. They resist effects of shock and vi- Diffuser plates specified for lighted leg- bration, reducing service and mainte- end devices are coated on the under- nance requirements. (Unlighted versions side for even illumination. When un- are also available.) lighted legends are specified, diffuser plates are molded from opaque plastic The following lighting functions can be and are not interchangeable with those furnished: High-intensity display using used for lighted legends. two LEDs to create a brilliant light signal that can be distinguished under high am- bient conditions, and/or a pair of LEDs which softly backlight the legend for view- ing under low ambient conditions. There is a choice of red, green or yellow LEDs. Matching indicators, which provide lighted display only, complement the switches to help present a uniform panel design. Honeywell Sensing and Control1 1-800-537-6945 USA1 F1-815-235-6847 International1 1-416-293-8111 Canada 75