C&K PHA Series Short Stroke Pushbutton Switches Features/Benefits • Momentary or latching action • Low cost, reliable contact design • 2, 4 & 6 pole configurations • Sealed contacts • Optional buttons Pushbutton A Typical Applications • Computers and peripherals • Instrumentation and measurement equipment • Non-power, on-off switch applications Specifications Materials SWITCHING POWER MAX.: 3 W DC SWITCHING VOLTAGE MAX.: 30 V DC SWITCHING CURRENT MAX.: 100 mA DC DIELECTRIC STRENGTH (50 Hz/1 min.): 500 V between open contacts. 1500 V between chassis and contacts. OPERATING LIFE: Impulse/momentary (OA): ^ 104 operations. Latching (EE): ^ 104 operations CONTACT RESISTANCE: New: % 20 mΩ After 105 operations: % 40 mΩ INSULATION RESISTANCE: ^ 1010Ω CAPACITANCE: % 1.5 pF CONTACT BOUNCE: % 2 ms Operating speed 200 mm/s (7.87 inch/s) TOTAL TRAVEL/LATCHING TRAVEL: 2.5mm/1.5mm (.0984 inch/.0591 inch) OPERATING FORCE: 2U: 170cN±50cN (170 grams±50 grams) 4U: 230cN±70cN (230 grams±70 grams) 6U: 300cN±100cN (300 grams±100 grams) SEALING: Sealed contacts. FIXED TERMINAL: Brass, silver plated. MOVABLE CONTACT: Phosphor bronze, silver plated. SWITCH BODY: PPE ACTUATOR: POM STANDOFF CLIP: POM RETURN SPRING: Music wire. RETURN SPRING RETAINER: Carbon steel, tin plated. DETENT SPRING PLATE: Phosphor bronze. DETENT SPRING: Stainless steel. BASE: Laminated phenolic. TERMINAL SEAL: Epoxy. NOTE: Specifications and materials listed above are for switches with standard options. For information on specific and custom switches, consult Customer Service Center. Build-A-Switch To order, simply select desired option from each category and place in the appropriate box. Available options are shown and described on pages A-79 thru A-81. For additional options not shown in catalog, consult Customer Service Center. Switch Button P H A Contact Arrangement 2U 2 Changeovers 4U 4 Changeovers 6U 6 Changeovers Mechanical Function OA Momentary EE Push-push Indexed G001A Black G001G Gray G001I Ivory G001R Red Round G003A G003G G0031 G003R Black Gray Ivory Red Rectangular G002A Black G002G Gray G0021 Ivory G002R Red Square G004A G004G G0041 G004R Black Gray Ivory Red BUTTON REMOVAL A button of a push-push switch should only be removed in the “OFF” non-latching position. Dimensions are shown: IN (mm) Dimensions subject to change A-78 www.ittcannon.com C&K PHA Series Short Stroke Pushbutton Switches DESIGNATION 2U 2 CHANGEOVERS A Pushbutton PC MOUNTING 4U 4 CHANGEOVERS PC MOUNTING Third Angle Projection Dimensions are shown: IN (mm) Dimensions subject to change A-79 www.ittcannon.com C&K PHA Series Short Stroke Pushbutton Switches DESIGNATION 6U 6 CHANGEOVERS Pushbutton A PC MOUNTING CONTACT ARRANGEMENT OPTION CODE NO. OF POLES * SCHEMATIC 2U 2PDT 4U 4PDT 2X 6U 6PDT 3X *Non-shorting contacts. MECHANICAL FUNCTION OPTION CODE FUNCTION OA Momentary EE Push-push Third Angle Projection Dimensions are shown: IN (mm) Dimensions subject to change A-80 www.ittcannon.com C&K PHA Series Short Stroke Pushbutton Switches BUTTONS Indexed Rectangular G001A G001G G001I G001R G002A G002G G002I G002R Round G003A G003G G003I G003R Black Gray Ivory Red A Pushbutton Black Gray Ivory Red Square Black Gray Ivory Red G004A G004G G004I G004R Black Gray Ivory Red Third Angle Projection Dimensions are shown: IN (mm) Dimensions subject to change A-81 www.ittcannon.com