C&K PHA Series Short Stroke Pushbutton Switches Features/Benefits Typical Applications • Momentary or latching action • Computers and peripherals • Low cost, reliable contact design • Instrumentation and A • 2, 4 & 6 pole configurations measurement equipment • Sealed contacts • Non-power, on-off n switch applications o • Optional buttons t t u b h s u P Specifications Materials SWITCHING POWER MAX.: 3 W DC FIXED TERMINAL: Brass, silver plated. SWITCHING VOLTAGE MAX.: 30 V DC MOVABLE CONTACT: Phosphor bronze, silver plated. SWITCHING CURRENT MAX.: 100 mA DC SWITCH BODY: PPE DIELECTRIC STRENGTH (50 Hz/1 min.): 500 V between open ACTUATOR: POM contacts. 1500 V between chassis and contacts. STANDOFF CLIP: POM OPERATING LIFE: Impulse/momentary (OA): ^ 104operations. RETURN SPRING: Music wire. Latching (EE): ^104operations RETURN SPRING RETAINER: Carbon steel, tin plated. CONTACT RESISTANCE: New: %20 mΩ DETENT SPRING PLATE: Phosphor bronze. After 105 operations: %40 mΩ INSULATION RESISTANCE: ^1010Ω DETENT SPRING: Stainless steel. BASE: Laminated phenolic. CAPACITANCE: %1.5 pF TERMINAL SEAL: Epoxy. CONTACT BOUNCE: %2 ms Operating speed 200 mm/s (7.87 inch/s) NOTE:Specifications and materials listed above are for switches with standard options. For information on specific and custom switches, consult Customer Service Center. 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. 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 Mechanical Function Indexed Round 2U 2 Changeovers OA Momentary G001A Black G003A Black 4U 4 Changeovers EE Push-push G001G Gray G003G Gray 6U 6 Changeovers G001I Ivory G0031 Ivory G001R Red G003R Red Rectangular Square G002A Black G004A Black G002G Gray G004G Gray G0021 Ivory G0041 Ivory G002R Red G004R 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 www.ittcannon.com A-78

C&K PHA Series Short Stroke Pushbutton Switches DESIGNATION 2U 2 CHANGEOVERS A P u s h b u t t o n PC MOUNTING 4U 4 CHANGEOVERS PC MOUNTING Third Angle Projection Dimensions are shown:IN(mm) Dimensions subject to change www.ittcannon.com A-79

C&K PHA Series Short Stroke Pushbutton Switches DESIGNATION 6U 6 CHANGEOVERS A n o t t u b h s u P PC MOUNTING CONTACT ARRANGEMENT OPTION CODE NO. OFPOLES * 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 www.ittcannon.com A-80

C&K PHA Series Short Stroke Pushbutton Switches BUTTONS Indexed Rectangular G001A Black G002A Black A G001G Gray G002G Gray G001I Ivory G002I Ivory G001R Red G002R Red P u s h b u t t o n Round Square G003A Black G004A Black G003G Gray G004G Gray G003I Ivory G004I Ivory G003R Red G004R Red Third Angle Projection Dimensions are shown:IN(mm) Dimensions subject to change www.ittcannon.com A-81