PHA Series Short Stroke Pushbutton Switches Features/Benefits • Momentary or latching action • Low cost, reliable contact design • 2 & 4 pole configurations • Sealed contacts • Optional buttons • RoHS compliant 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 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 contacts. 1500 V between chassis and contacts. ACTUATOR: POM OPERATING LIFE: 10,000 cycles at rated load RETURN SPRING: Music wire. CONTACT RESISTANCE: 20 m ohms initialΩ RETURN SPRING RETAINER: Carbon steel, tin plated. INSULATION RESISTANCE: 100 M ohmsΩ DETENT SPRING PLATE: Phosphor bronze. TOTAL TRAVEL/LATCHING TRAVEL: 2.5mm/1.5mm (.098 inch/.059 inch) DETENT SPRING: Stainless steel. OPERATING FORCE: 170 grams ± 50 grams (1.67 ± 0.98N) 230 grams ±50 grams (2.26 ± 0.98N) TERMINAL SEAL: Epoxy. SEALING: Sealed contacts. STANDOFF CLIP: POM BASE: Laminated phenolic. 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-85 thru A-87. For additional options not shown in catalog, consult Customer Service Center. Switch Button P H A Contact Arrangement 2U 2 Changeovers 4U 4 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: Inches (mm) Specifications and dimensions subject to change A-84 www.ck-components.com PHA Series Short Stroke Pushbutton Switches DESIGNATION Pushbutton 2U A 2 CHANGEOVERS PC MOUNTING 4U 4 CHANGEOVERS PC MOUNTING Third Angle Projection Dimensions are shown: Inches (mm) Specifications and dimensions subject to change A-85 www.ck-components.com PHA Series Short Stroke Pushbutton Switches Pushbutton A CONTACT ARRANGEMENT OPTION CODE NO. OF POLES * 2U 2PDT 4U 4PDT SCHEMATIC 2X *Non-shorting contacts. MECHANICAL FUNCTION OPTION CODE FUNCTION OA Momentary EE Push-push Third Angle Projection Dimensions are shown: Inches (mm) Specifications and dimensions subject to change A-86 www.ck-components.com PHA Series Short Stroke Pushbutton Switches BUTTONS A Rectangular G001A G001G G001I G001R G002A G002G G002I G002R Black Gray Ivory Red Round G003A G003G G003I G003R Pushbutton Indexed Black Gray Ivory Red Square Black Gray Ivory Red G004A G004G G004I G004R Black Gray Ivory Red Third Angle Projection Dimensions are shown: Inches (mm) Specifications and dimensions subject to change A-87 www.ck-components.com