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PHA Series
Short Stroke Pushbutton Switches
A
Features/Benefits
? Momentary or latching action
? Low cost, reliable contact design
? 2 & 4 pole configurations
? Sealed contacts
? Optional buttons
? RoHS compliant
Typical Applications
? Computers and peripherals
? Instrumentation and
measurement equipment
? Non-power, on-off
switch applications
Specifications
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: 10,000 cycles at rated load
CONTACT RESISTANCE: 20 m ohms initial ?
INSULATION RESISTANCE: 100 M ohms ?
TOTAL TRAVEL/LATCHING TRAVEL: 2.5mm/1.5mm
(.098 inch/.059 inch)
OPERATING FORCE:
170 grams ± 50 grams (1.67 ± 0.98N)
230 grams ±50 grams (2.26 ± 0.98N)
OPERATING TEMPERATURE: -10?C to 60?C
SEALING: Sealed contacts.
Materials
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-85 thru A-87. For additional options not shown in catalog, consult Customer Service Center.
Switch
P H A
Button
Contact Arrangement
Mechanical Function
Indexed
Round
2U 2 Changeovers
4U 4 Changeovers
OA Momentary
EE Push-push
G001A Black
G001G Gray
G001I
Ivory
G001R Red
G003A
G003G
G0031
G003R
Black
Gray
Ivory
Red
Rectangular
Square
G002A Black
G002G Gray
G0021 Ivory
G002R Red
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
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