C&K 8700 Series
Overtravel Pushbutton Switches
Features/Benefits
Typical Applications
• Telecommunications
• High end Instrumentation
• Medical & test equipment
• Detection
A
• Extended pre-travel or over-travel
• Heavy-duty brass plunger
• Long electrical life — 100K cycles
• RoHS compliant
Specifications
Materials
CONTACT RATING: Q contact material: 1 AMP @
CASE: Diallyl phthalate (DAP) (UL 94V-0).
PLUNGER:
8731 – .390" brass, nickel plated.
120 V AC or 28 V DC. See page A-74 for additional ratings.
ELECTRICAL LIFE: 100,000 actuations at full load.
8732 – .390" PBT polyester, black.
CONTACT RESISTANCE: Below 30 mΩ typ. Initial @
2-4 V DC, 100 mA.
BUSHING: brass, nickel plated.
3
INSULATION RESISTANCE: 10 Ω min.
CONTACTS: Q contact material: Coin silver, silver plated. See page
A-74 for additional contact materials.
DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level.
OPERATING TEMPERATURE: –30ºC to 65ºC.
TERMINALS: Q contact material: Copper alloy, silver plated. See page
A-74 for additional contact materials.
NOTE: Any models supplied with Q, or B contact material are RoHS compliant. For the
latest information regarding RoHS compliance, please go to: www.ittcannon.com/rohs.
TERMINAL SEAL: Epoxy.
HARDWARE: Nut: Brass, nickel plated; lockwasher: Steel, bright nickel
plate. One mounting nut & lockwasher supplied with all switches.
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-73 and A-74. For additional options not shown in catalog, consult Customer Service Center. All
models have epoxy terminal seal and are compatible with all “bottom-wash” PCB cleaning methods.
Switch Function
8731 SPST Off-Mom.
8732 SPST Off-Mom.
Plunger
S
.390" high, brass
S1 .390" high, polyester
Bushing
H
.250" high
Terminations
Solder lug
Z
Contact Material
Q
B
Silver
Gold
Seal
Epoxy
E
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ittcannon.com
A–72