ITT 8700

C&K 8700 Series
Overtravel Pushbutton Switches
Features/Benefits
• Extended pre-travel or over-travel
• Heavy-duty brass plunger
• Long electrical life — 100K cycles
• RoHS compliant
Pushbutton
A
Typical Applications
• Telecommunications
• High end Instrumentation
• Medical & test equipment
• Detection
Specifications
Materials
CONTACT RATING: Q contact material: 1 AMP @
120 V AC or 28 V DC. See page A-74 for additional ratings.
CASE: Diallyl phthalate (DAP) (UL 94V-0).
ELECTRICAL LIFE: 100,000 actuations at full load.
CONTACT RESISTANCE: Below 30 mΩ typ. Initial @
2-4 V DC, 100 mA.
INSULATION RESISTANCE: 103Ω min.
PLUNGER:
8731 – .390" brass, nickel plated.
8732 – .390" PBT polyester, black.
BUSHING: brass, nickel plated.
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.
NOTE: Specifications and materials listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
HARDWARE: Nut: Brass, nickel plated; lockwasher: Steel, bright nickel
plate. One mounting nut & lockwasher supplied with all switches.
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
Z Solder lug
Contact Material
Q Silver
B Gold
Seal
E Epoxy
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
A–72
www.ittcannon.com
C&K 8700 Series
Overtravel Pushbutton Switches
SWITCH FUNCTION
A
Pushbutton
SWITCH FUNCTION
POS. 1
NO.
POLES
SP
POS. 2
MODEL NO.
8731
ACTUATION
FORCE
TOTAL TRAVEL
OFF
SCHEMATIC
MOM.
.390 (9,91) TYP.
with overtravel
.311 TYP.
4.7 oz TYP.
N.O. with overtravel
SPST
MOM.
.390 (9,91) TYP.
with overtravel
.350 TYP.
2.2 oz TYP.
N.O. with overtravel
SPST
SPST
Part number shown: 8731SHZQE
SP
8732
OFF
SPST
Part number shown: 8732S1HZQE
MOM. = Momentary
PLUNGER
S
S1
.390" HIGH, BRASS
Available with 8731 model only.
.390" HIGH, PBT POLYESTER
Available with 8732 model only.
BUSHING
H
.250" HIGH
PANEL MOUNTING
Third Angle
Projection
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
A–73
www.ittcannon.com
C&K 8700 Series
Overtravel Pushbutton Switches
TERMINATIONS
Pushbutton
A
Z
SOLDER LUG
CONTACT MATERIAL
OPTION
CODE
RoHS
COMPLIANT *
RoHS
COMPATIBLE *
CONTACT
MATERIAL
TERMINAL
PLATING
Q
YES
YES
SILVER
SILVER
POWER
1 AMP @ 125 V AC OR 28 V DC.
B
YES
YES
GOLD
GOLD
LOW LEVEL/DRY CIRCUIT
0.4 VA MAX. @ 20 V AC OR DC MAX.
RATINGS
* Note: See Technical Data section of this catalog for RoHS compliant and compatible definition and specifications.
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.
SEAL
E
EPOXY SEAL
Third Angle
Projection
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
A–74
www.ittcannon.com