C&K 8700 Series Overtravel Pushbutton Switches
A Pushbutton
Features/Benefits • Extended pre-travel or over-travel • Heavy-duty brass plunger • Long electrical life — 100K cycles • RoHS compliant Typical Applications • Telecommunications • High end Instrumentation • Medical & test equipment • Detection
Specifications
CONTACT RATING: Q contact material: 1 AMP @ 120 V AC or 28 V DC. See page A-74 for additional ratings. 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. DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level. OPERATING TEMPERATURE: –30ºC to 65ºC.
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. NOTE: Specifications and materials listed above are for switches with standard options. For information on specific and custom switches, consult Customer Service Center.
Materials
CASE: Diallyl phthalate (DAP) (UL 94V-0). 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. TERMINALS: Q contact material: Copper alloy, silver plated. See page A-74 for additional contact materials. TERMINAL SEAL: Epoxy. 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
SWITCH FUNCTION POS. 1 NO. POLES SP POS. 2 ACTUATION FORCE 4.7 oz TYP. N.O. with overtravel SPST
A Pushbutton
MODEL NO.
TOTAL TRAVEL OFF MOM. .390 (9,91) TYP. with overtravel .311 TYP.
SCHEMATIC
8731
SPST
Part number shown: 8731SHZQE with overtravel .350 TYP.
SP
8732
OFF
MOM.
.390 (9,91) TYP.
2.2 oz TYP.
N.O. with overtravel SPST
SPST
Part number shown: 8732S1HZQE MOM. = Momentary
PLUNGER
S
.390" HIGH, BRASS
S1
.390" HIGH, PBT POLYESTER
Available with 8731 model only.
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
A Pushbutton
Z
SOLDER LUG
TERMINATIONS
CONTACT MATERIAL
OPTION CODE RoHS COMPLIANT * YES RoHS COMPATIBLE * YES CONTACT MATERIAL SILVER TERMINAL PLATING SILVER POWER RATINGS
Q B
1 AMP @ 125 V AC OR 28 V DC.
YES
YES
GOLD
GOLD
LOW LEVEL/DRY CIRCUIT
0.4 VA MAX. @ 20 V AC OR DC MAX.
* 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
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