KM1202A05B Datasheet, PDF (1/4 Pages) ITT Industries – Subminiature Pushbutton Switches

Features/Benefits
• Reliable contact design
• Available with pretravel
and overtravel
• Extended overtravel option
• RoHS compliant
C&K KM Series
Subminiature Pushbutton Switches
Typical Applications
• Alarm systems
A
• Computers
• Detector switch application
Models Available
Specifications
CONTACT RATING: Q contact material (KM11, KM12 Models):
0.25 AMPS @ 125 V AC or DC (UL); (KM33 Model): 1 AMP @
125 V AC or 28 V DC. See page A-67 for additional ratings.
ELECTRICAL LIFE: 10,000 actuations min. at full load.
CONTACT RESISTANCE: Below 30 mΩ typ. initial @ 2-4 V DC,
100 mA, for both silver and gold plated contacts.
INSULATION RESISTANCE: 109Ω min.
DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level.
OPERATING TEMPERATURE: –30ºC to 85ºC.
CAP INSTALLATION FORCE: 10 lbs. max. permissible.
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
HOUSING & BUSHING: 6/6 nylon (UL94V-2), black.
ACTUATOR: 6/6 nylon (UL 94V-2), natural. Internal o-ring seal,
available on KM11 & KM33 models.
MOVABLE CONTACT: B contact material: Bronze or copper,
with gold plate over nickel plate. See page A-67 for
additional contact materials.
STATIONARY CONTACTS & TERMINALS: B contact material:
Copper, with gold plate over nickel plate. See page A-67 for
additional contact materials.
RETURN SPRING: Music wire, phosphor coated.
MOUNTING NUT: Brass, nickel plated.
TERMINAL SEAL: Epoxy.
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-66 and A-68. For additional options not shown in catalog, consult Customer Service Center.
Switch Function
KM12 On-Mom., SPDT
KM11 Off-Mom., SPST, N.O.
KM33 On-Mom., SPST, N.C.
Actuator
02 .398" high, .122" dia. KM12
01 .122" dia. KM11,
Stepped, .108” dia. KM33
Bushing/Mounting Style
A Right angle
RR 1/4-40 thread, .225" high
Terminations
05 .110" quick connect
08 Right angle, PC thru-hole
02 PC Thru-hole
WC Wire lead
Contact Material
B Gold
Q Silver
Seal
NONE No seal
E Epoxy
A–65
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
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