Snap-acting
MS Series
Subminiature Snap-acting Switches
Features/Benefits Typical Applications
Detect interlock and movement Office equipment
Different lever options Consumer electronics
Various operating forces Appliances
Extended mechanical life Audio & visual equipment
UL approval on some designs Medical
Customization available Industrial meters
RoHS compatible and compliant
Specifications
Materials
CONTACT ARRANGEMENT: SPDT
COVER: PBT (UL94V-0)
CONTACT RATING: 5 A @ 125 VAC / 3 A @ 250 VAC
HOUSING: PBT (UL94V-0)
OPERATING LIFE: 1,000,000 cycles without load
6,000 cycles with load UL
KNOB: PBT (UL94V-0)
INITIAL CONACT RESISTANCE: 100 m max.
TERMINALS: Silver plated
INSULATION RESISTANCE: 100 M min. @ 500 VDC
NOTE: Specifications and materials listed above are for switches with standard
DIELECTRIC STRENGTH: 1000 VAC (50-60 Hz)
options. For information on specific and custom switches, consult Customer
OPERATING TEMPERATURE: -40C to + 85C
Service Center.
OPERATING FORCE: 130 30 gf
PRE-TRAVEL (PT): 0.6 mm max.
J
OVERTRAVEL: 0.5 mm max.
OPERATING POSITION (OP): 8.40 0.40 mm
PART NUMBER
MS-105A01
Standard Size
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
15 Jul 20
www.ckswitches.com
J51MS Series
Subminiature Snap-acting Switches
Specifications
PART NUMBER
CONTACT ARRANGEMENT: SPDT
CONTACT RATING: 5 A @ 125 VAC / 3 A @ 250 VAC
OPERATING LIFE: 1,000,000 cycles without load
MS-105A01-01
6,000 cycles with load UL
INITIAL CONACT RESISTANCE: 100 m max.
INSULATION RESISTANCE: 100 M min. @ 500 VDC
DIELECTRIC STRENGTH: 1000 VAC (50-60 Hz)
OPERATING TEMPERATURE: -40C to + 85C
OPERATING FORCE: 65 20 gf
PRE-TRAVEL (PT): 3.0 mm max.
OVERTRAVEL: 1.0 mm max.
OPERATING POSITION (OP): 9.40 1.0 mm
Materials
COVER: PBT (UL94V-0)
HOUSING: PBT (UL94V-0)
Standard Size
KNOB: PBT (UL94V-0)
TERMINALS: Silver plated
NOTE: Specifications and materials listed above are for switches with standard
options. For information on specific and custom switches, consult Customer
J
Service Center.
Specifications
PART NUMBER
CONTACT ARRANGEMENT: SPST
CONTACT RATING: 5 A @ 125 VAC / 3 A @ 250 VAC
OPERATING LIFE: 1,000,000 cycles without load
MS-105B01
6,000 cycles with load UL
INITIAL CONACT RESISTANCE: 100 m max.
INSULATION RESISTANCE: 100 M min. @ 500 VDC
DIELECTRIC STRENGTH: 1000 VAC (50-60 Hz)
OPERATING TEMPERATURE: -40C to + 85C
OPERATING FORCE: 230 50 gf
PRE-TRAVEL (PT): 0.6 mm max.
OVERTRAVEL: 0.5 mm max.
OPERATING POSITION (OP): 8.40 0.40 mm
Materials
COVER: PBT (UL94V-0)
Standard Size HOUSING: PBT (UL94V-0)
KNOB: PBT (UL94V-0)
TERMINALS: Silver plated
NOTE: Specifications and materials listed above are for switches with standard
options. For information on specific and custom switches, consult Customer
Service Center.
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
15 Jul 20
www.ckswitches.com
J52
Snap-acting