J

J–51

Dimensions are shown: Inches (mm)

Specifications and dimensions subject to change

www.ckswitches.com

MS Series

Small Size Snap-acting Switches

Features/Benefits

• Detect interlock and movement

• Different lever options

• Various operating forces

• Extended mechanical life

• UL approval on some designs

• Customization available

• RoHS compatible and compliant

Typical Applications

• Office equipment

• Consumer electronics

• Appliances

• Audio & visual equipment

• Medical

• Industrial meters

Specifications

CONTACT ARRANGEMENT: SPDT

CONTACT RATING: 5 A @ 125 VAC / 3 A @ 250 VAC

OPERATING LIFE: 1,000,000 cycles without load

6,000 cycles with load UL

INITIAL CONACT RESISTANCE: 100 m½ max.

INSULATION RESISTANCE: 100 M ½ min. @ 500 VDC

DIELECTRIC STRENGTH: 1000 VAC (50-60 Hz)

OPERATING TEMPERATURE: -40ºC to + 85ºC

OPERATING FORCE: 130 ± 30 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)

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.

PART NUMBER

MS-105A01

15 Jul 20

Standard Size