Cherry Switches
• Thumbwheel
• Leverwheel
• Pushwheel
C & K Switches
• Miniature Thumbwheel
• Thumbwheel
• Precision Snap-Acting
• Miniature Snap-Acting
• Electrical Slip Rings
• Miniature Slip Rings
• Slip Ring Assemblies
• Standard Slip Rings
• Commutator Slip Rings
Homepage 
Products Switches C & K Switches Thumbwheel Switch SR Series
C & K Switches
Thumbwheel Switches
SR Series
 |
 |
Features/Benefits
- Electronic applications
- Multiple wheel markings available to customize application
Specifications
- CONTACT RATING:
- CARRY: 3 AMP continuous
- SWITCH: 0.4 VA max., 50 mA max., 28 V DC or 120 V AC max.
- OPERATING VOLTAGE: 50 mV to 28 V DC or 120 V AC.
- CONTACT RESISTANCE: Below 100 milliohms typ. @ 2-4 V DC, 100 mA.
- INSULATION RESISTANCE: 109 ohms min. (dry).
- DIELECTRIC STRENGTH: 500 V RMS min. @ sea level. between common terminal and any output.
- OPERATING TEMPERATURE: -40℃ to 70℃.
Dimensions
- 1.145 inches x .312 inches x 1.300 inches
Typical Applications
- Test & measurement equipment
- Instrumentation
- Computer peripherals
Materials
- HOUSING: ABS plastic (UL 94V-0).
- THUMBWHEEL: ABS plastic (UL 94V-0).
- ROTOR CONTACTS: Precious metal on copper alloy.
- STATOR CONTACTS: Hard gold over nickel over copper on epoxy fiberglass.
Literature