Cherry L20-01A Leverwheel Switch 10 Position 11 Pin
The Cherry L20-01A is a precision-engineered 10-position leverwheel switch designed for reliable digital-to-binary conversion in industrial and electronic control systems. Featuring a unique 11-pin configuration, it utilizes a mechanical thumbwheel interface that allows users to cycle through digits 0–9 with tactile precision. Its compact design facilitates seamless panel mounting, while the robust internal contacts ensure long-term switching stability and minimal signal noise. Often used for preset addressing or parameter selection, the L20-01A’s binary-coded output provides a clear, high-durability solution for hardware-level data entry. This specific Cherry model remains a go-to component for engineers seeking a dependable, manual interface that bridges the gap between user input and logic circuitry.
Features
| Parameter | Value |
| Manufacturer | Cherry |
| Series | L-20 Leverwheel |
| Model | L20-01A |
| Type | Leverwheel Switch |
| Output Code | BCD |
| Print motif | 0-9 |
| Pin Configuration | Common + coded outputs (BCD) |
| Number of Positions | 10 |
| Number of Pins | 11 |
| Mounting Type | PCB Solder |
| Connection | Card Edge/Solder Pad |
| Construction | Modular construction |
| Lever Action | 90° rotation per position |
| Rotation Control | Optional stops for limiting rotation |
| Rated Current (max.) | 1 A |
| Switch Capacity | 0.1 A @ 50VAC / 28VDC |
| Contact Resistance | 200 mΩ max |
| Dielectric Strength | 600VAC for 1 minute |
| Temperature Range | -10°C to +65°C |
| Mechanical Life | 100,000 operations |
| Electrical Life | 50,000 operations |
Dimensions
Truth Table
Combination List
0 = C + 0
1 = C + 1
2 = C + 2
3 = C + 3
4 = C + 4
5 = C + 5
6 = C + 6
7 = C + 7
8 = C + 8
9 = C + 9
Pin Configuration
| Pin Number | Pin Name | Function / Description |
|---|---|---|
| 1 | C (Common) | Common terminal; internally connects to selected position output |
| 2 | 0 | Connected to Common when switch is at position “0” |
| 3 | 1 | Connected to Common when switch is at position “1” |
| 4 | 2 | Connected to Common when switch is at position “2” |
| 5 | 3 | Connected to Common when switch is at position “3” |
| 6 | 4 | Connected to Common when switch is at position “4” |
| 7 | 5 | Connected to Common when switch is at position “5” |
| 8 | 6 | Connected to Common when switch is at position “6” |
| 9 | 7 | Connected to Common when switch is at position “7” |
| 10 | 8 | Connected to Common when switch is at position “8” |
| 11 | 9 | Connected to Common when switch is at position “9” |
Applications
- Industrial Process Controllers.
- Test and Measurement Equipment.
- Medical Diagnostic Devices.
- Avionics and Cockpit Panels.
- Telecommunications Switching Gear.
- Power Distribution Units.
- Security System Keypads.
- Scientific Instrumentation.
- Military Hardware.
- Custom Machine Interfaces.
Package Contents
- 1 x Cherry L20-01A Leverwheel Switch 10 Position 11 Pin
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