Kailh Blue Switch
Kailh
The Kailh switches are traditional mechanical switches that feature a pre-travel distance of 1.9 mm and a total travel distance of 4 mm. Using the popular MX form, these Kailh switches provide you with a brand-new feel without forcing you to let go of your favorite MX-style keycaps.
Appearance
Structure diagram
Travel diagram
Basic specs
| Mount | MX |
|---|---|
| Footprint | MX |
| Keycap stem | MX stem |
| Key pitch(mm) | 19.05 (MX) |
| Pins | 3 |
| Silent | − |
| RGB | ● |
| Factory lubed | − |
| Stem material | POM |
| Top housing material | PC |
| Bottom housing material | Nylon PA66 |
| Protecting cover material | − |
| Slider material | − |
| Light guide | − |
| Spring material and plating | Spring steel |
| Contact material | Composite gold |
Detailed specs
| Model number | CPG151801D08 |
|---|---|
| Series | Kailh Switch |
| Type | Clicky |
| Actuation force(gf) | 50 ±10 |
| Bottom-out force(gf) | − |
| Tactile force(gf) | 60 ±10 |
| Return force(gf) | >= 15 |
| Pre-travel(mm) | 1.9 ±0.4 |
| Total travel(mm) | 4.0 +0.0 / -0.4 |
| Tactile position(mm) | − |
| Operating life(Cycle) | 70 × 10⁶ or more |
| Spring stages | − |
| Spring length(mm) | − |
| Spring weight(gf) | − |
Data updated: 2026-04-26