Jellyfish Y Box Switch
Kailh
The Kailh Box Jellyfish Switch is a unique box switch with durable PC housings and a special nylon stem design. It has a jellyfish-like transparent appearance, IP54 splash, and dust resistance. Its box structure also provides closed-loop protection for the switch.
Appearance
Structure diagram
Travel diagram
Basic specs
| Mount | Kailh BOX |
|---|---|
| Footprint | MX |
| Keycap stem | MX stem |
| Key pitch(mm) | 19.05 (MX) |
| Pins | 5 |
| Silent | − |
| RGB | ● |
| Factory lubed | − |
| Stem material | Nylon |
| Top housing material | PC |
| Bottom housing material | PC |
| Protecting cover material | PC |
| Slider material | POM |
| Light guide | − |
| Spring material and plating | Spring steel |
| Contact material | Composite gold |
Detailed specs
| Model number | CPG1511F01S70 |
|---|---|
| Series | Jellyfish Box Switch |
| Type | Linear |
| Actuation force(gf) | 50 ±10 |
| Bottom-out force(gf) | − |
| Tactile force(gf) | − |
| Return force(gf) | >= 15 |
| Pre-travel(mm) | 1.8 ±0.4 |
| Total travel(mm) | 3.6 ±0.3 |
| Tactile position(mm) | − |
| Operating life(Cycle) | 100 × 10⁶ or more |
| Spring stages | − |
| Spring length(mm) | 18 |
| Spring weight(gf) | − |
Data updated: 2026-04-26