Nerdy Nest
Kailh Box Red V2 Switches – Smooth Light Linear with Box Stem & IP54 Dust/Moisture Resistance | 5-Pin, Pack of 10
Kailh Box Red V2 Switches – Smooth Light Linear with Box Stem & IP54 Dust/Moisture Resistance | 5-Pin, Pack of 10
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Warranty Policy
Warranty Policy
Warranty depends on the brand and the product itself. Read up on the detailed policy here.
A light 40gf linear with Kailh's Box stem — enclosed for stability and reduced wobble, with genuine IP54 dust and moisture resistance. Factory-lubed, smooth out of the box, and rated for 80M clicks.
Read the full description
The Kailh Box Red V2 delivers precision and consistency in a 5-pin linear switch built for gamers, typists, and keyboard enthusiasts. A smooth keypress with a light 40gf operating force makes it well suited to both rapid inputs and long typing sessions.
The defining feature is Kailh's Box Stem — the enclosed stem design improves stability, reduces wobble, and brings IP54-rated dust and moisture resistance, giving the switch durability even in tougher environments (a genuine point of difference from standard open-stem switches). Each switch is factory-lubricated for a smoother press out of the box, minimising friction and improving overall feel.
At 40gf actuation and 50gf bottom-out across 1.8mm pre-travel and 3.6mm total travel, the Box Red V2 sits in a light, comfortable range with a balanced feel for both gaming and typing. With a rated 80-million-keystroke lifespan, it combines performance, reliability, and longevity — a strong pick whether you're building your first custom keyboard or upgrading an existing one.
🌟 Key Features
- Linear Switch — Smooth, consistent keystrokes
- Box Stem Technology — Enclosed stem for enhanced stability and reduced key wobble
- IP54 Dust & Moisture Resistance — Added durability against dust and liquid ingress
- Light 40gf Operating Force — Lightweight actuation for fast input and low fatigue
- Factory Lubricated — Smoother keystrokes straight out of the box
- 80M-Click Rated Lifespan — Built for long-term reliability
- 5-Pin Compatible — Fits 5-pin hot-swap and soldered PCBs
⚙️ Specifications
| Brand | Kailh |
| Model | Box Red V2 |
| Switch Type | Linear |
| Pin Count | 5-Pin |
| Operating Force | 40 ±10gf |
| Bottom-Out Force | 50gf |
| Rebound Force | ≥15gf |
| Pre-Travel | 1.8mm ±0.4mm |
| Total Travel | 3.6mm ±0.3mm |
| Stem | Box Stem — POM |
| Top Housing | PC (Polycarbonate) — Translucent Black |
| Bottom Housing | Nylon — Solid Black |
| Contact Pins | Composite Gold Metal |
| Spring | 19mm Gold-Plated Steel |
| Protection Rating | IP54 (Dust & Moisture Resistant) |
| Lubrication | Factory Lubricated |
| Rated Life | 80M Clicks |
| Pack Size | 10 Switches |
📦 How Many Do I Need?
Switches are sold in packs of 10. As a rough guide: a 60/65% board needs ~68 switches (7 packs), a 75% ~84 (9 packs), a TKL ~87 (9 packs), and a full-size ~104 (11 packs). Buy a pack or two extra if you want spares.
✅ Genuine Kailh
Sourced directly from Kailh / official distribution — these are genuine Kailh Box Red V2 switches, not clones or relabels.
🎯 Perfect For
- Gamers who want light, fast linear actuation with a stable keystroke
- Typists after a smooth, low-fatigue switch for long sessions
- Builders who want the dust/moisture resistance of a Box stem for a more durable board
- First-time builders and upgraders after a reliable, factory-lubed linear
