contrⒶLS · by ⒶCS · Wall switch
MSZ-KPI/50WM /ACS
Battery-free kinetic wall switch · 4 buttons · wireless mesh
Battery-free wall switch powered by the press itself. A built-in generator sends a mesh signal on every press, so there are no batteries and no wires. Four buttons cover on, off, dimming and warm or cool white scenes. US single-gang size, rated for more than 1,000,000 presses, with a 5-year warranty.
Button
ON
Light level
100%
Scene
—
Illustrative button sequence.
Downloads
Documents & tools
Documents
- DatasheetMSZ-KPI/50WM/ACSPDF ↓
- Quick SheetMSZ-KPI/50WM/ACSPDF ↓
- Sell SheetMSZ-KPI/50WM/ACSPDF ↓
- contrⒶLS Product GuideAll platforms · selection and orderingPDF ↓
Tools & support
- Rebate CenterFind utility rebates for networked controls.→
- Find A RepLocal controls support and quotes.→
- Documentation LibraryEvery contrⒶLS document in one place.→

ⒶCS appScan to download for iPhone. Commission, configure and manage the network.
App Store · iOS
Model specifications
MSZ-KPI/50WM/ACS
Performance
| Power | Self-powered generator |
|---|---|
| Battery | None |
| Hop range | 100 ft · free field |
| Press life | 1,000,000+ presses |
| Dimming range | 0.1 – 100% |
Electrical
| Protocol | Wireless mesh |
|---|---|
| Frequency | 2.4 GHz |
| Power required | None · kinetic |
| Wiring | None |
| Pairing | ⒶCS app |
Installation
| Form | US single-gang |
|---|---|
| Wallplate | Purchased separately |
| Orientation | "I" label above "O" label |
| Buttons | 4 · ON / OFF / CW / WW |
Construction
| Dimensions | 1.77 × 4.18 × 0.76 in |
|---|---|
| Housing | White ABS |
| Antenna | On-board |
| Color | White |
Compliance
| Listings | cULus · CE · FCC · RoHS |
|---|---|
| DLC NLC | — |
| Rating | IP20 |
| Warranty | 5 years |
How it works
Press, and the mesh carries it.
Power
The press is the battery
A built-in generator powers each signal. Nothing to replace.
Control
On, off, dim, tune
Click to switch, hold to dim. CW and WW recall scenes or tune white.
Install
Anywhere on the wall
No wires. Single-gang adapter; wallplate purchased separately.
Mesh
Joins the ⒶCS mesh
Input-only node. The nearest fixture sensor or controller relays the press.
Buttons
Four buttons. Click to switch, hold to dim or tune.
Button map · front4 buttons
At a glancedatasheet values
Hop range
100 ftFree field.
Press life
1M+Rated presses.
Dimming
0.1–100 %Range.
Size
1.77 × 4.18 in0.76 in deep.
Connector
None
No wiring. Mount with the "I" label above the "O" label or it will not pair correctly.
Where it fits
Works with
Also needed
Wallplate
Purchased separately
Platforms
Same plug-in idea, three ways to run it.
Bi-Level
Standalone
- Network
- None · standalone
- Set up with
- IR remote, dials or DIP
- Scale
- One fixture
- Input
- 10–15 Vdc · or line voltage
- Reporting
- —
- DLC NLC
- No · standalone
by ⒶCS
Mesh + cloud
- Network
- Wireless mesh
- Set up with
- ⒶCS app · QR code
- Scale
- Up to 500 nodes
- Input
- 12–24 Vdc · or line voltage
- Reporting
- Cloud dashboard · rebate export
- DLC NLC
- Listed · V5.2
by SILVAIR
Enterprise NLC
- Network
- Wireless mesh · SILVAIR
- Set up with
- SILVAIR app
- Scale
- 500+ nodes
- Input
- 12–24 Vdc
- Reporting
- BMS via open APIs
- DLC NLC
- Listed · V5.2
Order
Read the catalog number
MSZ
Wall switch
KPI
—
50WM
—
/ACS
by ⒶCS
Ordering information
At a glance
| Catalog number | MSZ-KPI/50WM/ACS |
|---|---|
| UPC | — |
| Listing | cULus · CE · FCC · RoHS |
| DLC | — |
| Warranty | 5 years |
| Brand | contrⒶLS |
| Platform | by ⒶCS |
| Manufacturer | Archipelago Lighting Group |
Not sure which platform?
Standalone, mesh or enterprise.
Start from the job: one fixture that dims itself, a building you want to see and report on, or a network that talks to the BMS.
Rebates
Check rebates before you specify.
Utility programs for lighting controls vary by service territory. The Rebate Center shows what applies to your site.