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September 08, 2026 3 min read
Installation guide for Leviton's Euro Style Self-Powered (battery-free) Wireless Light Switches, Cat. No. WSS0S-Exx.
Installation guide for Leviton's Euro Style Self-Powered Wireless Light Switches (Cat. No. WSS0S-Exx) — battery-free wireless transmitters that generate their own power when pressed and communicate wirelessly with a range of compatible receivers.
Every time either switch rocker is pressed, a small built-in micro-generator produces a small electrical current that powers a built-in transmitter. That transmitter sends a wireless signal commanding a paired receiver to turn a device off or on — and with the right receiver, can even control light dimming. No batteries, no wiring back to a control panel.
TO AVOID FIRE, SHOCK, OR DEATH: turn OFF power at the circuit breaker or fuse and test that power is off before wiring. Install and use in accordance with applicable electrical codes; if unsure about any part of these instructions, consult an electrician.
| Spec | WSS0S-E0x | WSS0S-E2x |
|---|---|---|
| Range | 50–150 feet | |
| Frequency | 315 MHz | |
| Power Supply | Self-generated when switch is pressed | |
| Channels | 2 buttons (1 rocker) | 4 buttons (2 rockers) |
| Dimensions | 3.39 (W) x 3.29 (H) x 0.41 (D) inches | |
| Radio Certification | FCC (US): SZV-PTM200C · IC (Canada): 57131A-PTM200C | |
| Addressing | Factory-set unique ID (1 of 4 billion) | |
A battery-free wireless switch (WSS0S-E0x or E2x) can pair with a receiver such as a 5-Wire Relay to control a light fixture, or with an LV Room Controller / thermostat receiver to manage HVAC/PTAC equipment — all without running new low-voltage wiring back to a panel.
Contains FCC ID: SZV-PTM200C, IC: 57131A-PTM200C. This device complies with Part 15 of the FCC Rules. Operation is subject to two conditions: (1) it may not cause harmful interference, and (2) it must accept any interference received, including interference that may cause undesired operation.
Leviton warrants to the original consumer purchaser that this product is free of defects in materials and workmanship under normal, proper use for two years from the purchase date. Leviton's only obligation is to repair or replace the product (at its option) if returned prepaid within the warranty period, with proof of purchase and a description of the problem, to Leviton Manufacturing Co., Inc., Attn: Quality Assurance Department, 201 North Service Road, Melville, New York 11747. This warranty excludes labor for removal/reinstallation and is void if the product is installed improperly, in an improper environment, overloaded, misused, opened, abused, or altered, or not used per the included instructions. Leviton is not liable for incidental, indirect, special, or consequential damages.
Technical Assistance: 1-800-824-3005 (U.S.A. Only) · www.leviton.com
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