
Gewiss – GWA1221 – ChoruSmart Zigbee Axial Dimmer, 100–240 VAC, 4–150 W
The Gewiss GWA1221 ChoruSmart is a Zigbee-enabled axial dimmer module compatible with 100–240 VAC loads from 4 to 150 W. Ideal for Incandescent, LED, or halogen lighting, it fits into standard Chorus/Chiara modular frames and serves as a mesh router in smart-home systems controlled via Google Home, Alexa, and IFTTT.
Key Features & Specifications
Model / Code: GWA1221
Protocol: Zigbee IEEE 802.15.4, 10 dBm output power
Supply Voltage: 100–240 VAC, 50 / 60 Hz
Load Range: 4–150 W (incandescent, halogen, LED, fluorescent, electronic transformer)
Control Method: Trailing-edge dimming via two front push buttons & Zigbee commands
Inputs: 2 auxiliary inputs for switches or sensors, can send Zigbee commands
Mesh Role: Acts as Zigbee router/repeater
Indicators: Two configurable blue LEDs for night visibility and status
Dimensions & Mounting: 1-module width; fits Chorus/Chiara frames with GW1x553S/GW1x557S button keys
Operating Conditions: -5 °C to +45 °C, RH ≤93%; IP20 rating
Standards: EN 60669‑1/-2‑1; EN 300 328; EN 301 489; CE; RoHS