Product Description
ILC ILC-SWX-121-1-MS-BK Wall Switch Sensor, Dual Tech, Auto On, Low Voltage, Multi Sensor, Black
Note: The item shown above is white the color of the actual product is black.
Overview
The INTELLIGENT LIGHTING CONTROLS family of wall switch occupancy/vacancy sensors provides a simple and cost effective lighting control solution for many applications. Just like its line voltage counterpart, the low voltage INTELLIGENT LIGHTING CONTROLS wall switch sensor is designed with contractors in mind. Less than 1” deep, the unit is 25-40% shallower than typical dimmers and sensors, resulting in less crowed wall boxes. INTELLIGENT LIGHTING CONTROLS products utilize the latest passive infrared technology and digital signal processing techniques to provide unmatched motion detection performance. These units are also available with an integrated microphone to provide overlapping passive acoustic occupancy detection for rooms with obstructions or where occupant motion is limited.
Basic Operation
Sensors detect movement in the infrared energy that radiates from occupants as they move within the devices field-of-view. Once occupancy is identified, the sensor signals a connected power/relay pack to switch on the connected lighting. All stand alone units can also be configured to operate in Vacancy Mode (e.g., require lights be manually switched on). Once lights are on and if equipped with passive dual technology (PIR/Acoustic), the unit’s microphone is enabled to further enhance detection. An internal timer is set to keep lights on during brief periods of inactivity, and is reset every time occupancy is signaled by either the passive infrared or acoustic detection technologies. Ambient daylight detection can also be enabled in equipped units so that lights are held off in rooms with sufficient light contribution from windows or skylights. A Multi-Switch/Sensor option is also available to achieve more advanced control applications.
Features
- Enclosure is 25-40% Shallower than Other Sensors (< 1” Depth into Wallbox)
- Unique Bat-Wing Shaped Lens Provides Enhanced Peripheral Detection
- Wall-To-Wall Passive Infrared Small Motion Detection
- Passive Acoustic Detection (Optional) - Prevents False Offs when No Motion is Present
- 100% Passive Detection Methods - No Interference Potential from External Devices
- Configurable Sensor Settings Including Time Delays and Occupancy/Vacancy Operating Modes
- Blue Locator LED when Lights are Off
- Optional Wiring Connections for Multi-way or Multi-Sensor Applications
Ordering Information

Specifications
