Occupancy Sensors

BigSense Occupancy Sensors are quality, energy saving switches for enhanced control in the home. Our complete line of motion sensors deliver energy savings to help counter rising utility rates, along with fresh ideas to ensure optimal safety.Our convenient and dependable motion sensor solutions do the work for you, making energy savings entirely automatic.

The BS-C series are highly reliable, state-of-the-art passive infrared motion sensor switches from Big Sense. BS-C101 Passive Infrared Motion Sensor Switch is an energy saving product ideal for home and commercial uses.


Passive Infrared Sensors (or PIR Sensors) allows for motion sensing, almost always detect motion of humans moving across its sensing zones. They detect motion by sensing the heat generated by a moving body. The BS-C101 sensor is easy to install, rugged and economical.

The sensor unit is designed to monitor motion within the field of its view and activate an electrical load such as a lamp, in response to that movement. It offers benefits in safety and security, energy management, hospitality and true ‘hands-free’ switching convenience in wide range of applications.

Features and Benefits

Sleek design

Ceiling mount sensor

360° coverage

Adjustable coverage area from 3- 10 meters radius

Delayed OFF Timer: The sensor will turn lights OFF if no motion is detected after a specified time

Adjustable Time Delay from 10 seconds to 12 minutes

Visual LED indicator

Ambient Light Sensing for Dawn to Dusk operation


Power source: 220-240V/AC or 110 V-130V/AC

Power frequency: 50/60Hz

Time Delay: min: 10sec±3sec max: 12min±2min

Coverage area: 3-10 m (radii)

Light-control: 10 lux – daylight

Detection Angle: 360°

Rated Load: 1200W Max.tungsten (220-240V/AC) or 300W Max.fluorescent (220-240V/AC)

600W Max.tungsten (100-130V/AC) or 1500W Max.fluorescent (100-130V/AC)

Installation height: 2.5-3.5m

Detection motion speed: 0.6-1.5m/s

Power consumption: 0.45W (0.1 W in standby condition)

bigsensePIR Occupancy Ceiling Sensor Switch BS-C101