A pir sensor measures infrared light that is reflected off moving objects that emit heat.
2 way pir sensor switch.
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As one triggers it will automatically trigger other paired sensor.
The cable marked supply is connected to the consumer unit or some other source of power such as a fused connection unit or plug.
If you get stuck with an unsuitable pir design for other reasons the way out is to buffer the pir output with a mains relay.
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Wiring a 2 way switch to intermediate existing wiring.
Legrand adorne sensa 15 amp single pole 3 way vacancy switch graphite model asvs12g4 42 08 42 08.
2 way mini pir infra red sensor switch.
Be aware that the designs of pir sensor with a relay in are better in this regard than the ones that use semiconductor switches.
They are commonly used to detect movement of people and animals to trigger alarms and security lighting.
This sensor is ideal where two way switching is required with pir movement sensors top and bottom of stairs each side of a room or corridor etc.
2 gang 1 x intermediate 1 x 2 way light switch.
2 way switching intermediate old to new switches.
Topgreener in wall pir motion sensor light switch occupancy sensor switch on off override 4a 500w single pole neutral wire required tsos5 w white 2 pack 4 4 out of 5 stars 580 26 99 26.
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Lighting circuits connecting a pir motion sensor with an override switch.
Sensors that make the most sense we offer a broad selection of occupancy and daylight sensing devices for commercial and industrial settings.
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Lutron maestro 5 amp single pole or multi location motion sensor switch white 3 pack model ms ops5mh wh 3 89 91 89 91.
Available in a range of styles for different usage areas indoor and externally with pet friendly and smart technology options.