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Do PIR Motion Sensors / Switches Save Energy ?

Published on 7th November, 2019By Highly Components

Motion sensitive light switches are increasing in popularity.You see them more and more in corporate and public spaces, as they are used for conserving energy, automatically switches-off unused lights after continuous inactivity, significantly reducing energy expenses thereby electricity bills. But do you need to install these light switches in your home? Maybe not in every room.

There are two main benefits of motion sensors in your home: convenience and security.


Motion sensors are perfect for your front door, so you don't have to burst through your keys trying to get in at night. As you are approached you will not travel on any steps or plants.

Inside your home, you should never reach for a wall or lamp for a room's light, perfect for attached toilets for bed rooms.

When you go to bed, you should not bother to check if there are any lights left.


In case of a break in the house, motion sensor lights can stop criminals, who otherwise would have gone unnoticed.

It is an effective way to improve the security of your home without spending a lot of money on a security system.

Are motion sensors meaningful at home?

To reply to movement, these mild switches are continually on standby and thus eat a few amount of phantom power. So unless you forget to turn off your 60-watt light bulb for 14 hours every day for a year, the cost of purchasing and powering the standby light switch is not worth the investment.

It is very unlikely that you are leaving your lights on often, especially in high traffic locations, such as the living room or kitchen. In these cases, be sure to install LED bulbs, even if the lights are left on for a long time, but their energy output is minimal. It is probably best to install a motion sensor in a medium or low-traffic area where you accidentally leave the light on and do not notice. This may include cupboards, bathrooms, entry doors, utility cupboards, garages or guest rooms.

Motion sensors may be best suited for offices and retail stores, as they remove the last employee from responsibility for checking that every light is off. In these settings, motion sensors can be connected to a large number of lights, making the purchase of sensors more affordable.

If you are really concerned about saving energy and money, then you are better off installing energy-efficient lights in your home. CFLs and LED bulbs consume less energy than their incandescent counterparts, greatly reducing the effect of dropping one.

Hamilton Electronics Pvt. Ltd.

Hamilton Electronics Pvt. Ltd. , is an ISO 9001 : 2000 Certified Company , engaged in the manufacturing of Switches & Sensors for Security Alarm Systems , Magnetic Door Contacts, Magnetic Security Switches and host of other Sensors.

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PIR Sensors passive infrared detector that will give you the edges over the competition and secure your business contract in today's price oriented market. The company has a consistent record of growth and expansion with fast increasing sales turnover since its inception.

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Float Sensor

Float Sensor is an electrical ON/OFF Switch, which operates automatically when liquid level goes up or down with respect to specified level. The Signal thus available from the Float Sensor can be utilized for control of a Motor Pump or an allied electrical element like Solenoid, Lamps.

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