Push Button LEDs

Push button LEDs are a type of component that connects two different points in a circuit. When pressed these switch on an LED.

Structure of push button LEDs

Push button LEDs have a structure made up of four legs; two on one side and two on the other. The two legs on either side connect internally when the push button is pressed, allowing electricity to flow through the circuit.

How do push button LEDs work?

A single leg of the push button is connected via a 5v supply and the other one is connected with an LED via a resistor. When in neutral (i.e. not pushed) the push button does not allow the current to flow through it, but when it is pressed it completes the circuit and the LED will start to glow. The current will flow all the while when the push button is pressed. As soon as it is released, the LED will be turned off as the push-button breaks the circuit and stops the supply of electricity.


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Description Price Accessory Type For Use With LED Colour
RS Stock No. 352-755
Mfr. Part No.LAD-SR
BrandIdec
£1.71
Each (In a Pack of 5)
Units
LED A8 Series Red
RS Stock No. 352-733
Mfr. Part No.LAD-SY
BrandIdec
£1.71
Each (In a Pack of 5)
Units
LED A8 Series Yellow
RS Stock No. 745-0468
Mfr. Part No.3SB3901-1CG
BrandSiemens
£12.45
Each
Units
LED 3SB3 Series Red
RS Stock No. 745-0471
Mfr. Part No.3SB3901-1SB
BrandSiemens
£7.23
Each
Units
LED 3SB3 Series Red
RS Stock No. 125-1723
Mfr. Part No.AT631B
£5.98
Each
Units
LED KB Series Miniature Pushbuttons, LB Series Standard Size Panel Seal Pushbuttons, LB Series Standard Size Snap-in Pushbuttons, YB Series Short Body Pushbuttons, YB2 Series Panel Seal Pushbuttons White
RS Stock No. 125-1735
Mfr. Part No.AT633C
£0.686
Each (In a Bag of 5)
Units
LED HB Series Pushbuttons Red
RS Stock No. 125-1728
Mfr. Part No.AT634F24
£4.90
Each
Units
LED KB Series Pushbuttons Green
RS Stock No. 125-1725
Mfr. Part No.AT635F
£1.14
Each (In a Bag of 5)
Units
LED KB Series Pushbuttons Green
RS Stock No. 125-1734
Mfr. Part No.AT628D
£3.67
Each
Units
LED YB Series Pushbuttons Amber
RS Stock No. 125-1720
Mfr. Part No.AT627F24
£7.11
Each
Units
LED LB Series Pushbuttons Green
RS Stock No. 125-1729
Mfr. Part No.AT634C24
£4.41
Each
Units
LED KB Series Pushbuttons Red
RS Stock No. 125-1732
Mfr. Part No.AT633F
£0.686
Each (In a Bag of 5)
Units
LED HB Series Pushbuttons Green
RS Stock No. 125-1727
Mfr. Part No.AT635E
£1.14
Each (In a Bag of 5)
Units
LED KB Series Pushbuttons Yellow
RS Stock No. 125-1722
Mfr. Part No.AT627D24
£7.11
Each
Units
LED LB Series Pushbuttons Amber
RS Stock No. 125-1736
Mfr. Part No.AT633D
£0.686
Each (In a Bag of 5)
Units
LED HB Series Pushbuttons Amber
RS Stock No. 125-1726
Mfr. Part No.AT635C
£1.196
Each (In a Bag of 5)
Units
LED KB Series Pushbuttons Red
RS Stock No. 125-1721
Mfr. Part No.AT627C24
£7.11
Each
Units
LED LB Series Pushbuttons Red
RS Stock No. 125-1733
Mfr. Part No.AT628C
£3.30
Each
Units
LED YB Series Pushbuttons Red
RS Stock No. 181-7093
Mfr. Part No.AT621CF02
£5.23
Each
Units
LED YB Series Red/Green
RS Stock No. 125-1724
Mfr. Part No.AT632F
£5.98
Each
Units
LED KB Series Miniature Pushbuttons, LB Series Standard Size Panel Seal Pushbuttons, LB Series Standard Size Snap-in Pushbuttons, YB Series Short Body Pushbuttons, YB2 Series Panel Seal Pushbuttons Green
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