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. 745-0468
Mfr. Part No.3SB3901-1CG
BrandSiemens
MYR74.08
Each
units
LED 3SB3 Series Red
RS Stock No. 181-7094
Mfr. Part No.AT634F05
MYR25.89
Each
units
LED KB Series, YB Series, YB2 Series Green
RS Stock No. 125-1719
Mfr. Part No.AT625G
MYR32.19
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 Blue
RS Stock No. 125-1720
Mfr. Part No.AT627F24
MYR38.16
Each
units
LED LB Series Pushbuttons Green
RS Stock No. 125-1733
Mfr. Part No.AT628C
MYR16.81
Each
units
LED YB Series Pushbuttons Red
RS Stock No. 181-7093
Mfr. Part No.AT621CF02
MYR25.89
Each
units
LED YB Series Red/Green
RS Stock No. 125-1732
Mfr. Part No.AT633F
MYR5.69
Each (In a Bag of 5)
units
LED HB Series Pushbuttons Green
RS Stock No. 181-7096
Mfr. Part No.AT634D05
MYR28.84
Each
units
LED KB Series, YB Series, YB2 Series Amber
RS Stock No. 125-1730
Mfr. Part No.AT634D24
MYR28.22
Each
units
LED KB Series Pushbuttons Amber
RS Stock No. 125-1735
Mfr. Part No.AT633C
MYR5.69
Each (In a Bag of 5)
units
LED HB Series Pushbuttons Red
RS Stock No. 352-733
Mfr. Part No.LAD-SY
BrandIdec
MYR10.174
Each (In a Pack of 5)
units
LED A8 Series Yellow
RS Stock No. 181-7095
Mfr. Part No.AT634C05
MYR25.89
Each
units
LED KB Series, YB Series, YB2 Series Red
RS Stock No. 125-1724
Mfr. Part No.AT632F
MYR32.19
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
RS Stock No. 125-1727
Mfr. Part No.AT635E
MYR6.784
Each (In a Bag of 5)
units
LED KB Series Pushbuttons Yellow
RS Stock No. 125-1721
Mfr. Part No.AT627C24
MYR38.16
Each
units
LED LB Series Pushbuttons Red
RS Stock No. 125-1725
Mfr. Part No.AT635F
MYR6.91
Each (In a Bag of 5)
units
LED KB Series Pushbuttons Green
RS Stock No. 745-0471
Mfr. Part No.3SB3901-1SB
BrandSiemens
MYR43.02
Each
units
LED 3SB3 Series Red
RS Stock No. 125-1729
Mfr. Part No.AT634C24
MYR28.22
Each
units
LED KB Series Pushbuttons Red
RS Stock No. 125-1726
Mfr. Part No.AT635C
MYR6.91
Each (In a Bag of 5)
units
LED KB Series Pushbuttons Red
RS Stock No. 181-7097
Mfr. Part No.AT636F05
MYR35.42
Each
units
LED YB2 Series Green
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