Push Button Heads

Push button heads are a key component part of push buttons, which are a simple type of switch mechanism used to control one aspect of a machine or device. They are the part that is pressed to operate the switch, and are often composed of a hard material such as metal or plastic.

What are push button heads used for?

The push button head is the part of a push button that is pressed down upon when the button is operated. In an industrial setting, they are often used to start or stop heavy machinery. Push button heads are usually colour coded to make their function clear and sometimes shaped to conform to fingers or hands.

Types of push button heads

Push button heads largely vary by material, colour and shape, depending on what you use them for. An emergency stop button, for example may be bright red, with a larger head for quick and easy use in an emergency situation. Buttons for turning machinery on and off may be flat so that they lie flush inside a push button control stationhousing and can't be knocked or used accidentally.


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Description Price Series Cutout Diameter Push Button Colour Push Button Shape Push Button Actuation Push Button Style Push Button Material IP Rating Push Button Marking Push Button Diameter Body/Fixing Collar Included Hazardous Area Certification Priced to Clear
RS Stock No. 193-2971
Mfr. Part No.3SU1031-1BD70-0AA0
BrandSiemens
£9.04
Each
Units
SIRIUS ACT 22mm Clear Round Momentary Illuminated Mushroom Plastic IP66, IP67, IP69K - 40mm - - -
RS Stock No. 135-5583
Mfr. Part No.3SU1000-0AA40-0AA0
BrandSiemens
£8.34
Each
Units
SIRIUS ACT 22mm Green Round Latching Flat Plastic IP66, IP67, IP69K - 29.5mm - - -
RS Stock No. 193-3347
Mfr. Part No.3SU1051-1ED20-0AA0
BrandSiemens
£29.51
Each
Units
SIRIUS ACT 22mm Red Round Momentary Illuminated Mushroom Plastic IP66, IP67, IP69K - 40mm - - -
RS Stock No. 185-8873
Mfr. Part No.ZB5FA235
£6.42
Each
Units
ZB5 30mm Black Round Momentary Flush Plastic (Bezel) IP66, IP67, IP69K OFF 36.6mm - - -
RS Stock No. 167-9024
Mfr. Part No.ZB5FA36
£13.18
Each
Units
Harmony ZB5 30mm Green Round Momentary Recessed Plastic IP66, IP67, IP69K Unmarked 37mm Yes - -
RS Stock No. 135-5628
Mfr. Part No.3SU1050-3AB42-0AK0
BrandSiemens
£4.93
Each
Units
SIRIUS ACT 22mm Green, Red Oval Momentary Flat Plastic IP66, IP67, IP69K - 29.9mm - - -
RS Stock No. 168-3822
Mfr. Part No.HW1A-B4G
BrandIdec
£2.13
Each
Units
HW - Green Round - Mushroom Polyacetal IP20 Unmarked 40mm - - -
RS Stock No. 185-8898
Mfr. Part No.ZB5FH83
£16.35
Each
Units
ZB5 30mm Yellow Round Maintained Flush Plastic (Bezel) IP66, IP67, IP69K Unmarked 36.5mm - - -
RS Stock No. 167-9150
Mfr. Part No.ZB5FL5
£5.93
Each
Units
Harmony ZB5 30mm Yellow Round Momentary Extended Plastic IP66, IP67, IP69K Unmarked 37mm Yes - -
RS Stock No. 193-3578
Mfr. Part No.3SU1050-1EA10-0AA0
BrandSiemens
£32.67
Each
Units
SIRIUS ACT 22mm Black Round Latching - Plastic IP66, IP67, IP69K - 40mm - - -
RS Stock No. 193-5217
Mfr. Part No.3SU1051-0AA30-0AA0
BrandSiemens
£9.42
Each
Units
SIRIUS ACT 22mm Yellow Round Latching Flat Plastic IP66, IP67, IP69K - 29.5mm - - -
RS Stock No. 193-3002
Mfr. Part No.3SU1031-3AB42-0AA0
BrandSiemens
£9.73
Each
Units
SIRIUS ACT 22mm - Oval Momentary Flat Plastic IP66, IP67, IP69K - - - - -
RS Stock No. 136-5530
Mfr. Part No.182950 & M30C-FDRL-W
BrandEaton
£10.45
Each
Units
M30 30mm White Round Maintained Flush Metal IP67 - 36mm - - -
RS Stock No. 620-6254
Mfr. Part No.70011304 & M22-DRLH-W-X0+M22-A
BrandEaton
£17.01
Each
Units
M22 22mm White Round Maintained Round Plastic IP69K O 29.7mm Yes - -
RS Stock No. 167-9032
Mfr. Part No.ZB5FA6
£5.25
Each
Units
Harmony ZB5 30mm Blue Round Momentary Flush Plastic IP66, IP67, IP69K Unmarked 37mm Yes - -
RS Stock No. 135-5582
Mfr. Part No.3SU1000-0AA30-0AA0
BrandSiemens
£8.34
Each
Units
SIRIUS ACT 22mm Yellow Round Latching Flat Plastic IP66, IP67, IP69K - 29.5mm - - -
RS Stock No. 167-9023
Mfr. Part No.ZB5FA3
£5.39
Each
Units
Harmony ZB5 30mm Green Round Momentary Flush Plastic IP66, IP67, IP69K Unmarked 37mm Yes - -
RS Stock No. 168-3821
Mfr. Part No.HW1A-B4B
BrandIdec
£2.13
Each
Units
HW - Black Round - Mushroom Polyacetal IP20 Unmarked 40mm - - -
RS Stock No. 193-3001
Mfr. Part No.3SU1031-3BB61-0AA0
BrandSiemens
£9.73
Each
Units
SIRIUS ACT 22mm - Oval Momentary Flat Plastic IP66, IP67, IP69K - - - - -
RS Stock No. 136-5529
Mfr. Part No.M30C-FDR-W
BrandEaton
£8.20
Each
Units
M30 30mm White Round Maintained Flush Metal IP67 - 36mm - - Yes