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
RS Stock No. 874-1829
Mfr. Part No.3SU1030-0AB40-0AA0
BrandSiemens
HK$43.30
Each
units
SIRIUS ACT 22mm Green Round Momentary Flat Plastic IP66, IP67, IP69K - 29.5mm Yes -
RS Stock No. 244-3415
Mfr. Part No.05-0003-000700
BrandBartec
HK$154.67
Each
units
ComEx 30.5mm Green, Red, White, Yellow Round - - - IP54, IP66, IP67 - - - ATEX
RS Stock No. 609-2409
Mfr. Part No.ZB4BH013
HK$123.68
Each
units
Harmony XB4 22mm White Round Maintained Flush Metal IP66, IP67, IP69, IP69K - - No -
RS Stock No. 609-3064
Mfr. Part No.ZB5AS834
HK$178.98
Each
units
Harmony XB5 22mm Red Round Turn to Release Mushroom Plastic IP66, IP67, IP69, IP69K - 30mm No -
RS Stock No. 506-7749
Mfr. Part No.3SB3000-1BA20
BrandSiemens
HK$526.93
Each
units
3SB3 22mm Red Round Key Reset Mushroom Plastic IP66 - 40mm Yes -
RS Stock No. 411-2488
Mfr. Part No.3SB3001-0AA61
BrandSiemens
HK$101.93
Each
units
3SB3 22mm White Round Momentary Round - IP66 - - - -
RS Stock No. 769-3668
Mfr. Part No.L21AA05
BrandBACO
HK$63.26
Each
units
BACO 22mm White Round Spring Return Flush Plastic IP66 - - No -
RS Stock No. 331-0057
Mfr. Part No.ZB4BW333
HK$58.76
Each
units
Harmony XB4 22mm Green Round Momentary Flush Illuminated, Illuminated Metal IP66, IP67, IP69, IP69K Unmarked 28.5mm No -
RS Stock No. 815-1875
Mfr. Part No.ZB4BA7341
HK$141.28
Each
units
Harmony XB4 22mm Green, Red Rectangular Momentary Rectangular - IP67, IP69K I/O - Yes -
RS Stock No. 103-8518
Mfr. Part No.3SU1031-0AB40-0AA0
BrandSiemens
HK$59.89
Each
units
SIRIUS ACT 22.3mm Green Round Momentary Flat Plastic IP66, IP67, IP69, IP69K - 29.5mm - -
RS Stock No. 467-6134
Mfr. Part No.M22-PVT+M22-A+M22-XAK1
BrandEaton
HK$427.11
Each
units
M22 22mm Red Round Turn to Release Mushroom Plastic IP69K - 38mm Yes -
RS Stock No. 769-3700
Mfr. Part No.L21AH50
BrandBACO
HK$68.64
Each
units
BACO 22mm White Round Spring Return Illuminated Flush Plastic IP66 - - No -
RS Stock No. 411-2501
Mfr. Part No.3SB3001-0AA41
BrandSiemens
HK$72.09
Each
units
3SB3 22mm Green Round Momentary Round - IP66 - - - -
RS Stock No. 609-3092
Mfr. Part No.ZB5AT84
HK$188.68
Each
units
Harmony XB5 22mm Red Round Pull Release Mushroom Plastic IP66, IP67, IP69, IP69K - 40mm No -
RS Stock No. 746-9156
Mfr. Part No.ZB5AA434
HK$47.28
Each
units
Harmony XB5 22mm Red Round Momentary Round - IP66, IP67, IP69, IP69K - - - -
RS Stock No. 342-2891
Mfr. Part No.ZB5AW333
HK$50.80
Each
units
Harmony XB5 22mm Green Round Momentary Illuminated Flush Plastic IP66, IP67, IP69, IP69K - - No -
RS Stock No. 399-3141
Mfr. Part No.M22-DP-Y+M22-A
BrandEaton
HK$131.62
Each
units
M22 22mm Yellow Round Momentary Mushroom Plastic IP69K - 38mm Yes -
RS Stock No. 331-0035
Mfr. Part No.ZB4BW313
HK$68.17
Each
units
Harmony XB4 22mm White Round Momentary Illuminated Metal IP66, IP67, IP69, IP69K - - No -
RS Stock No. 399-2671
Mfr. Part No.M22-D-G+M22-A
BrandEaton
HK$77.36
Each
units
M22 22mm Green Round Momentary Round Plastic IP69K - 29.7mm Yes -
RS Stock No. 874-1689
Mfr. Part No.3SU1000-0AB40-0AA0
BrandSiemens
HK$36.12
Each
units
SIRIUS ACT 22mm Green Round Momentary Flat Plastic IP66, IP67, IP69K - 29.5mm Yes -
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