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. 411-2501
Mfr. Part No.3SB3001-0AA41
BrandSiemens
TWD318.00
Each
units
3SB3 22mm Green Round Momentary Round - IP66 - - - -
RS Stock No. 609-2601
Mfr. Part No.ZB4BS55
TWD971.00
Each
units
Harmony XB4 22mm Yellow Round Turn to Release Mushroom Metal IP66, IP67, IP69, IP69K - 40mm No -
RS Stock No. 847-5089
Mfr. Part No.M22-DL-R
BrandEaton
TWD340.00
Each
units
M22 22.5mm Red Round Momentary Round Illuminated Plastic IP67, IP69K - 29.7mm No -
RS Stock No. 455-6490
Mfr. Part No.3SB3101-8BC21
BrandSiemens
TWD662.00
Each
units
3SB3 22mm Green, Red Rectangular Momentary Rectangular - IP65 - - - -
RS Stock No. 330-8975
Mfr. Part No.ZB4BA3
TWD163.00
Each
units
Harmony XB4 22mm Green Round Momentary Round - IP66, IP67, IP69, IP69K Unmarked 22mm No -
RS Stock No. 331-0079
Mfr. Part No.ZB4BW343
TWD222.00
Each
units
Harmony XB4 22mm Red Round Momentary Flush Illuminated, Illuminated Metal IP66, IP67, IP69, IP69K - - No -
RS Stock No. 399-2952
Mfr. Part No.M22-DL-R+M22-A
BrandEaton
TWD414.00
Each
units
M22 22mm Red Round Momentary Round Illuminated Plastic IP69K - 29.7mm Yes -
RS Stock No. 331-0215
Mfr. Part No.ZB5AA3
TWD146.00
Each
units
Harmony XB5 22mm Green Round Momentary Flush Plastic IP66, IP67, IP69, IP69K - - No -
RS Stock No. 746-8450
Mfr. Part No.ZB4BW443
TWD480.00
Each
units
Harmony XB4 22mm Red Round Momentary Flush Illuminated Metal IP66, IP67, IP69, IP69K - 40mm No -
RS Stock No. 847-5058
Mfr. Part No.M22-DDL-GR
BrandEaton
TWD919.00
Each
units
M22 22.5mm Green, Red Round Momentary Round Plastic IP67, IP69K - 29.7mm No -
RS Stock No. 746-4470
Mfr. Part No.9001KR1B
TWD540.00
Each
units
Harmony 9001K 30mm Black Round Momentary Round - IP66 - - - -
RS Stock No. 330-8969
Mfr. Part No.ZB4BA2
TWD158.00
Each
units
Harmony XB4 22mm Black Round Momentary Round - IP66, IP67, IP69, IP69K Unmarked 22mm No -
RS Stock No. 411-2753
Mfr. Part No.3SB3000-1HA20
BrandSiemens
TWD810.00
Each
units
3SB3 22mm Red Round Latching Mushroom with Key Switch - IP66 - - - -
RS Stock No. 784-0054
BrandRS PRO
TWD269.00
Each
units
- - - - - - - - - - - -
RS Stock No. 847-5235
Mfr. Part No.M22S-DP-R
BrandEaton
TWD423.00
Each
units
M22 22.5mm Red Round Momentary Mushroom - IP67, IP69K - 29.7mm - -
RS Stock No. 103-8550
Mfr. Part No.3SU1250-2PU10-1AA0
BrandSiemens
TWD1,663.00
Each
units
SIRIUS ACT 22.3mm Black Round - - Metal IP20, IP66, IP67, IP69, IP69K - 30mm - -
RS Stock No. 874-1847
Mfr. Part No.3SU1030-0AB60-0AC0
BrandSiemens
TWD208.00
Each
units
SIRIUS ACT 22mm White Round Momentary Flat Plastic IP66, IP67, IP69K I 29.5mm Yes -
RS Stock No. 746-4502
Mfr. Part No.9001KR1GH5
TWD920.00
Each
units
Harmony 9001K 30mm Green Round Momentary Round - IP66 - - - -
RS Stock No. 746-8416
Mfr. Part No.ZB4BA341
TWD240.00
Each
units
Harmony XB4 22mm Green Round Momentary Flush, Recessed Metal IP66, IP67, IP69, IP69K ON - No -
RS Stock No. 847-5143
Mfr. Part No.M22-D-S
BrandEaton
TWD265.00
Each
units
M22 22.5mm Black Round Momentary Round Plastic IP67, IP69K - 29.7mm No -