Emergency Stop Push Buttons

An emergency stop button, also known as an E-Stop, is a fail-safe control switch that provides safety both for the machinery and for the person using the machinery. The purpose of the emergency push button is to stop the machinery quickly when there is a risk of injury or the workflow requires stopping.

All machinery requires an emergency stop button to reduce risk. Buttons are typically red, often with a yellow background to ensure a vivid and easily identified solution.

Types of Emergency Stops

The three most common emergency stops are:

  • Push-pull: The button is pushed in to stop and released by pulling the button back
  • Twist release: The button is pushed in to stop and released by twisting the button
  • Key release: The button is pushed in to stop and only released with a key

Foot and palm buttons have a large actuator surface and are also tamper-proof. They can be actuated by using the foot or hand and their simple design makes for a quick response. These types of emergency stop switches are ideal for harsh environment applications.

Position switches provide a link to the emergency stop actuating element. This type of emergency stop button is highly reliable plus quick and easy to fit. They can also be used in a wide range of applications.

Where are they used?

Emergency stop push buttons can be found in any industry including industrial, commercial and public facilities. They are required to be clearly visible to anyone that is required to use them. It is also possible to have several emergency stop buttons on one machine depending on what part of the machine has to be stopped.


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Description Price Mounting Type Reset Method Normal State Configuration Cutout Diameter Safety Contacts Auxiliary Contacts Supply Current Pole and Throw Configuration IP Rating Push Button Actuation Supply Voltage Head Style Illuminated Range
RS Stock No. 549-479
Mfr. Part No.A22E-M-02
BrandOmron
£32.76
Each
Units
Panel Mount Twist to Reset 2NC - - No - DPST IP65 - - Mushroom No -
RS Stock No. 757-9089
Mfr. Part No.A22E-M-01
BrandOmron
£27.43
Each
Units
Panel Mount Twist to Reset NC - - No - SPST IP65 - - Mushroom No -
RS Stock No. 861-4616
Mfr. Part No.A22E-S-02
BrandOmron
£28.84
Each
Units
Panel Mount Twist to Reset 2NC - - No 10 A DPST IP65 - 440 V Round No -
RS Stock No. 757-9077
Mfr. Part No.A165E-S-02
BrandOmron
£46.76
Each
Units
Panel Mount Twist to Reset 2NC - - No - DPST IP65 - - Mushroom No -
RS Stock No. 746-7166
Mfr. Part No.A22E-S
BrandOmron
£11.17
Each
Units
Panel Mount Twist to Reset - - - No - - IP65 - - Round No -
RS Stock No. 746-7154
Mfr. Part No.A22E-M-01B
BrandOmron
£54.04
Each
Units
Panel Mount Twist to Reset NC - - No - SPST IP65 - - Mushroom No -
RS Stock No. 746-7163
Mfr. Part No.A22E-M-11B
BrandOmron
£55.65
Each
Units
Panel Mount Twist to Reset NO/NC - - No - SPST IP65 - - Mushroom No -
RS Stock No. 861-4610
Mfr. Part No.A22E-M-12-EMO
BrandOmron
£50.43
Each
Units
Panel Mount Twist to Reset 2NC - - No 10 A DPST IP65 - 440 V Mushroom No -
RS Stock No. 757-9092
Mfr. Part No.A22EL-M-24A-01
BrandOmron
£61.66
Each
Units
Panel Mount Twist to Reset NC - - No - SPST IP65 - - Mushroom Yes -
RS Stock No. 841-1461
Mfr. Part No.A165E-S-03U
BrandOmron
£50.20
Each
Units
Panel Mount Twist to Reset NC 16mm - No 1 A TPST IP65 - 30 V dc, 250 V ac Round No -
RS Stock No. 757-9073
Mfr. Part No.A165E-S-01
BrandOmron
£36.13
Each
Units
Panel Mount Twist to Reset NC - - No - SPST IP65 - - Mushroom No -
RS Stock No. 757-9095
Mfr. Part No.A22EL-M-24A-02
BrandOmron
£60.35
Each
Units
Panel Mount Twist to Reset 2NC - - No - DPST IP65 - - Mushroom Yes -
RS Stock No. 841-1809
Mfr. Part No.A22EL02
BrandOmron
£38.91
Each
Units
Panel Mount Twist to Reset 2NC - - No - DPST IP65 - - Mushroom Yes -
RS Stock No. 757-9061
Mfr. Part No.A165E-LS-24D-01
BrandOmron
£50.15
Each
Units
Panel Mount Twist to Reset NC - - No - SPST IP65 - - Mushroom Yes -
RS Stock No. 841-1650
Mfr. Part No.A165ES
BrandOmron
£21.10
Each
Units
Panel Mount Twist to Reset - 16mm - No - - IP65 - - Round No -
RS Stock No. 746-7150
Mfr. Part No.A22EL-M
BrandOmron
£33.87
Each
Units
Panel Mount Twist to Reset - - - No - - IP65 - - Mushroom Yes -
RS Stock No. 746-7157
Mfr. Part No.A22E-L
BrandOmron
£28.61
Each
Units
Panel Mount Twist to Reset - - - No - - IP65 - - Mushroom Yes -
RS Stock No. 757-9070
Mfr. Part No.A165E-LS-24D-02
BrandOmron
£55.90
Each
Units
Panel Mount Twist to Reset 2NC - - No - DPST IP65 - - Mushroom Yes -
RS Stock No. 174-4218
Mfr. Part No.A22NE-L-P202-N
BrandOmron
£28.05
Each
Units
Panel Mount Turn Reset 2NC 22mm 2 No - - IP65 Push-In - Round Yes A22NE
RS Stock No. 188-9175
Mfr. Part No.A22NE-M-PD22-N
BrandOmron
£47.84
Each
Units
Panel Mount Turn Reset 2NO/2NC 22mm 4 No 5 A - IP65 - 250 V Round No A22NE