Emergency Stop Push Buttons

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



All machinery requires an emergency top button unless it would not reduce the risk or the machine is hand operated. The buttons are red as standard, often with a yellow background.



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. 259-895
Mfr. Part No.LBX11302
BrandBACO
£61.90
Each
Units
Surface Mount Key Reset 2NC - - - - - IP66 - - Mushroom No -
RS Stock No. 795-1299
Mfr. Part No.XALK1781
£35.00
Each
Units
Surface Mount Twist to Reset NC - - - 1.2 A SPST IP66, IP67, IP69, IP69K - 600 V ac Mushroom No Harmony
RS Stock No. 810-3804
Mfr. Part No.216516 & M22-PV/K11
BrandEaton
£35.41
Each
Units
Panel Mount Pull to Reset NO/NC 22.5mm - - - DPST IP66, IP69 - - Mushroom No RMQ Titan
RS Stock No. 609-6186
Mfr. Part No.XB5AT845
£28.46
Each
Units
Panel Mount Pull to Reset NO/NC 22mm - - 550 (dc) mA, 6 (ac) A DPST IP66, IP67, IP69, IP69K - 600 V ac/dc Mushroom No Harmony
RS Stock No. 810-3790
Mfr. Part No.216514 & M22-PVS/K01
BrandEaton
£44.78
Each
Units
Panel Mount Key Reset NC - - - 15 mA - IP66, IP67, IP69K - 12 → 30 V ac Round No RMQ Titan
RS Stock No. 185-542
Mfr. Part No.CEPY1-1002
BrandABB
£34.59
Each
Units
Surface Mount Pull to Reset 2NC - - no 1.5 (ac) A, 320 (dc) mA DPST IP66, IP67, IP69K - 125 V dc, 240 V ac Mushroom No Compact
RS Stock No. 521-3627
Mfr. Part No.1TVC101000P3206
BrandABB
£64.86
Each
Units
Surface Mount Key Reset NC - - no - DPST IP66 - - Round No -
RS Stock No. 528-8249
Mfr. Part No.EMSH/P/MR/CO
£96.02
Each
Units
Surface Mount Pull to Reset NO/NC - - - 16 A - IP65 - 250 V Mushroom No -
RS Stock No. 528-5133
Mfr. Part No.800FM-MK44
£31.10
Each
Units
Panel Mount Key Reset - 22.5mm - - - - IP66 - - Mushroom No -
RS Stock No. 874-1926
Mfr. Part No.3SU1050-1HB20-0AA0
BrandSiemens
£16.43
Each
Units
Panel Mount Twist to Reset - 22mm - - - - - Latching - Mushroom No SIRIUS ACT
RS Stock No. 103-8530
Mfr. Part No.3SU1051-1HB20-0AA0
BrandSiemens
£20.54
Each
Units
Panel Mount Turn to Unlatch - 22.3mm - - - - IP66, IP67, IP69, IP69K Latching - Mushroom Yes SIRIUS ACT
RS Stock No. 817-3046
Mfr. Part No.XB6AS8345B
£65.81
Each
Units
Panel Mount Twist to Reset NO/NC 16mm - - 14 mA DPST IP65 - 240 V Mushroom No Harmony
RS Stock No. 826-3858
Mfr. Part No.S1PY91S
BrandLovato
£35.55
Each
Units
Surface Mount Twist to Reset NC 22.3mm - No - SPST IP66, IP67, IP69K - - Mushroom No -
RS Stock No. 826-4404
Mfr. Part No.231005
BrandIDEM
£100.62
Each
Units
Surface Mount Twist to Reset 2NC/NO - - - 3 A - IP69K - 240 V Round No -
RS Stock No. 690-6945
Mfr. Part No.84-5040.0040
BrandEAO
£60.45
Each
Units
Panel Mount Twist to Reset 2NC 22.5mm - - 3 (ac) A, 5 (dc) A DPST IP65 - 240 V ac, 250 V dc Mushroom No -
RS Stock No. 766-0426
Mfr. Part No.XAPK178G93H29
£69.00
Each
Units
Surface Mount Twist to Reset NO/NC 22mm - - 0.55 (dc) A, 6 (ac) A DPST IP65 - 600 V ac/dc Mushroom No Harmony
RS Stock No. 847-5193
Mfr. Part No.216879 & M22-PVS
BrandEaton
£38.66
Each
Units
Panel Mount Key Reset - 22.5mm - - - - IP66, IP69K - - Round No RMQ Titan
RS Stock No. 832-6142
Mfr. Part No.HW1B-V4F01-R
BrandIdec
£28.54
Each
Units
Panel Mount Twist to Reset NC 22mm - - 10 (ac) A, 8 (dc) A - IP65 - 440 V Round No -
RS Stock No. 874-2036
Mfr. Part No.3SU1100-1HB20-1CH0
BrandSiemens
£21.42
Each
Units
Panel Mount Twist to Reset NC (Auxiliary) 22mm - - - - IP20 Latching 5 → 500 V Mushroom No SIRIUS ACT
RS Stock No. 874-1677
Mfr. Part No.3SU1000-1HR20-0AA0
BrandSiemens
£50.43
Each
Units
Panel Mount Key Reset - 22mm - - - - - Latching - Mushroom with Key Switch No SIRIUS ACT