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. 426-2791
Mfr. Part No.XB4BS9445
£46.00
Each
Units
Panel Mount Key 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. 399-3113
Mfr. Part No.216523 & M22-PVS/KC11/IY
BrandEaton
£61.37
Each
Units
Surface Mount Key Reset NO/NC - - - 3 A @ 24 V dc, 6 A @ 230 V ac DPST IP67, IP69K - 220 V dc, 500 V ac Round No RMQ Titan
RS Stock No. 826-3861
Mfr. Part No.S1PY91KSS
BrandLovato
£45.16
Each
Units
Surface Mount Key Reset NC 22.3mm - No - SPST IP66, IP67, IP69K - - Mushroom No -
RS Stock No. 822-0280
Mfr. Part No.1SFA619550R1051 CE4T-10R-02
BrandABB
£17.15
Each
Units
Panel Mount Twist to Reset 2NC 22.5mm - no 1 A @ 240 V ac, 300 mA @ 25 V dc - IP66, IP67, IP69K - 125 V dc, 240 V ac Round No Compact
RS Stock No. 609-6170
Mfr. Part No.XB5AS9445
£39.00
Each
Units
Panel Mount Key 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. 826-3852
Mfr. Part No.S1PY91PS
BrandLovato
£35.55
Each
Units
Surface Mount Pull to Reset NC 22.3mm - No - SPST IP66, IP67, IP69K - - Mushroom No -
RS Stock No. 795-1277
Mfr. Part No.XB5AS9442
£33.00
Each
Units
Panel Mount Key Reset NC 22.5mm - - 1.2 A SPST IP66, IP67, IP69, IP69K - 600 V ac Mushroom No Harmony
RS Stock No. 619-4858
Mfr. Part No.EMS/T/SS/NC69
£184.53
Each
Units
Surface Mount Pull to Reset NC - - - 16 A - IP65 - - Round No -
RS Stock No. 874-2301
Mfr. Part No.3SU1801-0NA00-2AA2
BrandSiemens
£37.86
Each
Units
Surface Mounting - - - - - - - IP66, IP67, IP69K - - Mushroom, Round - -
RS Stock No. 110-4568
Mfr. Part No.263469 & M22-PVLT
BrandEaton
£28.03
Each
Units
Panel Mount Turn to Release NC/NO - - - - - IP66, IP67, IP69K Turn Release - Mushroom No RMQ Titan
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. 874-1699
Mfr. Part No.3SU1000-1HF20-0AA0
BrandSiemens
£31.85
Each
Units
Panel Mount Key Reset - 22mm - - - - - Latching - Mushroom with Key Switch No SIRIUS ACT
RS Stock No. 103-8532
Mfr. Part No.3SU1100-1HB20-1CG0
BrandSiemens
£21.42
Each
Units
Panel Mount Turn to Unlatch - 22.3mm - - - - IP20, IP66, IP67, IP69, IP69K Latching - Mushroom - SIRIUS ACT
RS Stock No. 790-3543
Mfr. Part No.S1PY91KS
BrandLovato
£37.88
Each
Units
Surface Mount Key Reset NC - - No - SPST IP66, IP67, IP69K - - Mushroom No -
RS Stock No. 874-2314
Mfr. Part No.3SU1801-0NB00-2AC2
BrandSiemens
£50.31
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 790-3552
Mfr. Part No.S1PY91P
BrandLovato
£32.00
Each
Units
Surface Mount Pull to Reset NC - - No - SPST IP66, IP67, IP69K - - Mushroom No -
RS Stock No. 528-5127
Mfr. Part No.800FM-MT64
£16.10
Each
Units
Panel Mount Twist to Reset - 22.5mm - - - - IP65, IP66 - - Mushroom No -
RS Stock No. 757-9036
Mfr. Part No.1SFA619550R1041 CE4T-10R-01
BrandABB
£14.35
Each
Units
Panel Mount Twist to Reset NC 22.5mm - no - SPST IP66, IP67, IP69K - - Mushroom No Compact
RS Stock No. 103-8499
Mfr. Part No.3SU1001-1HB20-0AA0
BrandSiemens
£19.28
Each
Units
Panel Mount Turn to Unlatch - 22.3mm - - - - IP66, IP67, IP69, IP69K Latching - Mushroom Yes SIRIUS ACT