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. 609-4714
Mfr. Part No.XALK178G
£45.00
Each
Units
Surface Mount Twist to Reset NO/2NC - - - - DPST IP66, IP67, IP69, IP69K - - Mushroom No -
RS Stock No. 330-9394
Mfr. Part No.ZB4BS944
£29.27
Each
Units
Panel Mount Key Reset - 22mm - - 550 (dc) mA, 6 (ac) A - IP66, IP67, IP69, IP69K - 600 V ac/dc Mushroom No Harmony
RS Stock No. 477-4890
Mfr. Part No.84-5030.0020
BrandEAO
£17.20
Each
Units
Panel Mount Twist to Reset NO/NC 22.5mm - - 3 (ac) A, 5 (dc) A DPST IP65 - 240 V ac, 250 V dc Mushroom No -
RS Stock No. 185-609
Mfr. Part No.CEPY1-2001
BrandABB
£38.32
Each
Units
Surface Mount Twist 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. 185-485
Mfr. Part No.CEPY1-2002
BrandABB
£39.86
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. 609-2623
Mfr. Part No.ZB4BS834
£19.89
Each
Units
Panel Mount Twist to Reset - 22mm - - - - IP66, IP69, IP69K - - Mushroom No Harmony
RS Stock No. 826-4397
Mfr. Part No.230001
BrandIDEM
£20.79
Each
Units
Surface Mount Twist to Reset 2NC/NO - - - 3 A - IP67 - 240 V Round No -
RS Stock No. 528-5111
Mfr. Part No.800FM-MT44
£14.20
Each
Units
Panel Mount Twist to Reset - 22.5mm - - - - IP65, IP66 - - Mushroom No -
RS Stock No. 795-1315
Mfr. Part No.XB4BS9442
£37.00
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. 609-6417
Mfr. Part No.XB6AS8349B
£27.81
Each
Units
Panel Mount Twist to Reset NO/2NC 16mm - - 220 (dc) mA, 3 (ac) A TPST IP65 - 240 V ac, 250 V dc Mushroom No Harmony
RS Stock No. 477-4907
Mfr. Part No.84-5031.2B20
BrandEAO
£25.10
Each
Units
Panel Mount Twist to Reset NO/NC 22.5mm - - 3 (ac) A, 5 (dc) A DPST IP65 - 240 V ac, 250 V dc Mushroom Yes -
RS Stock No. 259-946
Mfr. Part No.LBX10510
BrandBACO
£31.00
Each
Units
Surface Mount Twist to Reset NC - - - - - IP66 - - Mushroom No -
RS Stock No. 609-5600
Mfr. Part No.XB4BT845
£32.00
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. 731-8989
Mfr. Part No.XAPK178F93H29
£68.00
Each
Units
Surface Mount Twist to Reset 2NC - - - 550 (dc) mA, 6 (ac) A DPST IP65 - 600 V ac/dc Mushroom No Harmony
RS Stock No. 609-2673
Mfr. Part No.ZB4BT84
£20.06
Each
Units
Panel Mount Pull to Reset - - - - - - IP66, IP67, IP69, IP69K - - Mushroom No Harmony
RS Stock No. 690-6960
Mfr. Part No.84-5040.0020
BrandEAO
£22.64
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. 874-2305
Mfr. Part No.3SU1801-0NA00-2AC2
BrandSiemens
£39.31
Each
Units
Surface Mount - - - - - - - - - - - - -
RS Stock No. 795-1309
Mfr. Part No.XALK198
£30.40
Each
Units
Surface Mount Pull to Reset NC - - - 1.2 A SPST IP66, IP67, IP69, IP69K - 600 V ac Mushroom No Harmony
RS Stock No. 528-8255
Mfr. Part No.EMSH/P/F1/MR/CO
£136.89
Each
Units
Surface Mount Pull to Reset NO/NC - - - 16 A - IP65 - - Mushroom No MT
RS Stock No. 609-4742
Mfr. Part No.XALK188E
£44.00
Each
Units
Surface Mount Key Reset NO/NC - - - - DPST IP66, IP67, IP69, IP69K - - Mushroom No -
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