Emergency Stop Push Buttons

An emergency stop push button 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 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 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.



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.

Some industries that require emergency stop push buttons are:
•Material handling


•Mining


•Food and beverage


•HVAC


•Amusements


•Marine


•Aviation



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.

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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. 609-4742
Mfr. Part No.XALK188E
$88.36
Each
units
Surface Mount Key Reset NO/NC - - - - DPST IP66, IP67, IP69, IP69K - - Mushroom No -
RS Stock No. 746-7150
Mfr. Part No.A22EL-M
BrandOmron
$71.55
Each
units
Panel Mount Twist to Reset - - - - - - IP65 - - Mushroom Yes -
RS Stock No. 731-8989
Mfr. Part No.XAPK178F93H29
$138.68
Each
units
Surface Mount Twist to Reset 2NC 22mm - - 6 (ac) A, 550 (dc) mA DPST IP65 - 600 V ac/dc Mushroom No Harmony
RS Stock No. 690-6957
Mfr. Part No.84-5041.2B40
BrandEAO
$103.31
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 Yes -
RS Stock No. 826-4394
Mfr. Part No.231002
BrandIDEM
$201.28
Each
units
Surface Mount Twist to Reset 2NC/NO - - - 3 A - IP69K - 240 V Round No -
RS Stock No. 185-485
Mfr. Part No.CEPY1-2002
BrandABB
$65.39
Each
units
Surface Mount Pull to Reset 2NC 22.5mm - - 1.5 (ac) A, 320 (dc) mA DPST IP66, IP67, IP69K - 125 V dc, 240 V ac Mushroom No Compact
RS Stock No. 185-609
Mfr. Part No.CEPY1-2001
BrandABB
$99.05
Each
units
Surface Mount Twist to Reset 2NC 22.5mm - - 1.5 (ac) A, 320 (dc) mA DPST IP66, IP67, IP69K - 125 V dc, 240 V ac Mushroom No Compact
RS Stock No. 453-3116
Mfr. Part No.3SB3500-1TA20
BrandSiemens
$47.66
Each
units
Panel Mount Pull to Reset - - - - - - IP67 - - Mushroom No Signum
RS Stock No. 742-9271
Mfr. Part No.3SB3801-2DG3
BrandSiemens
$132.60
Each
units
Surface Mount Twist to Reset NC - - - - - IP67 - - Mushroom No -
RS Stock No. 861-4616
Mfr. Part No.A22E-S-02
BrandOmron
$56.49
Each
units
Panel Mount Twist to Reset 2NC - - - 10 A DPST IP65 - 440 V Round No -
RS Stock No. 826-4410
Mfr. Part No.232002
BrandIDEM
$216.74
Each
units
Surface Mount Twist to Reset 2NC/2NO - - - 3 A - IP67, IP69K - 240 V ac/dc Round No -
RS Stock No. 826-4417
Mfr. Part No.232010
BrandIDEM
$217.85
Each
units
Surface Mount Twist to Reset 2NC/2NO - - - 3 A - IP67, IP69K - 240 V ac/dc Round No -
RS Stock No. 826-4404
Mfr. Part No.231005
BrandIDEM
$213.27
Each
units
Surface Mount Twist to Reset 2NC/NO - - - 3 A - IP69K - 240 V Round No -
RS Stock No. 847-5196
Mfr. Part No.M22-PVT
BrandEaton
$54.49
Each
units
Panel Mount Twist to Reset - 22.5mm - - - - IP66, IP69K - - Round No -
RS Stock No. 123-8167
Mfr. Part No.XB5AS8444
$53.63
Each
units
Panel Mount Turn to Release 2NC 22.5mm - - 6 A @ 120 V ac, 550 mA @ 125 V dc 2P IP66, IP67, IP69, IP69K Latching 600 V ac/dc Mushroom - Harmony
RS Stock No. 757-9039
Mfr. Part No.1SFA619550R1071
BrandABB
$37.11
Each
units
Panel Mount Twist to Reset NC/NO - - - - DPST IP66, IP67, IP69K - - Mushroom No Compact
RS Stock No. 833-7026
Mfr. Part No.XW1E-BV404M-R
BrandIdec
$61.71
Each
units
Panel Mount Twist to Reset 4NC 22mm - - - - IP65 - - Round No -
RS Stock No. 742-9338
Mfr. Part No.3SB3801-0EF3
BrandSiemens
$107.16
Each
units
Surface Mount Twist to Reset 2NC - - - - - IP65 - - Mushroom No -
RS Stock No. 795-1324
Mfr. Part No.ZB5AS864
$94.35
Each
units
Panel Mount Twist to Reset - 22.5mm - - - - IP66, IP67, IP69, IP69K - - Round No Harmony
RS Stock No. 690-6945
Mfr. Part No.84-5040.0040
BrandEAO
$132.79
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 -
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