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. 826-4417
Mfr. Part No.232010
BrandIDEM
$239.64
Each
units
Surface Mount Twist to Reset 2NC/2NO - - - 3 A - IP67, IP69K - 240 V ac/dc Round No -
RS Stock No. 793-3572
Mfr. Part No.C22-PVS45P-MS1-K02
BrandEaton
$104.30
Each
units
Panel Mount Key Reset 2NC 22.5mm - - 4 A - IP66 - 250 V Mushroom No -
RS Stock No. 757-9039
Mfr. Part No.1SFA619550R1071
BrandABB
$40.82
Each
units
Panel Mount Twist to Reset NC/NO 22.5mm - no - DPST IP66, IP67, IP69K - - Mushroom No Compact
RS Stock No. 766-0435
Mfr. Part No.XAPK188F93H29
$146.19
Each
units
Surface Mount Key Reset 2NC 22mm - - 550 (dc) mA, 6 (ac) A DPST IP65 - 600 V ac/dc Mushroom No Harmony
RS Stock No. 810-3794
Mfr. Part No.M22-PV/K01
BrandEaton
$66.30
Each
units
Panel Mount Pull to Reset NC 22.5mm - - 15 mA - IP66, IP67, IP69K - 12 → 30 V ac Round No RMQ Titan
RS Stock No. 813-5371
Mfr. Part No.XN4E-BL402MRH
BrandIdec
$238.02
Each
units
Panel Mount Twist to Reset 2NC 30.5mm - - 100 mA @ 250 V dc, 200 mA @ 250 V dc, 3 A @ 250 V ac - IP20, IP65 - 250 V ac/dc Round No -
RS Stock No. 609-6170
Mfr. Part No.XB5AS9445
$102.12
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. 757-8897
Mfr. Part No.1SFA611523R1001
BrandABB
$29.04
Each
units
Panel Mount Twist to Reset - 22mm - no - - IP20, IP66 - - Mushroom No Compact
RS Stock No. 866-1451
Mfr. Part No.M22-PVL-K02-R
BrandEaton
$92.16
Each
units
Panel Mount Pull to Reset 2NC 22.5mm - - - - IP67, IP69K - 12 → 30 V ac/dc Round No -
RS Stock No. 733-2499
Mfr. Part No.2TLA030050R0000
BrandABB
$148.96
Each
units
Surface Mount Twist to Reset NC - - no - - IP65 - 24 V dc Mushroom No Smile Tina
RS Stock No. 813-5160
Mfr. Part No.YW1B-V4E01R
BrandIdec
$75.30
Each
units
Panel Mount Twist to Reset NC 22.3mm - - - - IP20, IP65 - - Round No -
RS Stock No. 103-8532
Mfr. Part No.3SU1100-1HB20-1CG0
BrandSiemens
$43.76
Each
units
Panel Mount Turn to Unlatch - 22.3mm - - - - IP20, IP66, IP67, IP69, IP69K Latching - Mushroom - SIRIUS ACT
RS Stock No. 103-8530
Mfr. Part No.3SU1051-1HB20-0AA0
BrandSiemens
$39.73
Each
units
Panel Mount Turn to Unlatch - 22.3mm - - - - IP66, IP67, IP69, IP69K Latching - Mushroom Yes SIRIUS ACT
RS Stock No. 746-7150
Mfr. Part No.A22EL-M
BrandOmron
$76.67
Each
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Panel Mount Twist to Reset - - - No - - IP65 - - Mushroom Yes -
RS Stock No. 847-5184
Mfr. Part No.M22-PV
BrandEaton
$48.80
Each
units
Panel Mount Pull to Reset - 22.5mm - - - - IP66, IP69K - - Round No -
RS Stock No. 609-2639
Mfr. Part No.ZB4BS934
$200.58
Each
units
Panel Mount Key Reset - - - - - - IP66, IP67, IP69, IP69K - - Mushroom No Harmony
RS Stock No. 757-9036
Mfr. Part No.1SFA619550R1041
BrandABB
$32.54
Each
units
Panel Mount Twist → Reset NC 22.5mm - no - SPST IP66, IP67, IP69K - - Mushroom No Compact
RS Stock No. 793-3566
Mfr. Part No.C22-PVT60P-K11
BrandEaton
$69.66
Each
units
Panel Mount Twist to Reset NC/NO 22.5mm - - 4 A - IP67, IP69 - 250 V Mushroom No -
RS Stock No. 816-9299
Mfr. Part No.9001SKR16H2
$279.91
Each
units
Panel Mount Twist to Reset 2NO/2NC 30mm - - 3 A - IP66 - 240 V ac Mushroom No Harmony
RS Stock No. 765-1258
Mfr. Part No.ES2S41653001
BrandApem
$282.96
Each
units
Panel Mount Pull to Reset NO/NC 34 mmmm - - - - IP65 - - Mushroom No -
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