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. 549-479
Mfr. Part No.A22E-M-02
BrandOmron
$61.43
Each
units
Panel Mount Twist to Reset 2NC - - - - DPST IP65 - - Mushroom No -
RS Stock No. 609-2623
Mfr. Part No.ZB4BS834
$66.30
Each
units
Panel Mount Twist to Reset - 22mm - - - - IP66, IP69, IP69K - - Mushroom No Harmony
RS Stock No. 833-7111
Mfr. Part No.XW1E-LV411Q4M-R
BrandIdec
$60.60
Each
units
Panel Mount Twist to Reset NO/NC 22mm - - 15 mA - IP65 - 24 V ac/dc Round Yes -
RS Stock No. 826-4390
Mfr. Part No.231001
BrandIDEM
$201.28
Each
units
Surface Mount Twist to Reset 2NC/NO - - - 3 A - IP69K - 240 V Round No -
RS Stock No. 795-1318
Mfr. Part No.XB4BT842
$51.15
Each
units
Panel Mount Pull to Reset NC 22.5mm - - 1.2 A SPST IP66, IP67, IP69, IP69K - 600 V ac Mushroom No Harmony
RS Stock No. 185-479
Mfr. Part No.CEPY1-1001
BrandABB
$85.48
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. 745-0187
Mfr. Part No.3SB2203-1AC01
BrandSiemens
$36.48
Each
units
Panel Mount Twist to Reset NC - - - - - IP65 - - Mushroom No Signum
RS Stock No. 795-1302
Mfr. Part No.XALK188
$90.71
Each
units
Surface Mount Key Reset NC - - - 1.2 A SPST IP66, IP67, IP69, IP69K - 600 V ac Mushroom No Harmony
RS Stock No. 757-8890
Mfr. Part No.1SFA611524R1001
BrandABB
$24.76
Each
units
Panel Mount Pull to Reset - - - - - - IP20, IP66 - - Mushroom No Compact
RS Stock No. 330-9394
Mfr. Part No.ZB4BS944
$121.38
Each
units
Panel Mount Key Reset - 22mm - - 6 (ac) A, 550 (dc) mA - IP66, IP67, IP69, IP69K - 600 V ac/dc Mushroom No Harmony
RS Stock No. 609-6417
Mfr. Part No.XB6AS8349B
$62.33
Each
units
Panel Mount Twist to Reset NO/2NC 16mm - - 3 (ac) A, 220 (dc) mA TPST IP65 - 240 V ac, 250 V dc Mushroom No Harmony
RS Stock No. 742-0760
Mfr. Part No.NDRR50RT
BrandSchmersal
$70.86
Each
units
Panel Mount Key Reset - - - - - - IP67, IP69K - - Round No -
RS Stock No. 453-3100
Mfr. Part No.3SB3500-1HA20
BrandSiemens
$76.01
Each
units
Panel Mount Twist to Reset - - - - - - IP67 - - Mushroom No Signum
RS Stock No. 874-2301
Mfr. Part No.3SU1801-0NA00-2AA2
BrandSiemens
$69.68
Each
units
Surface Mounting - - 22mm - - - - IP66, IP67, IP69K - - Mushroom, Round - -
RS Stock No. 690-6954
Mfr. Part No.84-5030.0040
BrandEAO
$72.54
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. 826-3852
Mfr. Part No.S1PY91PS
BrandLovato
$96.63
Each
units
Surface Mount Pull to Reset NC 22.3mm - - - SPST IP66, IP67, IP69K - - Mushroom No -
RS Stock No. 874-2314
Mfr. Part No.3SU1801-0NB00-2AC2
BrandSiemens
$100.69
Each
units
- - - 22mm - - - - - - - - - -
RS Stock No. 521-3633
Mfr. Part No.1TVL101000P3204
BrandABB
$117.95
Each
units
Surface Mount Twist to Reset NC - - - - SPST IP66 - - Round No -
RS Stock No. 810-3794
Mfr. Part No.M22-PV/K01
BrandEaton
$60.27
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. 621-9171
Mfr. Part No.9001TYK11
$162.38
Each
units
Surface Mount Twist to Reset NC 30mm - - - - IP66 - - Mushroom No Harmony
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