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. 690-6960
Mfr. Part No.84-5040.0020
BrandEAO
$45.32
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. 866-1454
Mfr. Part No.M22-PVL-K12-R
BrandEaton
$101.46
Each
units
Panel Mount Pull to Reset NO/2NC 22.5mm - - - - IP67, IP69K - 12 → 30 V ac/dc Round No -
RS Stock No. 757-9077
Mfr. Part No.A165E-S-02
BrandOmron
$141.60
Each
units
Panel Mount Twist to Reset 2NC - - No - DPST IP65 - - Mushroom No -
RS Stock No. 609-2673
Mfr. Part No.ZB4BT84
$75.29
Each
units
Panel Mount Pull to Reset - - - - - - IP66, IP67, IP69, IP69K - - Mushroom No Harmony
RS Stock No. 330-8600
Mfr. Part No.XALK188G
$117.31
Each
units
Surface Mount Key Reset NO/2NC 22mm - - 550 (dc) mA, 6 (ac) A TPST IP66, IP67, IP69, IP69K - 600 V ac/dc Mushroom No Harmony
RS Stock No. 822-0280
Mfr. Part No.CE4T-10R-02
BrandABB
$46.59
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. 733-2492
Mfr. Part No.2TLA030054R0000
BrandABB
$270.09
Each
units
Panel Mount Twist to Reset NC 22.5mm - no - - IP20, IP65 - 24 V dc Mushroom No Inca-1 Tina
RS Stock No. 795-1289
Mfr. Part No.XB5AT842
$42.25
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. 746-7154
Mfr. Part No.A22E-M-01B
BrandOmron
$134.38
Each
units
Panel Mount Twist to Reset NC - - No - SPST IP65 - - Mushroom No -
RS Stock No. 321-155
Mfr. Part No.GHG4118101R1826
BrandCEAG
$293.43
Each
units
Surface Mount Pull to Reset NO/NC - - - 16 A DPST IP65, IP66 - 500 V Mushroom No -
RS Stock No. 795-1312
Mfr. Part No.XB5AS8442
$66.86
Each
units
Panel Mount Twist 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
$94.02
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. 847-5196
Mfr. Part No.M22-PVT
BrandEaton
$59.94
Each
units
Panel Mount Twist to Reset - 22.5mm - - - - IP66, IP69K - - Round No -
RS Stock No. 757-9089
Mfr. Part No.A22E-M-01
BrandOmron
$67.25
Each
units
Panel Mount Twist to Reset NC - - No - SPST IP65 - - Mushroom No -
RS Stock No. 528-0992
Mfr. Part No.3SB3201-1HA20
BrandSiemens
$98.00
Each
units
Panel Mount Twist to Reset NO/NC - - - 10 A - IP66 - - Mushroom No Signum
RS Stock No. 621-9171
Mfr. Part No.9001TYK11
$178.62
Each
units
Surface Mount Twist to Reset NC 30mm - - - - IP66 - - Mushroom No Harmony
RS Stock No. 795-1324
Mfr. Part No.ZB5AS864
$103.79
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
$58.77
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. 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. 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
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