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. 690-6951
Mfr. Part No.84-5031.2B40
BrandEAO
$89.98
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. 259-902
Mfr. Part No.LBX15302
BrandBACO
$107.79
Each
units
Surface Mount Pull to Reset 2NC - - - - - IP66 - - Mushroom No -
RS Stock No. 874-1926
Mfr. Part No.3SU1050-1HB20-0AA0
BrandSiemens
$37.00
Each
units
Panel Mount Twist to Reset - 22mm - - - - - Latching - Mushroom No SIRIUS ACT
RS Stock No. 609-2651
Mfr. Part No.ZB4BS964
$200.58
Each
units
Panel Mount Key Reset - - - - - - IP66, IP67, IP69, IP69K - - 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 -
RS Stock No. 757-9073
Mfr. Part No.A165E-S-01
BrandOmron
$60.09
Each
units
Panel Mount Twist to Reset NC - - No - SPST IP65 - - Mushroom No -
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. 609-4742
Mfr. Part No.XALK188E
$97.20
Each
units
Surface Mount Key Reset NO/NC - - - - DPST IP66, IP67, IP69, IP69K - - Mushroom No -
RS Stock No. 790-3546
Mfr. Part No.S1PY91
BrandLovato
$82.55
Each
units
Surface Mount Twist to Reset NC - - No - SPST IP66, IP67, IP69K - - Mushroom No -
RS Stock No. 826-3852
Mfr. Part No.S1PY91PS
BrandLovato
$106.30
Each
units
Surface Mount Pull to Reset NC 22.3mm - No - SPST IP66, IP67, IP69K - - Mushroom No -
RS Stock No. 122-2311
Mfr. Part No.XB4BS8444
$66.22
Each
units
Panel Mount Turn to Release 2NC 22mm - - 10 (Fuse) A, 6 A @ 120 V ac DPST IP66, IP67, IP69, IP69K - 600 V Mushroom - Harmony
RS Stock No. 110-4568
Mfr. Part No.M22-PVLT
BrandEaton
$55.48
Each
units
Panel Mount Turn to Release NC/NO - - - - - IP66, IP67, IP69K Turn Release - Mushroom No -
RS Stock No. 874-2301
Mfr. Part No.3SU1801-0NA00-2AA2
BrandSiemens
$76.64
Each
units
Surface Mounting - - 22mm - - - - IP66, IP67, IP69K - - Mushroom, Round - -
RS Stock No. 742-9293
Mfr. Part No.3SB3801-2EF3
BrandSiemens
$196.33
Each
units
Surface Mount Twist to Reset 2NC - - - - - IP67 - - Mushroom No -
RS Stock No. 185-485
Mfr. Part No.CEPY1-2002
BrandABB
$71.93
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. 847-5193
Mfr. Part No.M22-PVS
BrandEaton
$97.34
Each
units
Panel Mount Key Reset - 22.5mm - - - - IP66, IP69K - - Round No -
RS Stock No. 185-542
Mfr. Part No.CEPY1-1002
BrandABB
$58.55
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. 742-0757
Mfr. Part No.NDRZ50RT
BrandSchmersal
$67.22
Each
units
Panel Mount Key Reset - - - No - - IP67, IP69K - - Round No -
RS Stock No. 176-0055
Mfr. Part No.2TLA030050R0200
BrandABB Jokab
$236.72
Each
units
Panel Mount Turn To Release - 32.2mm - - 57 mA 5P IP65 Turn Release 24 V dc Mushroom Yes Smile
RS Stock No. 742-0760
Mfr. Part No.NDRR50RT
BrandSchmersal
$77.95
Each
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Panel Mount Key Reset - - - No - - IP67, IP69K - - Round No -
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