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. 193-3338
Mfr. Part No.3SU1050-1HX20-0AA0
BrandSiemens
HK$791.65
Each
units
- - - 22.3mm - - - - IP66, IP67, IP69(IP69K) Latching - Mushroom - SIRIUS ACT
RS Stock No. 193-5304
Mfr. Part No.3SU1000-1HT20-0AA0
BrandSiemens
HK$671.64
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units
- - - 22.3mm - - - - IP66, IP67, IP69(IP69K) Latching - Mushroom - SIRIUS ACT
RS Stock No. 194-2030
Mfr. Part No.84-5220.0020
BrandEAO
HK$308.74
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units
Panel Mount - 1NC 22.3mm - - 1.5 A SPST IP65, IP67 - 240 V ac Round - Compact
RS Stock No. 828-7703
Mfr. Part No.AB6E-4BV02PTRM
BrandIdec
HK$345.78
Each
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- - - - - - - - - - - - - -
RS Stock No. 194-2082
Mfr. Part No.704.064.2A
BrandEAO
HK$393.76
Each
units
Panel Mount Twist to Release - 22.3mm - - - - IP65 - - Round - -
RS Stock No. 757-9070
Mfr. Part No.A165E-LS-24D-02
BrandOmron
HK$517.08
Each
units
Panel Mount Twist to Reset 2NC - - No - DPST IP65 - - Mushroom Yes -
RS Stock No. 170-2225
Mfr. Part No.61-6441.4047
BrandEAO
HK$315.29
1 Bag of 1
Bag(s)
Panel Mount Twist to Reset 1 NC 16mm - - 0.2 (ac) A, 0.2 (dc) A - IP67, IP69K Turn Release 50V AC, 50V DC Mushroom No 61 Compact
RS Stock No. 609-2651
Mfr. Part No.ZB4BS964
HK$964.37
Each
units
Panel Mount Key Reset - - - - - - IP66, IP67, IP69, IP69K - - Mushroom No Harmony
RS Stock No. 866-1552
Mfr. Part No.M22-PVT-K12
BrandEaton
HK$369.89
Each
units
Panel Mount Twist to Reset NO/2NC 22.5mm - - - - IP67, IP69K - 24 V Round No -
New
RS Stock No. 200-4226
Mfr. Part No.84-5020.0040
BrandEAO
HK$356.81
Each
units
Panel Mount Twist to Reset 1NC/1NO 22.3mm - - 1.5 A - - - - Mushroom - 84 Series
RS Stock No. 832-5969
Mfr. Part No.FB1W-XW1E-BV504MR
BrandIdec
HK$874.93
Each
units
Surface Mount Twist to Reset 4NC - - - - - IP65 - - Round No -
RS Stock No. 866-1451
Mfr. Part No.M22-PVL-K02-R
BrandEaton
HK$472.87
Each
units
Panel Mount Pull to Reset 2NC 22.5mm - - - - IP67, IP69K - 12 → 30 V ac/dc Round No -
RS Stock No. 110-4560
Mfr. Part No.M22S-PV
BrandEaton
HK$260.23
Each
units
Panel Mount Pull to Release - 23mm - - - - IP66, IP67, IP69K Push Lock - Mushroom - -
New
RS Stock No. 202-0431
Mfr. Part No.M30-PVLT30
BrandEaton
HK$217.36
Each
units
Panel Mount Turn To Reset 1NC 30mm - - - - - - - Mushroom - M30
RS Stock No. 176-0055
Mfr. Part No.2TLA030050R0200
BrandABB Jokab
HK$1,131.50
Each
units
Panel Mount Turn To Release - 32.2mm - - 57 mA 5P IP65 Turn Release 24 V dc Mushroom Yes Smile
RS Stock No. 123-8167
Mfr. Part No.XB5AS8444
HK$289.61
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. 793-3566
Mfr. Part No.C22-PVT60P-K11
BrandEaton
HK$238.98
Each
units
Panel Mount Twist to Reset NC/NO 22.5mm - - 4 A - IP67, IP69 - 250 V Mushroom No -
RS Stock No. 169-7072
Mfr. Part No.45-2C36.2920.000
BrandEAO
HK$286.78
Each
units
Panel Mount Twist to Reset - 22.3mm - - 10 A - IP66, IP67, IP69K - 500 V ac, 500 V dc Mushroom No Series 45
RS Stock No. 193-4751
Mfr. Part No.3SU1851-0NB10-4GC2
BrandSiemens
HK$3,533.24
Each
units
- Rotate-To-Unlatch - - - 2 10 A - IP66, IP67, IP69(IP69K) Latching 5 ... 500 V Round - -
RS Stock No. 195-8729
Mfr. Part No.XB5AS84W3B5
HK$481.05
Each
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- Turn to Release NO/NC 22mm - - 6 A - IP66, IP67, IP69, IP69K - 24 V ac/dc Mushroom Yes Harmony
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