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. 194-2032
Mfr. Part No.84-5230.0020
BrandEAO
$70.47
Each
units
Panel Mount - 1NC, 1NO 22.3mm - - 1.5 A SPST IP65, IP67 - 240 V ac Round - Compact
RS Stock No. 137-0020
Mfr. Part No.A02ESI3B102IX0+PEA01+QH22L57YC
BrandAPEM
$89.16
1 Pack of 1
Pack(s)
Panel Mount Turn to Release 2NC 22.7mm - - 8 (dc) A, 10 (ac) A DPST IP65 Pull/Twist to Release, Push to Shut Off 24 V dc, 240 V ac Mushroom No -
RS Stock No. 169-7071
Mfr. Part No.45-2C36.1A20.000
BrandEAO
$68.96
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. 176-0050
Mfr. Part No.2TLA030053R0000
BrandABB Jokab
$132.81
Each
units
Panel Mount Turn To Release NO 32.2mm - - - 1P IP65 Turn Release 27 V dc Mushroom Yes Smile
RS Stock No. 193-5312
Mfr. Part No.3SU1050-1HS20-0AA0
BrandSiemens
$150.33
Each
units
- - - 22.3mm - - - - IP66, IP67, IP69(IP69K) Latching - Mushroom - SIRIUS ACT
RS Stock No. 180-9497
Mfr. Part No.3SU1100-1HB20-1CF0
BrandSiemens
$64.20
Each
units
Panel Mount Rotate-To-Unlatch NC 22.3mm - NC 10 A - IP20, IP66, IP67, IP69, IP69K Latching 5 → 500 V ac/dc Mushroom - SIRIUS ACT
RS Stock No. 193-2507
Mfr. Part No.3SU1150-1HB20-3CH0
BrandSiemens
$67.81
Each
units
Front plate mounting Twist to Reset - - - - 10 A - IP66, IP67, IP69(IP69K) Latching 5 ... 500 V ac/dc - - -
RS Stock No. 182-4277
Mfr. Part No.XA1E-LV402Q4R
BrandIdec
$53.60
Each
units
Panel Mount Pull or Turn, Push-to-Lock 2NC 16mm - - 11 mA - IP65 Pull or Turn, Push-to-Lock 24 V ac/dc Mushroom Yes -
RS Stock No. 193-3798
Mfr. Part No.3SU1150-1HB20-3PH0
BrandSiemens
$75.80
Each
units
Front plate mounting Twist to Reset - - - - 10 A - IP66, IP67, IP69(IP69K) Latching 5 ... 500 V ac/dc - - -
RS Stock No. 202-0425
Mfr. Part No.197536 & M22-PVT30
BrandEaton
$37.76
Each
units
Panel Mount Turn to Release - 22.5mm - - - - - - - Mushroom No RMQ Titan
RS Stock No. 187-8917
Mfr. Part No.LPZM1B5P01
BrandLovato
$124.87
Each
units
- Twist Reset NC 21mm - No - - IP66, IP67 - - - No -
RS Stock No. 137-0019
Mfr. Part No.A02ESH3B102IX0+PEA01+A01YL5
BrandAPEM
$95.20
1 Pack of 1
Pack(s)
Panel Mount Turn to Release 2NC 22.7mm - - 2 (dc) A, 2 (NC) A, 3 (ac) A, 3 (NC) A DPST IP20, IP65 Pull/Twist to Release, Push to Shut Off 30 (NC) V dc, 30 (NO) V dc, 250 (NC) V ac, 250 (NO) V ac Mushroom No -
RS Stock No. 180-0366
Mfr. Part No.ZB4BT844
$75.46
Each
units
Panel Mount Push to Pull NO/NC 22mm - 2 - - IP2x, IP65 Push Pull - Round - Harmony XB5
RS Stock No. 176-0055
Mfr. Part No.2TLA030050R0200
BrandABB Jokab
$224.98
Each
units
Panel Mount Turn To Release - 32.2mm - - 57 mA 5P IP65 Turn Release 24 V dc Mushroom Yes Smile
RS Stock No. 182-4276
Mfr. Part No.XA1E-LV313Q4R
BrandIdec
$84.93
Each
units
Panel Mount Pull or Turn, Push-to-Lock NO, 3NC 16mm - - 11 mA - IP65 Pull or Turn, Push-to-Lock 24 V ac/dc Mushroom Yes -
RS Stock No. 194-2031
Mfr. Part No.84-5221.2B20
BrandEAO
$84.85
Each
units
Panel Mount - 1NC 22.3mm - - 1.5 A SPST IP65, IP67 - 240 V ac Round Yes Compact
RS Stock No. 176-0054
Mfr. Part No.2TLA030050R0500
BrandABB Jokab
$181.99
Each
units
Panel Mount Turn To Release - 32.2mm - - 57 mA 5P IP65 Turn Release 24 V dc Mushroom Yes Smile
RS Stock No. 180-9496
Mfr. Part No.3SU1100-1HA20-1FH0
BrandSiemens
$68.99
Each
units
Panel Mount Pull-To-Unlatch NO/NC 22.3mm - NO/NC/CO 10 A - IP20, IP66, IP67, IP69, IP69K Latching 5 → 500 V ac/dc Mushroom - SIRIUS ACT
RS Stock No. 193-3317
Mfr. Part No.3SU1050-1HQ20-0AA0
BrandSiemens
$116.53
Each
units
- - - 22.3mm - - - - IP66, IP67, IP69(IP69K) Latching - Mushroom - SIRIUS ACT