Emergency Stop Push Buttons

An emergency stop push button or E-Stop 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 pushbutton 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. 477-4890
Mfr. Part No.84-5030.0020
BrandEAO
£17.20
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. 477-4907
Mfr. Part No.84-5031.2B20
BrandEAO
£25.10
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. 690-6960
Mfr. Part No.84-5040.0020
BrandEAO
£22.64
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. 690-6945
Mfr. Part No.84-5040.0040
BrandEAO
£54.95
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. 690-6957
Mfr. Part No.84-5041.2B40
BrandEAO
£50.04
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 Yes -
RS Stock No. 903-9486
Mfr. Part No.704.066.2
BrandEAO
£47.81
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 690-6951
Mfr. Part No.84-5031.2B40
BrandEAO
£40.26
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. 690-6954
Mfr. Part No.84-5030.0040
BrandEAO
£25.96
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. 737-7041
Mfr. Part No.51-259.025
BrandEAO
£26.36
Each
Units
Panel Mount - - 16mm - - - - IP65 Maintained - - No -
RS Stock No. 737-7054
Mfr. Part No.51-253.026
BrandEAO
£24.73
Each
Units
Panel Mount - - 16mm - - - - IP65 Maintained - - No -
New
RS Stock No. 194-2083
Mfr. Part No.61-3440.4/3
BrandEAO
£42.19
Each
Units
Panel Mount Twist to Release - 16mm - - - - IP67, IP69K - - Round Yes Compact
New
RS Stock No. 194-2042
Mfr. Part No.84-5340.0020
BrandEAO
£29.73
Each
Units
Panel Mount Twist to Release 2NC 22.3mm - - 1.5 A SPST IP65, IP67 - 240 V ac Round - Compact
RS Stock No. 169-7070
Mfr. Part No.45-2C36.1920.000
BrandEAO
£22.64
Each
Units
Panel Mount Twist to Reset - 22.3mm - - 10 A - IP66, IP67, IP69K - 500 V dc, 500 V ac Mushroom No Series 45
RS Stock No. 176-0197
Mfr. Part No.84-5120.0020
BrandEAO
£26.29
Each
Units
Panel Mount Turn to Release NC 22.3mm - - 5 A 2P IP65 Turn Release 250 V ac/dc Round No -
New
RS Stock No. 194-2043
Mfr. Part No.84-5341.2B20
BrandEAO
£42.59
Each
Units
Panel Mount Twist to Release 2NC 22.3mm - - 1.5 A SPST IP65, IP67 - 240 V ac Round Yes Compact
RS Stock No. 170-2225
Mfr. Part No.61-6441.4047
BrandEAO
£27.43
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 DC, 50V AC Mushroom No 61 Compact
New
RS Stock No. 194-2036
Mfr. Part No.84-5241.2B20
BrandEAO
£42.59
Each
Units
Panel Mount - 2NC 22.3mm - - 1.5 A SPST IP65, IP67 - 240 V ac Round Yes Compact
RS Stock No. 176-0200
Mfr. Part No.84-6840.0040
BrandEAO
£32.30
Each
Units
Panel Mount Turn to Release 2NC 22.3mm - - 5 A 1P IP65 Turn Release 250 V ac/dc Round No -
New
RS Stock No. 194-2031
Mfr. Part No.84-5221.2B20
BrandEAO
£39.35
Each
Units
Panel Mount - 1NC 22.3mm - - 1.5 A SPST IP65, IP67 - 240 V ac Round Yes Compact
RS Stock No. 170-2227
Mfr. Part No.61-6441.4067
BrandEAO
£50.50
1 Bag of 1
Bag(s)
Panel Mount Twist to Reset 3 NC 16mm - - 0.2 (ac) A, 0.2 (dc) A - IP67, IP69K Turn Release 50V AC, 50V DC Mushroom No 61 Compact