Emergency Stop Push Buttons

An emergency stop button, also known as an E-Stop, is a fail-safe control switch that provides safety both 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 stop button to reduce risk. Buttons are typically red, often with a yellow background to ensure a vivid and easily identified solution.

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

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.

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.


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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. 173-6848
Mfr. Part No.3SU1801-2NG00-2AA2
BrandSiemens
$191.82
Each
units
Panel Mount Pull-To-Unlatch NC/NO - - 2 10 A - IP66, IP67, IP69, IP69K Latching 5 → 500 V ac, 5 → 500 V dc Round - -
RS Stock No. 528-8255
Mfr. Part No.EMSH/P/F1/MR/CO
$317.21
Each
units
Surface Mount Pull to Reset NO/NC - - - 16 A - IP65 - - Mushroom No MT
RS Stock No. 176-0056
Mfr. Part No.2TLA030050R0100 Smile 11 EAR Tina
BrandABB Jokab
$228.49
Each
units
Panel Mount Turn To Release - 32.2mm - - 57 mA 5P IP65 Turn Release 24 V dc Mushroom Yes Smile
RS Stock No. 174-4222
Mfr. Part No.A22NE-MP-P202-N
BrandOmron
$105.89
Each
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Panel Mount Pull Reset 2NC 22mm 2 No - - IP65 Push-In - Round No A22NE
RS Stock No. 170-2231
Mfr. Part No.61-6441.4097
BrandEAO
$137.96
1 Bag of 1
Bag(s)
Panel Mount Twist to Reset 1NC/2NO 16mm - - 0.2 (ac) A, 0.2 (dc) A - IP67, IP69K Turn Release 50 V ac, 50 V dc Mushroom No 61 Compact
RS Stock No. 193-4891
Mfr. Part No.3SU1001-1GB20-0AA0
BrandSiemens
$57.50
Each
units
- - - 22.3mm - - - - IP66, IP67, IP69(IP69K) Latching - Mushroom - SIRIUS ACT
RS Stock No. 187-8917
Mfr. Part No.LPZM1B5P01
BrandLovato
$134.16
Each
units
- Twist to Reset NC 21mm - No - - IP66, IP67 - - - No -
RS Stock No. 193-3154
Mfr. Part No.3SU1000-1LB20-0AA0
BrandSiemens
$48.48
Each
units
- - - 22.3mm - - - - IP66, IP67, IP69(IP69K) Latching - Mushroom - SIRIUS ACT
RS Stock No. 193-2721
Mfr. Part No.3SU1801-0NB00-2AA2
BrandSiemens
$128.45
Each
units
- Twist to Reset - - - 2 10 A - IP66, IP67, IP69(IP69K) Latching 5 → 500 V ac, 5 → 500 V dc Round - -
RS Stock No. 176-0055
Mfr. Part No.2TLA030050R0200 Smile 12 EA Tina
BrandABB Jokab
$244.02
Each
units
Panel Mount Turn To Release - 32.2mm - - 57 mA 5P IP65 Turn Release 24 V dc Mushroom Yes Smile
New
RS Stock No. 212-4902
Mfr. Part No.ZB4BS94420
$111.42
Each
units
Front Mounting Key release - 22mm 1 1 - - - - - Flat - Harmony XB4
RS Stock No. 528-8249
Mfr. Part No.EMSH/P/MR/CO
$304.20
Each
units
Surface Mount Pull to Reset NO/NC - - - 16 A - IP65 - 250 V Mushroom No -
RS Stock No. 866-1555
Mfr. Part No.190929 & M22-PV-K02
BrandEaton
$72.22
Each
units
Panel Mount Pull to Reset 2NC 22.5mm - - - - IP67, IP69K Pull to Release 24 V Round No RMQ Titan
RS Stock No. 202-0431
Mfr. Part No.197546 & M30-PVLT30
BrandEaton
$44.00
Each
units
Panel Mount Turn To Release - 30.5mm - - - - - - - Mushroom Yes RMQ Titan