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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RS Stock No. 425-8449
Mfr. Part No.XB4BS8445
PHP2,484.20
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Panel Mount Harmony - 22mm - Red - NO/NC - - Latching 46.5mm 43mm No
RS Stock No. 330-9388
Mfr. Part No.ZB4BS844
PHP1,937.15
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Panel Mount Harmony - 22mm - Red - - - - - 40mm 57mm No
RS Stock No. 795-1306
Mfr. Part No.XB4BS8442
PHP3,320.32
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Panel Mount Harmony - 22.5mm - Red - NC - - - 40mm 82mm No
RS Stock No. 795-1312
Mfr. Part No.XB5AS8442
PHP6,241.35
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Panel Mount Harmony - 22.5mm - Red - NC - - - - 77.5mm No
RS Stock No. 609-6164
Mfr. Part No.XB5AS8445
PHP2,760.35
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Panel Mount Harmony - 22mm - Red - NO/NC - - - 43mm 43mm No
RS Stock No. 330-8587
Mfr. Part No.XALK178F
PHP3,374.81
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Surface Mount Harmony Polycarbonate - - - - 2NC 68mm - - 68mm 53mm No
RS Stock No. 795-1286
Mfr. Part No.ZB4BS864
PHP2,193.75
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Panel Mount Harmony - 22.5mm Round Red - - - - - - 39.5mm No
RS Stock No. 546-644
Mfr. Part No.XAPJ1201SPEC0971
PHP7,114.13
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Panel Mount Harmony - - - Red - NO/2NC 80mm IP65 - 80mm 51mm No
RS Stock No. 546-648
Mfr. Part No.XAPJ1201SPEC0971
PHP8,185.81
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Panel Mount Harmony - - - Red - NO/2NC 80mm IP65 - 80mm 51mm No
RS Stock No. 609-4708
Mfr. Part No.XALK178E
PHP3,971.52
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Surface Mount Harmony XALK Polycarbonate - - - - NO/NC 68mm - - 68mm 91mm No
RS Stock No. 609-5600
Mfr. Part No.XB4BT845
PHP6,538.25
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Panel Mount Harmony - 22mm - Red - NO/NC - - Mechanical Latch, Trigger Action 46.5mm 43mm No
RS Stock No. 795-1295
Mfr. Part No.XALK178
PHP2,800.25
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Surface Mount Harmony Polycarbonate - - Yellow - NC 68mm - - 68mm 91.5mm No
RS Stock No. 417-5401
Mfr. Part No.A01ES-DSP3+54B-D+FM2+YL5+PEA01
BrandAPEM
PHP3,047.94
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Surface Mount A01ES Polycarbonate - - - - NC 65mm IP65 - 65mm 57mm No
RS Stock No. 621-9171
Mfr. Part No.9001TYK11
PHP9,585.24
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Surface Mount Harmony - - - - - NC 92mm IP66 - - - No
RS Stock No. 609-4714
Mfr. Part No.XALK178G
PHP3,686.45
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Surface Mount Harmony XALK Polycarbonate - - - - NO/2NC 68mm - - 68mm 91mm No
RS Stock No. 826-3852
Mfr. Part No.S1PY91PS
BrandLovato
PHP3,018.88
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Surface Mount S1P Plastic 22.3mm - - - NC 72mm IP66, IP67, IP69K - 72mm 97.4mm No
RS Stock No. 122-2311
Mfr. Part No.XB4BS8444
PHP5,358.64
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Panel Mount Harmony - 22mm - Red - 2NC - - Push Emergency Stop 82.5mm 46.5mm No
RS Stock No. 321-155
Mfr. Part No.GHG4118101R1826
BrandCEAG
PHP11,685.32
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Surface Mount GHG411 Plastic - - - - NO/NC 85mm - - 85mm 77.5mm No
RS Stock No. 826-4394
Mfr. Part No.231002
BrandIDEM
PHP7,261.79
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Surface Mount ES - - Round - - 2NC/NO 75mm IP69K - 70mm 105mm No
RS Stock No. 831-7889
Mfr. Part No.AVW401-R
BrandIdec
PHP2,977.83
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Panel Mount - - 22.3mm - Red - NC - IP65 - - - No