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. 176-0052
Mfr. Part No.2TLA030051R0200
BrandABB Jokab
SGD175.12
Each
units
Panel Mount Turn To Release 2NC 32.2mm - - - 2P IP65 Turn Release 27 V dc Mushroom Yes Smile
RS Stock No. 832-6170
Mfr. Part No.HW1B-X4F01-R
BrandIdec
SGD67.23
Each
units
Panel Mount Key Reset NC 22mm - - 10 (ac) A, 8 (dc) A - IP65 - 440 V Round No -
RS Stock No. 194-2033
Mfr. Part No.84-5231.2B20
BrandEAO
SGD91.30
Each
units
Panel Mount - 1NC, 1NO 22.3mm - - 1.5 A SPST IP65, IP67 - 240 V ac Round Yes Compact
RS Stock No. 193-3338
Mfr. Part No.3SU1050-1HX20-0AA0
BrandSiemens
SGD147.06
Each
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- - - 22.3mm - - - - IP66, IP67, IP69(IP69K) Latching - Mushroom - SIRIUS ACT
RS Stock No. 193-3277
Mfr. Part No.3SU1050-1HH20-0AA0
BrandSiemens
SGD88.60
Each
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- - - 22.3mm - - - - IP66, IP67, IP69(IP69K) Latching - Mushroom - SIRIUS ACT
RS Stock No. 832-5919
Mfr. Part No.FB1W-HW1B-Y202R
BrandIdec
SGD93.85
Each
units
Surface Mount Twist to Reset 2NC - - - 10 (ac) A, 8 (dc) A - IP65 - 440 V Round No -
RS Stock No. 187-8919
Mfr. Part No.LPZM1B5P02
BrandLovato
SGD129.73
Each
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- Key Reset NC 21mm - No - - IP66, IP67 - - - No -
RS Stock No. 194-2038
Mfr. Part No.84-5321.2B20
BrandEAO
SGD78.85
Each
units
Panel Mount - 1NC 22.3mm - - 1.5 A SPST IP65, IP67 - 240 V ac Round Yes Compact
RS Stock No. 182-4278
Mfr. Part No.XA1E-LV413Q4R
BrandIdec
SGD58.15
Each
units
Panel Mount Pull or Turn, Push-to-Lock 3NC, NO 16mm - - 11 mA - IP65 Pull or Turn, Push-to-Lock 24 V ac/dc Mushroom Yes -
RS Stock No. 690-6951
Mfr. Part No.84-5031.2B40
BrandEAO
SGD78.00
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. 193-2722
Mfr. Part No.3SU1801-0NN00-2AA2
BrandSiemens
SGD153.08
Each
units
- Key-Operated-Release - - - 2 10 A - IP66, IP67, IP69(IP69K) - 5 ... 500 V Round - -
RS Stock No. 173-6760
Mfr. Part No.3SU1100-1HA20-1CH0
BrandSiemens
SGD49.82
Each
units
Panel Mount Pull-To-Unlatch NC 22mm - 1 10 A - IP20, IP66, IP67, IP69, IP69K Latching 500 V Round - -
RS Stock No. 826-4390
Mfr. Part No.231001
BrandIDEM
SGD161.22
Each
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Surface Mount Twist to Reset 2NC/NO - - - 3 A - IP69K - 240 V Round No -
RS Stock No. 826-4413
Mfr. Part No.232009
BrandIDEM
SGD202.15
Each
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Surface Mount Twist to Reset 2NC/2NO - - - 3 A - IP67, IP69K - 240 V ac/dc Round No -
RS Stock No. 182-4275
Mfr. Part No.XA1E-LV302Q4R
BrandIdec
SGD46.40
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. 181-2873
Mfr. Part No.3SU1150-1HB20-1FG0
BrandSiemens
SGD59.68
Each
units
Chassis Mount Rotate-to-Unlatch NO/NC 22.3mm - 3 10 A DPST IP20, IP66, IP67, IP69 Latching 500 V ac/dc Mushroom - SIRIUS ACT
RS Stock No. 832-6151
Mfr. Part No.HW1B-V4R
BrandIdec
SGD41.65
Each
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Panel Mount Twist to Reset - 22.3mm - - - - IP20, IP65 - - Round No -
RS Stock No. 174-4218
Mfr. Part No.A22NE-L-P202-N
BrandOmron
SGD93.58
Each
units
Panel Mount Turn Reset 2NC 22mm 2 No - - IP65 Push-In - Round Yes A22NE
RS Stock No. 180-9498
Mfr. Part No.3SU1100-1HB20-1FG0
BrandSiemens
SGD58.70
Each
units
Panel Mount Rotate-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. 180-9497
Mfr. Part No.3SU1100-1HB20-1CF0
BrandSiemens
SGD53.10
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