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. 742-0751
Mfr. Part No.NDRZ50GR/RT
BrandSchmersal
MYR267.41
Each
units
Panel Mount Key Reset - 22.3mm - No - - IP67, IP69K - - Round No -
RS Stock No. 182-4280
Mfr. Part No.XA1E-BV403RH-EMO
BrandIdec
MYR200.79
Each
units
Panel Mount Pushlock Turn 3NC 16mm - - - - IP65 Push Lock - Mushroom No -
RS Stock No. 833-7155
Mfr. Part No.XW1E-LV4TG12Q4MFR
BrandIdec
MYR267.19
Each
units
Panel Mount Twist to Reset NO/2NC 22mm - - 15 mA - IP65 - 24 V ac/dc Round Yes -
RS Stock No. 194-2031
Mfr. Part No.84-5221.2B20
BrandEAO
MYR262.48
Each
units
Panel Mount - 1NC 22.3mm - - 1.5 A SPST IP65, IP67 - 240 V ac Round Yes Compact
RS Stock No. 866-1451
Mfr. Part No.M22-PVL-K02-R
BrandEaton
MYR302.32
Each
units
Panel Mount Pull to Reset 2NC 22.5mm - - - - IP67, IP69K - 12 → 30 V ac/dc Round No -
RS Stock No. 173-6856
Mfr. Part No.3SU1851-0ND00-2AC2
BrandSiemens
MYR581.78
Each
units
Panel Mount Rotate-To-Unlatch 1NO/2NC - - 3 10 A - IP66, IP67, IP69, IP69K Latching 500 V ac/dc Round - -
RS Stock No. 874-1807
Mfr. Part No.3SU1150-1HB20-1CH0
BrandSiemens
MYR143.30
Each
units
Panel Mount Twist to Reset NC (Auxiliary) 22mm - - - - IP20 Latching 5 → 500 V Mushroom No SIRIUS ACT
RS Stock No. 193-2789
Mfr. Part No.3SU1100-1HB20-1PG0
BrandSiemens
MYR189.54
Each
units
Front plate mounting Twist to Reset - - - - 10 A - IP66, IP67, IP69(IP69K) Latching 5 ... 500 V ac/dc - - -
RS Stock No. 795-1328
Mfr. Part No.ZB5AS964
MYR203.91
Each
units
Panel Mount Key Reset - 22.5mm - - - - IP66, IP67, IP69, IP69K - - Round No Harmony
RS Stock No. 195-8738
Mfr. Part No.XALK84W2MG
MYR393.64
Each
units
- Turn to Release 1NO/2NC 22mm - - 6 A - - - 230 V Mushroom Yes Harmony
RS Stock No. 194-2036
Mfr. Part No.84-5241.2B20
BrandEAO
MYR284.09
Each
units
Panel Mount - 2NC 22.3mm - - 1.5 A SPST IP65, IP67 - 240 V ac Round Yes Compact
RS Stock No. 831-7832
Mfr. Part No.AVD301N-R
BrandIdec
MYR198.75
Each
units
Panel Mount Twist to Reset NC 30.5mm - - - - IP65 - - Mushroom No -
New
RS Stock No. 202-0429
Mfr. Part No.M30-PVT30
BrandEaton
MYR101.32
Each
units
Panel Mount Pull to Reset 1NC 30mm - - - - - - - Mushroom - M30
RS Stock No. 193-2476
Mfr. Part No.3SU1150-1HA20-3CH0
BrandSiemens
MYR214.75
Each
units
Front plate mounting Pull-To-Unlatch - - - - 10 A - IP66, IP67, IP69(IP69K) Latching 5 ... 500 V ac/dc - - -
RS Stock No. 833-7209
Mfr. Part No.HW 1B-V4F02-R
BrandIdec
MYR238.12
Each
units
Panel Mount Twist to Reset 2NC 22mm - - 8 (dc) A, 10 (ac) A - IP65 - 440 V Round No -
RS Stock No. 874-1737
Mfr. Part No.3SU1000-1HA20-0AA0
BrandSiemens
MYR93.98
Each
units
Panel Mount Pull to Reset - 22mm - - - - - Latching - Mushroom No SIRIUS ACT
RS Stock No. 833-7066
Mfr. Part No.XW1E-BV4TG03MR
BrandIdec
MYR208.14
Each
units
Panel Mount Twist to Reset 3NC 22mm - - - - IP65 - - Round No -
RS Stock No. 193-2703
Mfr. Part No.3SU1802-0NB00-2AB2
BrandSiemens
MYR484.80
Each
units
- Rotate-To-Unlock - - - 3 10 A - IP66, IP67, IP69(IP69K) - 24 ... 24 V Round - -
RS Stock No. 609-2639
Mfr. Part No.ZB4BS934
MYR204.38
Each
units
Panel Mount Key Reset - - - - - - IP66, IP67, IP69, IP69K - - Mushroom No Harmony
RS Stock No. 170-2240
Mfr. Part No.61-6461.4097
BrandEAO
MYR351.06
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 50V AC, 50V DC Mushroom No 61 Compact