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. 330-9388
Mfr. Part No.ZB4BS844
TWD736.00
Each
units
Panel Mount Twist to Reset - 22mm - - 6 (ac) A, 550 (dc) mA - IP66, IP69, IP69K - 600 V ac/dc Mushroom No Harmony
RS Stock No. 765-1258
Mfr. Part No.ES2S41653001
BrandApem
TWD7,015.00
Each
units
Panel Mount Pull to Reset NO/NC 34 mmmm - - - - IP65 - - Mushroom No -
RS Stock No. 790-3543
Mfr. Part No.S1PY91KS
BrandLovato
TWD1,622.00
Each
units
Surface Mount Key Reset NC - - No - SPST IP66, IP67, IP69K - - Mushroom No -
RS Stock No. 621-9171
Mfr. Part No.9001TYK11
TWD4,657.00
Each
units
Surface Mount Twist to Reset NC - - - - - IP66 - - Mushroom No Harmony
RS Stock No. 492-7280
Mfr. Part No.CE3P-10R-11
BrandABB
TWD895.00
Each
units
Panel Mount Pull to Reset NO/NC 22.5mm - No 1.5 (ac) A, 300 (dc) mA DPST IP66, IP67, IP69K - 300 V ac/dc Mushroom No Compact
RS Stock No. 193-3317
Mfr. Part No.3SU1050-1HQ20-0AA0
BrandSiemens
TWD2,397.00
Each
units
- - - 22.3mm - - - - IP66, IP67, IP69(IP69K) Latching - Mushroom - SIRIUS ACT
RS Stock No. 793-3569
Mfr. Part No.121610 & C22-PVT45P-K11
BrandEaton
TWD1,364.00
Each
units
Panel Mount Twist to Reset NC/NO 22.5mm - - 4 A - IP67, IP69 - 250 V Mushroom No -
RS Stock No. 137-0016
Mfr. Part No.A01ES-DF2+A0154B-D+A01YL1
BrandAPEM
TWD533.00
1 Pack of 1
Pack(s)
Panel Mount Turn to Release 2NC 16mm - - 6 A DPST IP40, IP65 Push to Shut Off, Turn Release 250 V ac Smooth No -
RS Stock No. 192-0852
Mfr. Part No.1SFA619550R1051
BrandABB
TWD758.00
Each
units
- Twist to Release 2NC - - 2NC 1.5 A - IP20, IP69K Twist Release 240 V Mushroom - Compact
RS Stock No. 833-7026
Mfr. Part No.XW1E-BV404M-R
BrandIdec
TWD1,605.00
Each
units
Panel Mount Twist to Reset 4NC 22mm - - - - IP65 - - Round No -
RS Stock No. 793-3572
Mfr. Part No.121619 & C22-PVS45P-MS1-K02
BrandEaton
TWD2,022.00
Each
units
Panel Mount Key Reset 2NC 22.5mm - - 4 A - IP66 - 250 V Mushroom No -
RS Stock No. 179-9503
Mfr. Part No.ZB5AW743
TWD1,961.00
Each
units
Panel Mount Turn To Release - 22mm - - - - IK05, IP66, IP69, IP69K Latching - Mushroom Yes Harmony XB5
RS Stock No. 815-2938
Mfr. Part No.XALK178H7
TWD4,370.00
Each
units
Surface Mount Twist to Reset - - - - - - IP66, IP67, IP69, IP69K - - Mushroom No -
RS Stock No. 866-1451
Mfr. Part No.73000194 & M22-PVL-K02-R
BrandEaton
TWD1,773.00
Each
units
Panel Mount Pull to Reset 2NC 22.5mm - - - - IP67, IP69K - 12 → 30 V ac/dc Round No RMQ Titan
RS Stock No. 399-3113
Mfr. Part No.216523 & M22-PVS/KC11/IY
BrandEaton
TWD2,020.00
Each
units
Surface Mount Key Reset NO/NC - - - 3 A @ 24 V dc, 6 A @ 230 V ac DPST IP67, IP69K - 220 V dc, 500 V ac Round No RMQ Titan
RS Stock No. 193-3682
Mfr. Part No.3SU1150-1HA20-3PH0
BrandSiemens
TWD1,656.00
Each
units
Front plate mounting Pull-To-Unlatch - - - - 10 A - IP66, IP67, IP69(IP69K) Latching 5 ... 500 V ac/dc - - -
RS Stock No. 193-2703
Mfr. Part No.3SU1802-0NB00-2AB2
BrandSiemens
TWD4,609.00
Each
units
- Rotate-To-Unlock - - - 3 10 A - IP66, IP67, IP69(IP69K) - 24 ... 24 V Round - -
RS Stock No. 170-2232
Mfr. Part No.61-6451.4247
BrandEAO
TWD2,388.00
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 AC, 50V DC Mushroom Yes 61 Compact
RS Stock No. 170-2229
Mfr. Part No.61-6441.4087
BrandEAO
TWD2,395.00
1 Bag of 1
Bag(s)
Panel Mount Twist to Reset 1NO/2NC 16mm - - 0.2 (ac) A, 0.2 (dc) A - IP67, IP69K Turn Release 50V AC, 50V DC Mushroom No 61 Compact
RS Stock No. 866-1454
Mfr. Part No.73000196 & M22-PVL-K12-R
BrandEaton
TWD1,869.00
Each
units
Panel Mount Pull to Reset NO/2NC 22.5mm - - - - IP67, IP69K - 12 → 30 V ac/dc Round No RMQ Titan