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. 609-2623
Mfr. Part No.ZB4BS834
HK$224.28
Each
units
Panel Mount Twist to Reset - 22mm - - - - IP66, IP69, IP69K - - Mushroom No Harmony
RS Stock No. 259-946
Mfr. Part No.LBX10510
BrandBACO
HK$375.56
Each
units
Surface Mount Twist to Reset NC - - - - - IP66 - - Mushroom No -
RS Stock No. 609-4742
Mfr. Part No.XALK188E
HK$453.53
Each
units
Surface Mount Key Reset NO/NC - - - - DPST IP66, IP67, IP69, IP69K - - Mushroom No -
RS Stock No. 110-4568
Mfr. Part No.263469 & M22-PVLT
BrandEaton
HK$339.58
Each
units
Panel Mount Turn to Release NC/NO - - - - - IP66, IP67, IP69K Turn Release - Mushroom No RMQ Titan
RS Stock No. 746-7154
Mfr. Part No.A22E-M-01B
BrandOmron
HK$596.89
Each
units
Panel Mount Twist to Reset NC - - No - SPST IP65 - - Mushroom No -
RS Stock No. 731-8989
Mfr. Part No.XAPK178F93H29
HK$668.64
Each
units
Surface Mount Twist to Reset 2NC - - - 6 (ac) A, 550 (dc) mA DPST IP65 - 600 V ac/dc Mushroom No Harmony
RS Stock No. 219-5813
Mfr. Part No.A01ES-DM+A0154B-D+A01YL1
BrandAPEM
HK$177.72
Each
units
Panel Mount Twist to Reset 2NC 16mm - - 1.5 A - IP65 - 250 V ac Mushroom No -
RS Stock No. 795-1299
Mfr. Part No.XALK1781
HK$339.35
Each
units
Surface Mount Twist to Reset NC - - - 1.2 A SPST IP66, IP67, IP69, IP69K - 600 V ac Mushroom No Harmony
RS Stock No. 795-1324
Mfr. Part No.ZB5AS864
HK$1,305.23
Each
units
Panel Mount Twist to Reset - 22.5mm - - - - IP66, IP67, IP69, IP69K - - Round No Harmony
RS Stock No. 609-2673
Mfr. Part No.ZB4BT84
HK$188.41
Each
units
Panel Mount Pull to Reset - - - - - - IP66, IP67, IP69, IP69K - - Mushroom No Harmony
RS Stock No. 690-6945
Mfr. Part No.84-5040.0040
BrandEAO
HK$320.76
Each
units
Panel Mount Twist to Reset 2NC 22.5mm - - 3 (ac) A, 5 (dc) A DPST IP65 - 240 V ac, 250 V dc Mushroom No -
RS Stock No. 259-924
Mfr. Part No.LBX13102
BrandBACO
HK$637.36
Each
units
Surface Mount Pull to Reset 2NC - - - - - IP66 - - Mushroom No -
RS Stock No. 831-7870
Mfr. Part No.AVW301-R
BrandIdec
HK$487.06
Each
units
Panel Mount Twist to Reset NC 22.3mm - - - - IP65 - - Mushroom No -
RS Stock No. 795-1283
Mfr. Part No.XB4BS9445EX
HK$1,066.10
Each
units
Panel Mount Key Reset NC/NO 22.5mm - - 1.2 A DPST IP66, IP67, IP69, IP69K - 600 V ac Mushroom No Harmony
RS Stock No. 521-3633
Mfr. Part No.1TVL101000P3204
BrandABB
HK$675.28
Each
units
Surface Mount Twist to Reset NC - - No - SPST IP66 - - Round No -
RS Stock No. 742-0760
Mfr. Part No.NDRR50RT
BrandSchmersal
HK$387.07
Each
units
Panel Mount Key Reset - 22.3mm - No - - IP67, IP69K - - Round No -
RS Stock No. 832-6149
Mfr. Part No.HW1B-V4F10-R
BrandIdec
HK$297.01
Each
units
Panel Mount Twist to Reset NO 22mm - - 8 (dc) A, 10 (ac) A - IP65 - 440 V Round No -
RS Stock No. 810-3794
Mfr. Part No.216515 & M22-PV/K01
BrandEaton
HK$376.28
Each
units
Panel Mount Pull to Reset NC 22.5mm - - 15 mA - IP66, IP67, IP69K - 12 → 30 V ac Round No RMQ Titan
RS Stock No. 690-6960
Mfr. Part No.84-5040.0020
BrandEAO
HK$365.00
Each
units
Panel Mount Twist to Reset 2NC 22.5mm - - 3 (ac) A, 5 (dc) A DPST IP65 - 240 V ac, 250 V dc Mushroom No -
RS Stock No. 110-4542
Mfr. Part No.216878 & M22-PVL
BrandEaton
HK$339.58
Each
units
Panel Mount Pull to Release 2NC 22.5mm - - - - IP66, IP67, IP69K Push Lock - Mushroom Yes RMQ Titan