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. 690-6951
Mfr. Part No.84-5031.2B40
BrandEAO
HK$459.99
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. 847-5184
Mfr. Part No.M22-PV
BrandEaton
HK$170.36
Each
units
Panel Mount Pull to Reset - 22.5mm - - - - IP66, IP69K - - Round No -
RS Stock No. 746-7154
Mfr. Part No.A22E-M-01B
BrandOmron
HK$563.65
Each
units
Panel Mount Twist to Reset NC - - No - SPST IP65 - - Mushroom No -
RS Stock No. 259-946
Mfr. Part No.LBX10510
BrandBACO
HK$356.33
Each
units
Surface Mount Twist to Reset NC - - - - - IP66 - - Mushroom No -
RS Stock No. 492-7347
Mfr. Part No.CE3T-10R-11
BrandABB
HK$153.98
Each
units
Panel Mount Twist 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. 259-918
Mfr. Part No.LBX10610
BrandBACO
HK$278.85
Each
units
Panel Mount - NC - - - - - IP66 - - - - -
RS Stock No. 185-485
Mfr. Part No.CEPY1-2002
BrandABB
HK$458.16
Each
units
Surface Mount Pull to Reset 2NC - - No 1.5 (ac) A, 320 (dc) mA DPST IP66, IP67, IP69K - 125 V dc, 240 V ac Mushroom No Compact
RS Stock No. 477-4890
Mfr. Part No.84-5030.0020
BrandEAO
HK$251.37
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 No -
RS Stock No. 110-4568
Mfr. Part No.M22-PVLT
BrandEaton
HK$286.32
Each
units
Panel Mount Turn to Release NC/NO - - - - - IP66, IP67, IP69K Turn Release - Mushroom No -
RS Stock No. 609-2623
Mfr. Part No.ZB4BS834
HK$216.14
Each
units
Panel Mount Twist to Reset - 22mm - - - - IP66, IP69, IP69K - - Mushroom No Harmony
RS Stock No. 742-0757
Mfr. Part No.NDRZ50RT
BrandSchmersal
HK$458.63
Each
units
Panel Mount Key Reset - 22.3mm - No - - IP67, IP69K - - Round No -
RS Stock No. 742-0760
Mfr. Part No.NDRR50RT
BrandSchmersal
HK$365.51
Each
units
Panel Mount Key Reset - 22.3mm - No - - IP67, IP69K - - Round No -
RS Stock No. 874-2314
Mfr. Part No.3SU1801-0NB00-2AC2
BrandSiemens
HK$499.65
Each
units
- - - - - - - - - - - - - -
RS Stock No. 810-3804
Mfr. Part No.M22-PV/K11
BrandEaton
HK$367.34
Each
units
Panel Mount Pull to Reset NO/NC 22.5mm - - - DPST IP66, IP69 - - Mushroom No RMQ Titan
RS Stock No. 833-7026
Mfr. Part No.XW1E-BV404M-R
BrandIdec
HK$410.24
Each
units
Panel Mount Twist to Reset 4NC 22mm - - - - IP65 - - Round No -
RS Stock No. 874-1737
Mfr. Part No.3SU1000-1HA20-0AA0
BrandSiemens
HK$161.19
Each
units
Panel Mount Pull to Reset - 22mm - - - - - Latching - Mushroom No SIRIUS ACT
RS Stock No. 690-6960
Mfr. Part No.84-5040.0020
BrandEAO
HK$232.47
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. 831-7870
Mfr. Part No.AVW301-R
BrandIdec
HK$364.36
Each
units
Panel Mount Twist to Reset NC 22.3mm - - - - IP65 - - Mushroom No -
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$604.72
Each
units
Surface Mount Pull to Reset 2NC - - - - - IP66 - - Mushroom No -
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