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. 609-2673
Mfr. Part No.ZB4BT84
PHP1,569.18
Each
units
Panel Mount Pull to Reset - - - - - - IP66, IP67, IP69, IP69K - - Mushroom No Harmony
RS Stock No. 123-8167
Mfr. Part No.XB5AS8444
PHP1,923.40
Each
units
Panel Mount Turn to Release 2NC 22.5mm - - 550 mA @ 125 V dc, 6 A @ 120 V ac 2P IP66, IP67, IP69, IP69K Latching 600 V ac/dc Mushroom - Harmony
RS Stock No. 847-5184
Mfr. Part No.M22-PV
BrandEaton
PHP1,350.46
Each
units
Panel Mount Pull to Reset - 22.5mm - - - - IP66, IP69K - - Round No -
RS Stock No. 528-0992
Mfr. Part No.3SB3201-1HA20
BrandSiemens
PHP1,863.37
Each
units
Panel Mount Twist to Reset NO/NC 16mm - - 10 A - IP66 - - Mushroom No Signum
RS Stock No. 742-9271
Mfr. Part No.3SB3801-2DG3
BrandSiemens
PHP3,248.04
Each
units
Surface Mount Twist to Reset NC - - - - - IP67 - - Mushroom No -
RS Stock No. 874-1677
Mfr. Part No.3SU1000-1HR20-0AA0
BrandSiemens
PHP5,202.20
Each
units
Panel Mount Key Reset - 22mm - - - - - Latching - Mushroom with Key Switch No SIRIUS ACT
RS Stock No. 757-9095
Mfr. Part No.A22EL-M-24A-02
BrandOmron
PHP3,965.23
Each
units
Panel Mount Twist to Reset 2NC - - No - DPST IP65 - - Mushroom Yes -
RS Stock No. 185-542
Mfr. Part No.CEPY1-1002
BrandABB
PHP2,571.43
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. 609-2623
Mfr. Part No.ZB4BS834
PHP1,667.50
Each
units
Panel Mount Twist to Reset - 22mm - - - - IP66, IP69, IP69K - - Mushroom No Harmony
RS Stock No. 861-4610
Mfr. Part No.A22E-M-12-EMO
BrandOmron
PHP3,461.73
Each
units
Panel Mount Twist to Reset 2NC - - No 10 A DPST IP65 - 440 V Mushroom No -
RS Stock No. 815-3054
Mfr. Part No.XB7NS8445
PHP3,235.80
Each
units
Panel Mount Twist to Reset NO/NC 22.5mm - - 1.5 A - IP20, IP65 - 250 V Round No Harmony
RS Stock No. 757-9061
Mfr. Part No.A165E-LS-24D-01
BrandOmron
PHP3,439.71
Each
units
Panel Mount Twist to Reset NC - - No - SPST IP65 - - Mushroom Yes -
RS Stock No. 177-276
Mfr. Part No.XB6AS9349B
PHP2,670.84
Each
units
Panel Mount Key Reset NO/2NC 16mm - - 220 (dc) mA, 3 (ac) A TPST IP65 - 240 V ac, 250 V dc Mushroom No Harmony
RS Stock No. 259-946
Mfr. Part No.LBX10510
BrandBACO
PHP2,540.63
Each
units
Surface Mount Twist to Reset NC - - - - - IP66 - - Mushroom No -
RS Stock No. 810-3804
Mfr. Part No.M22-PV/K11
BrandEaton
PHP2,382.24
Each
units
Panel Mount Pull to Reset NO/NC 22.5mm - - - DPST IP66, IP69 - - Mushroom No RMQ Titan
RS Stock No. 757-8897
Mfr. Part No.1SFA611523R1001
BrandABB
PHP1,414.50
Each
units
Panel Mount Twist to Reset - 22mm - no - - IP20, IP66 - - Mushroom No Compact
RS Stock No. 619-4858
Mfr. Part No.EMS/T/SS/NC69
PHP11,661.93
Each
units
Surface Mount Pull to Reset NC - - - 16 A - IP65 - - Round No -
RS Stock No. 832-6164
Mfr. Part No.HW1B-V5F02-R
BrandIdec
PHP2,817.74
Each
units
Panel Mount Twist to Reset 2NC 22mm - - 10 (ac) A, 8 (dc) A - IP65 - 440 V Round No -
RS Stock No. 795-1299
Mfr. Part No.XALK1781
PHP2,830.90
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. 492-7347
Mfr. Part No.CE3T-10R-11
BrandABB
PHP1,277.40
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
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