Omron A22E Series, Twist Release, Emergency Stop Push Button Head 30mm Diameter

The A22E series emergency stop switch is supplied as a complete or sub-assembled unit and can be installed in a 22mm or 25mm diameter hole. The switch unit can easily be mounted without the use of tools.

Direct opening mechanism to open the circuit when the contact welds
Safety lock mechanism prevents operating errors
Easy mounting and removal of Switch Blocks using a lever
Mount three Switch Units in series to improve wiring efficiency (with non-lighted Switch Units, three Units can be mounted for multiple contacts)
Finger protection mechanism on Switch Unit provided as a standard feature
Install using either round, or forked crimp terminals
Non-lighted models IP65 (oil-resistant), lighted models IP65
A lock plate is provided as a standard feature to ensure that the control box and switch are not easily separated

Non-lighted, 818-2009, 861-4616, 757-9089, 549-479, 841-1809 & 861-4610 (with Emergency Off legend)
Lighted, without voltage reduction unit, 757-9092 & 757-9095

Non-lighted, 746-7154 & 746-7163

Non-lighted 746-7166 & 746-7157
Lighted 746-7150

Without voltage reduction unit, 861-4629 & 861-4622
With voltage reduction unit, 861-4626

LED lamp, Red, 24 Vac/dc, 861-4635
Emergency Stop legend plate, 60mm dia. 757-9109
Emergency Off legend plate, 60mm dia. 746-7160
Control Box, yellow, 1 hole, 746-7179
E-Stop Shroud with Emergency Off legend, yellow, 746-7172
E-Stop Shroud, yellow, 746-7176 (no spacers) & 746-7185 (2 spacers)

UL508 C22.2 No.14, EN60947-5-1 & EN60947-5-5 (certified direct opening mechanism), GB14048.5, EN60947-5-1.

UL, cUL, TUV, CCC.

This emergency stop push button head is designed for critical safety applications within industrial environments. Featuring a robust 22mm cutout diameter, it provides immediate emergency action with its trusted twist release mechanism. The device is constructed from durable plastic and conforms to IP65 standards, ensuring effectiveness even in challenging conditions.

• Twist release mechanism enhances user safety during emergency situations
• Compact design suitable for 22mm and 25mm panel cutouts
• Quick installation with a lock lever for secure fitting
• Non-lighted variant reduces electrical consumption and maintenance needs
• Vibration resistant terminals ensure reliable performance in industrial settings

• Used in emergency stop circuits for machinery and equipment
• Ideal for installation in control panels and safety systems
• Suitable for automation and manufacturing settings requiring quick response
• Can be applied in electronic safety devices for plant operations

It is essential to use a 22.3mm diameter panel cutout for installation. Ensure that the panel thickness is between 1 to 5 mm and that a rubber washer is present for optimal sealing.

The IP65 rating indicates protection against dust ingress and water spray, making the push button suitable for use in environments with moisture and contaminants.

The design includes vibration-resistant terminals and robust materials, ensuring longevity and reliability even under demanding operational conditions. Regular maintenance checks help sustain optimal performance.

Emergency Stop Pushbutton