Emergency Stop Switch - Omron - A22E
Best current price£96.69from Tameson UK
Best offers
Shopping.co.uk recommended and popular offers
Tameson UK£96.69Visit shop Omron Emergency Stop Switch 24Vac/Dc 40Mm A22e-M-11B - A22e7054a
Visit shopTameson UK£96.69Visit shop All Offers
2 offers from £96.69 - £425.53
View price history by clicking the chart icon.
Tameson UKOmron Emergency Stop Switch 24Vac/Dc 40Mm A22e-M-11B - A22e7054a
Free delivery in 1–3 days
£96.69
Visit shop
Product Information
Full details
This guide is for industrial control system integrators and maintenance professionals who need reliable safety solutions. The Omron A22E Emergency Stop Switch offers robust push-lock, turn-reset functionality for immediate circuit interruption, ensuring operational safety. A key consideration is its specific power supply requirement of 24 VAC/DC for operation.
All features
| Series | A22E |
|---|---|
| Model Part Number | A22E-M-11B |
| Brand | Omron |
Extended Product Information
FAQs
What voltage does this emergency stop switch operate on?
This Omron A22E emergency stop switch operates on a 24 VAC/DC power supply.
What does IP65 rating mean?
An IP65 rating means the switch is protected against dust ingress and is protected against low-pressure water jets from any direction.
How do I reset the emergency stop button?
The emergency stop button is reset by turning the red actuator clockwise.
What types of contacts does this switch have?
This switch features both SPST-NO (Normally Open) and SPST-NC (Normally Closed) contacts, offering flexibility for safety circuit design.
Can this switch be used outdoors?
Yes, with its IP65 rating, it is suitable for outdoor control panels where protection against dust and water splashes is required.
What is the diameter of the actuator?
The actuator has a diameter of 40mm.
Is this switch suitable for general-purpose push buttons?
No, this switch is specifically designed as an industrial-grade emergency stop button for safety-critical applications.
Troubleshooting
Switch does not activate the circuit.
Verify the wiring connections for both the SPST-NO and SPST-NC contacts. Ensure the 24 VAC/DC power supply is connected and functional. Check if the actuator is properly engaged with the switch mechanism.
Switch cannot be reset (turn-reset mechanism stuck).
Ensure no foreign objects are obstructing the mechanism. Check for physical damage to the actuator or reset sleeve. If damage is present, the unit may need replacement.
Poor contact reliability or intermittent operation.
Inspect the wiring terminals for corrosion or loose connections. Ensure the operating environment does not exceed the IP65 protection limits. Internal contacts may be worn if the unit has seen extensive use.
Pros and Cons
Pros
- Reliable and robust industrial-grade construction.
- Easy to operate under emergency conditions.
- Versatile contact configuration (NO/NC) for safety circuits.
- Durable against dust and water ingress (IP65).
- Clear visual indicator (red button) for emergency status.
Cons
- Requires a specific 24 VAC/DC power supply.
- Not suitable for non-industrial or cleanroom environments without additional protection.
- Reset mechanism requires a deliberate twist, which might be a slight delay in some scenarios.
- Limited to basic emergency stop functionality; does not include other control features.
Setup, Compatibility & Care
Setup:
- Ensure the control panel has a suitable 24mm mounting hole.
- Mount the switch securely into the panel, ensuring a snug fit.
- Wire the SPST-NO and SPST-NC contacts according to your safety circuit design and the operational voltage of 24 VAC/DC.
- Connect the actuator to the switch body.
Compatibility:
- Compatible with control systems requiring a 24 VAC/DC signal for emergency stop circuits.
- Designed for panel mounting within standard industrial enclosures.
Care:
- Clean the exterior with a dry or slightly damp cloth. Avoid abrasive cleaners.
- Periodically check the actuator for smooth operation and the housing for any damage.
- Test the emergency stop functionality regularly as part of safety protocols.