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Eaton RMQ-Titan Push Button - 225528

Eaton RMQ-Titan Push Button - 225528

This black round emergency button (mushroom) from Eaton Moeller's RMQ-Titan series has only 1 func...

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Product Information

Full details

This guide is for industrial and commercial users requiring a robust emergency stop solution. The Eaton RMQ-Titan M22S-PV pushbutton offers a reliable and visible STOP function, crucial for safety. Its primary caveat is its single function, making it unsuitable for complex control sequences. Key features include its IP67 rating for protection against dust and water, a pull-to-release mechanism, and a standard 22mm mounting hole.

All features

SeriesRMQ-Titan
Model Part Number225528
BrandEaton

Extended Product Information

FAQs

What does the IP67 rating mean for this emergency button?

The IP67 rating indicates that the button is protected against dust ingress (the '6') and can withstand immersion in water up to 1 meter deep for a specified time (the '7'). This makes it suitable for challenging industrial environments.

How do I reset the emergency stop button after it has been activated?

The Eaton M22S-PV is designed with a pull-release mechanism. After activation, you must firmly pull the red mushroom head outwards to reset the button and restore power to the controlled equipment.

Is this button self-latching?

Yes, this is a latching emergency stop pushbutton. Once pressed, it will remain in the depressed (activated) state until manually reset by pulling the head.

What size hole is needed for installation?

The button requires a standard 22mm diameter mounting hole in the control panel or enclosure.

Does this product come with the necessary electrical contact blocks?

No, the Eaton M22S-PV is the actuator unit only. You will need to purchase compatible Eaton RMQ-Titan contact blocks separately and attach them to the rear of the actuator to complete the circuit.

Can this button be used for functions other than emergency stop?

No, this specific model (M22S-PV) is designed exclusively as a single-function emergency stop (STOP) button. It is not intended for other control functions like start or selection.

What is the warranty period for this product?

Warranty information is typically provided by the seller or distributor. Please refer to your purchase documentation or contact your supplier for specific warranty details.

Troubleshooting

Button does not reset when pulled

Ensure no foreign objects are obstructing the mechanism. Check that the correct reset action (pulling) is being applied. Verify that the internal latching mechanism is not damaged.

Electrical circuit not breaking when button is pressed

Verify that the correct type of contact block (normally closed) is installed and properly wired. Check all electrical connections for tightness and continuity. Ensure the contact block is fully seated on the actuator.

Button feels stiff or difficult to operate

Clean the exterior of the button, paying attention to the area around the mushroom head and the seal. Avoid forcing the button, as this could damage the internal mechanism. If stiffness persists, consider replacing the unit.

IP rating seems compromised (water ingress)

Inspect the front seal and the seal between the actuator and the panel. Ensure the rear mounting nut or ring is tightened securely to maintain compression. Replace any damaged seals.

Pros and Cons

Pros

  • High IP67 rating ensures durability in wet or dusty conditions.
  • Clear, large red mushroom head for immediate visual identification of the emergency stop.
  • Reliable pull-to-release mechanism prevents accidental resets.
  • Standard 22mm mounting simplifies installation into most control panels.
  • Robust plastic construction offers good resistance to environmental factors.

Cons

  • Single-function design (STOP only) limits its use in complex automation.
  • Not suitable for applications requiring non-latching or momentary stop actions.
  • Requires manual reset, which might not be ideal for all automated processes.
  • No built-in display or status indicators.

Setup, Compatibility & Care

Setup:

  1. Mounting: The button requires a 22mm diameter hole in a control panel or enclosure. Ensure the panel material is suitable for mounting.
  2. Wiring: Connect the appropriate electrical contacts (not included with the actuator) to the rear of the button mechanism according to your safety circuit requirements.
  3. Securing: Once wired, secure the button assembly to the panel, typically with a locking ring or nut.

Compatibility:

  • Mounting Diameter: Designed for standard 22mm mounting holes. Ensure compatibility with your existing panel cutouts.
  • Contact Blocks: This is an actuator only. Compatible Eaton RMQ-Titan contact blocks (normally open, normally closed) need to be purchased separately and attached to the rear.
  • Series Integration: While part of the RMQ-Titan series, it can be integrated with other standard 22mm control components.

Care:

  • Cleaning: Wipe the exterior with a slightly damp cloth. Avoid abrasive cleaners or solvents, especially around the button face and seal.
  • Environment: While IP67 rated, prolonged immersion or exposure to high-pressure water jets should be avoided. Ensure seals are intact.
  • Inspection: Regularly inspect the button for any signs of damage, such as cracks in the plastic or a stiff mechanism. Test the functionality periodically.

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