Eaton M22 Emergency Stop Operator Guard Ring, Yellow Button

Eaton M22 Emergency Stop Operator Guard Ring, Yellow Button

The Eaton M22 Emergency Stop Operator Guard Ring is a purpose-built accessory for the Eaton M22 pilot device series, sized to fit the standard 22.5 mm mounting hole used across M22 pushbutton stations. Finished with a high-visibility yellow button surround, this guard ring is designed to shield the emergency stop operator from unintended contact, reducing the risk of accidental activation on the plant floor. Rated IP66, NEMA 4X, and NEMA 13, it is built to hold up in washdown, corrosive, and dusty industrial environments while keeping the emergency stop function fully accessible when it is actually needed.

Key Features

• Trade Size: 22.5 mm mounting size, matched to the Eaton M22 pilot device footprint for direct fit on standard operator panels.
• Guard Ring Protection: Special guard ring feature surrounds the emergency stop operator to help prevent accidental activation from incidental contact.
• Button Color: Yellow finish for immediate visual identification of the emergency stop function, consistent with standard machine-safety color conventions.
• Environmental Rating: IP66, NEMA 4X, and NEMA 13 rated for protection against dust ingress, washdown water exposure, and corrosive environments.
• Series Compatibility: Part of the Eaton M22 series, engineered to integrate with existing M22 pushbutton and pilot device installations.
• Operator Type: M22 Emergency Stop Operator configuration for reliable, code-compliant machine stop control.

Certifications & Compliance

• CSA Certified
• Bureau Veritas Compliance
• IP66 Rated for Dust and Water Ingress Protection
• NEMA 4X and NEMA 13 Rated Enclosure Compatibility

Technical Specifications

• Series: M22
• Product Type: Pushbutton Operator
• Size: 22.5 mm
• Special Features: Guard ring
• Button Color: Yellow
• Environmental Rating: IP66, NEMA 4X, NEMA 13
• Certifications: CSA Certified
• Compliances: Bureau Veritas

Typical Applications

• Emergency Stop Pushbutton Stations
• Industrial Machine Safety Control Panels
• Panel-Mounted Operator Interfaces
• Washdown and Wet-Location Installations
• Control Panels and HMI Enclosures
• Renovation and Retrofit of Existing M22 Pilot Device Stations

Why Eaton?

Eaton engineers the M22 pilot device line for dependable, code-compliant performance in demanding industrial environments, and this guard ring extends that reliability to emergency stop stations that need extra protection against accidental activation. With IP66, NEMA 4X, and NEMA 13 ratings backed by CSA certification and Bureau Veritas compliance, it is built to maintain safety-critical function in washdown, corrosive, and dusty conditions. For electrical professionals standardizing on the M22 platform, this guard ring is a straightforward way to reinforce emergency stop integrity without replacing existing pilot device hardware.