EATON M22S-B Blanking Plug 216390, Black, 22.5mm Mounting Hole, IP66/IP67/IP69K

The EATON M22S-B blanking plug delivers IP69K-rated front protection, sealing unused 22.5 mm control panel openings against high-pressure washdowns, dust, and ingress. This black plastic cap from the M22 series maintains panel integrity in the harshest industrial environments.

Overview

The M22S-B is a genuine Eaton component engineered for reliability and longevity. Designed to close unused mounting holes in control panels and enclosures, it prevents contamination and maintains a clean, professional appearance. Its flat bezel sits flush with the panel surface, while the front panel mount installation requires no additional hardware. The plug is part of the comprehensive Eaton M22 range, ensuring compatibility with a wide array of industrial pushbuttons, pilot lights, and switches.

What stands out

• Robust front protection rated IP66, IP67, and IP69K — ideal for food & beverage, pharmaceutical, and outdoor applications
• High-grade plastic construction resists corrosion, chemicals, and impact
• Wide operating temperature range from -25 °C to +70 °C, with storage capability from -40 °C to +80 °C
• Certified to CE, UL, and CSA standards, complying with IEC/EN 60947 and VDE 0660
• Flat bezel style offers a sleek, low-profile finish
• Simple front panel clip-in installation saves assembly time

Technical details

• Product Type: Blanking Plug
• Series: Eaton M22
• Mounting Hole Diameter: 22.5 mm
• Color: Black
• Material: High-grade Plastic
• Front Protection Rating: IP66, IP67, IP69K
• Rear Protection Rating: IP20
• Operating Temperature: -25 to +70 °C
• Storage Temperature: -40 to +80 °C
• Overall Diameter (Front): 29.7 mm
• Overall Depth: 9.5 mm
• Standards: IEC/EN 60947, VDE 0660
• Certifications: CE, UL, CSA
• RoHS: Compliant

Our verdict

When a 22.5 mm hole needs sealing, the EATON M22S-B blanking plug is the definitive choice. Its exceptional IP69K rating, durable plastic body, and broad certification coverage make it a dependable component for any control panel requiring protection against water, dust, and extreme conditions.