Schneider Electric ZB4BS844 | Flush Momentary Pushbutton Head – 22mm, Black, Harmony XB4 Series Overview The Schneider Electric ZB4BS844 is a black flush momentary pushbutton head from the Harmony XB4 series, designed for use in 22mm diameter control and signaling units. Built with industrial-grade durability, it's perfect for control panels requiring a robust and ergonomic operator interface. Key Features Head Type: Flush pushbutton Operation: Momentary (spring return) Color: Black Mounting Diameter: 22mm Material: High-strength plastic with metal bezel Actuation: Finger pressure Mounting Type: Front mounting with collar and contact block (sold separately) Compatibility: Fits Harmony XB4 series control stations Technical Specifications Model Number: ZB4BS844 Series: Harmony XB4 Mounting Hole Size: 22mm Color: Black Action Type: Momentary, spring return Degree of Protection: IP66, IP67, IP69, IP69K (when properly installed) Operating Temperature: -40°C to +70°C Standards Compliance: IEC 60947-5-1, UL, CSA, CE Material: Metal front ring with plastic body Weight: Approx. 0.03 kg Applications Industrial Control Panels: Start/stop or manual override operations Machine Control Stations: Operator interface in automation systems HVAC Systems: Local manual control of units OEM Equipment: Durable and ergonomic for repeated use Why Choose ZB4BS844? Heavy-Duty Design: Built to withstand harsh industrial environments Easy Integration: Fits standard 22mm panel cutouts Reliable Operation: Spring return ensures consistent actuation Hygienic and Sealed: Suitable for use in food & beverage and washdown environments Order Now Available now with fast worldwide shipping. Contact us for compatible contact blocks, mounting collars, and enclosures to complete your assembly.
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