ABB M251021P4 Pushbuttons module

The ABB M251021P4 is a 4-row pushbutton module designed for the ABB Welcome™ M doorbell system, meeting the needs of calling up to 8 apartments or users through 4 physical pushbuttons, each supporting single or double calls. The module is ideal for townhouses, small apartments, multi-department offices or small and medium-sized access control systems.

The product has an anodized aluminum front, providing high weather resistance and vandal resistance. The modular design makes it easy to integrate with audio, camera or name display modules in the same system, creating a flexible and expandable door access solution.

Outstanding features

• 4 rows of pushbuttons, supporting 4–8 calls depending on the configuration (each button serves 1–2 people).
• Integrated LED backlight for easy use at night.
• Modular design allows flexible system assembly and expansion.
• Anodized aluminum surface: elegant, durable, anti-oxidation and corrosion.
• Easily change the user/apartment name label on each button.
• Stable connection and operation in all weather conditions.
• Compatible with ABB standard recessed mounting frames.