✅ ABB 2CLA211900N1901 – Buzzer – 1M – Champagne The ABB buzzer (Part No.: 2CLA211900N1901) is a high-quality modular component finished in champagne, suitable for 1M mounting systems. Designed to meet international standards for reliability, it integrates seamlessly with ABB’s modular electrical accessories. Technical Specifications: • Part Number: 2CLA211900N1901 • Description: Buzzer • Module Size: 1M • Color: Champagne • Application: ABB modular wiring and power outlet systems