✅ ABB 2CLA211900N1801 – Buzzer – 1M – Anthracite This ABB component (Part No.: 2CLA211900N1801) is a Buzzer designed for 1M modular systems with a refined anthracite finish. It ensures clean integration and dependable functionality within ABB's wiring accessories range. Ideal for modern residential and commercial installations requiring structured communication and signaling solutions. Technical Specifications: • Part Number: 2CLA211900N1801 • Description: Buzzer • Module Size: 1M • Color: Anthracite • Application: ABB modular wiring systems