✅ ABB 2CLA222120N1901 – Cover plate - KNX 1/2-gang sensors - 2M – Champagne The ABB cover plate - knx 1/2-gang sensors - 2m (Part No.: 2CLA222120N1901) is a 2M modular cover plate engineered for KNX smart home sensor modules. Available in an elegant champagne finish, it provides protection and seamless integration with 1/2-gang or 2/4-gang KNX sensors. Technical Specifications: • Part Number: 2CLA222120N1901 • Description: Cover plate - KNX 1/2-gang sensors - 2M • Module Size: 2M • Color: Champagne • Application: Covering and protecting KNX smart sensor interfaces in home and building automation systems