The ZB4BG2K2142A key switch is a high-quality front element specifically designed for use with key switches from the ZB4 series. With a diameter of 22.5 millimeters, this product offers a compact and user-friendly solution for controlling electrical systems. The key switch features an elegant chrome finish that is not only aesthetically pleasing but also ensures high resistance and durability. It has two operating levels and allows for easy operation with a key, providing additional security. The front element is made of metal, which emphasizes its robustness. It is important to note that this product is not compatible with smart home systems. The key switch is delivered as a single unit and is designed without a locking mechanism, allowing for flexible application. This product is ideal for various applications where secure and reliable control is required.