**Product Description: 5pcs 22mm Black Self-Locking Push Button Switch - 37V-440V** - **Secure Self-Locking Function** Equipped with a self-locking mechanism and a high protection grade, these push button switches ensure your safety during operation. - **Durable Construction** Made from high-quality engineering plastic, these switches are wear-resistant, sturdy, and built to last, providing reliable performance in demanding environments. - **Color Variety** Choose from six different colors to perfectly match your specific needs and preferences, offering flexibility and customization. - **Versatile Voltage Range** Designed to accommodate a wide voltage range from 37V to 440V, these switches provide convenience and adaptability for various applications. - **Compact and Lightweight Design** With their small size and lightweight nature, these switches are easy to install and convenient to use, making them ideal for space-saving applications. Enhance your control systems with these reliable and versatile self-locking push button switches, combining safety, durability, and ease of use.