The Binder-USA part 99-0079-100-04 is an M9 IP40 Male cable connector designed for reliable and secure electrical connections. With 4 contacts that accommodate wire diameters ranging from 3.0mm to 4.0mm, this unshielded connector is perfect for various applications. It is easily soldered, ensuring a strong and durable connection. The IP40 rating certifies its protection against dust and solid objects, making it suitable for indoor use.