The WECO ELEC. CONN. part 120-D-111/18 is a terminal block plug that provides secure and reliable electrical connections. It features 18 poles and is suitable for a wire range of 26 to 12 AWG. With a current rating of 10A and a voltage rating of 300V, this terminal block plug is capable of handling various electrical applications. It has a 5mm pitch, making it compatible with standard-sized terminal blocks. This high-quality plug is designed to provide efficient and durable connections, ensuring optimal performance in electrical systems.