The CUTLER HAMMER/EATON part 8373K151 is a high-quality switch key lock with a tubular key design. This switch has a DPDT (Double Pole Double Throw) configuration, allowing for versatile electrical connections. It has a maximum current rating of 6A, making it suitable for various applications. With a voltage rating of 125VAC and 250VDC, this switch can handle both AC and DC loads efficiently. The solder lug terminals provide secure and reliable connections, while the panel mount design ensures easy installation. This switch key lock is a reliable and durable option for controlling electrical circuits securely.