The HC AA with Safety Switch Accessories-Additional Hinge is an electronic part that is series HP manufactured by Pizzato. It is designed to be a Safety switch and features a hinge, allowing the switch to be open and closed. This part’s main purpose is to protect personnel and equipment from exposure to moving machine parts, electric arcs, and reduce the risk of fire. The mounting position is flexible, so there is no need for extra installation work. It has the following characteristics: one-pole instantaneous circuit breaking, two-pole instantaneous circuit breaking, six or seven switches depending on the model, a "maximum" of 4A, and it has an IP65 degree of protection. It is also shock, vibration and heat resistant.