Dry Gas Seal Booster Model: 434SDH315-B803-CTDLLMNXY Motor assembly used for hydraulic actuation, present in the Fuel Routing System. The system has a range of components such as sensors, meters, motors, actuators, among others. Ex marking for mechanical protection: Ex h IIA T3 Gc (-10°C ≤ Tamb ≤ +40°C) Types of protection considered for the assembly: Construction Safety “c” and Source Ignition Control “b”.