The MDE45-4FP-5M is a 4-pole, D-coded M12 female connector from the Ethernet series. It is engineered for reliable data transmission, featuring a rugged housing of glass-filled PBT and a nickel-plated brass receptacle shell. The internal components include a polyamide insert and copper alloy contacts with gold plating to ensure signal integrity. This connector is designed to operate in a wide temperature range from -40°C to +70°C, making it suitable for use in demanding industrial automation and control applications.