The LAPP ETHERLINE ACCESS NF04T is a managed industrial Ethernet switch designed for reliable network connectivity in demanding industrial environments. This switch features robust construction with industrial-grade components that ensure stable operation in challenging conditions, including temperature variations from -40 °C to +75 °C and high vibration environments. With multiple Ethernet interfaces supporting standard industrial protocols, the NF04T provides flexible network configuration options for automation systems, manufacturing facilities, and process control applications. The managed functionality allows for comprehensive network monitoring, traffic prioritization, and remote configuration capabilities. Built with industrial durability standards, this switch offers enhanced electromagnetic compatibility and electrical isolation to maintain network integrity in electrically noisy environments. The compact housing measures approximately 100 mm in width, 120 mm in depth, and 30 mm in height, making it suitable for space-constrained installations. Weighing approximately 500 g, the device features DIN rail mounting for easy integration into standard industrial control cabinets. Operating on a 24 V DC power supply with wide input voltage tolerance, the switch maintains consistent performance during power fluctuations. The ETHERLINE ACCESS NF04T supports various network topologies, including star, ring, and line configurations, providing flexibility for different industrial network architectures. With its industrial certification compliance and robust design, this managed switch delivers reliable Ethernet connectivity for critical industrial automation and control systems requiring stable data transmission and network management capabilities.