The Hirschmann MSP40-28-2A, configurator code MSP40-00280SCY999HHE2A, is a modular full Gigabit Ethernet industrial DIN rail switch from the MSP40 family, offering a 28-port configuration for network engineers who need higher port density modular switching with 10 Gigabit uplinks and IEC 62443-4-2 Security Level 2 compliance in industrial environments. Manufactured by Hirschmann, a Belden brand, the MSP40-28-2A runs HiOS Layer 2 Advanced software and provides 24 Gigabit Ethernet ports alongside four 2.5 Gigabit ports and two 10 Gigabit uplink ports in a fanless 391 x 148 x 142 mm chassis consuming 21.5 W from 24 V DC and operating between 0 °C and +60 °C. Switching features include QinQ double VLAN tagging, DiffServ ingress and egress classification and policing, IGMP Snooping and Querier per VLAN for v1/v2/v3, QoS to 802.1D/p with queue shaping, Jumbo Frames, Voice VLAN, Private VLAN, and storm protection. Redundancy covers HIPER-Ring as both ring switch and over link aggregation, MRP per IEC 62439-2 as client and manager, RSTP, MSTP, LACP, Sub Ring Manager, link backup, and redundant network coupling. The security suite meets IEC 62443-4-2 Security Level 2 and includes 802.1X, Secure Boot, signed firmware, RADIUS, TACACS+, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard, LDAP, time-based ACLs, and user account locking. Industrial profiles cover PROFINET, EtherNet/IP, Modbus TCP, and IEC 61850, and management is available via SNMP v1/v2/v3, HTTPS, SSH, OPC-UA Server, and CLI with SD card and USB auto-configuration. Certified CE, FCC, cUL508, and NEMA TS2, the MSP40-28-2A is a strong fit for large-scale factory automation, energy infrastructure, railway, and process industry networks. Available from Recab, your Nordic partner for Hirschmann industrial switch solutions.