The SEL-2730M Managed 24-Port Ethernet Switch is designed for the harsh environments commonly found in the energy and utility industries. The switch supports communication infrastructure built for engineering access, supervisory control and data acquisition (SCADA), and real-time data communications, while offering the same reliability found in SEL protective relays. The SEL-2730M meets or exceeds the IEEE 1613 (Class 2), IEC 61850-3, and IEC 60255 industry standards for vibration, electrical surges, fast transients, extreme temperatures, and electrostatic discharge in communications devices in electrical substations.