UL 508A Standard covers industrial control panels intended for general industrial use, operating from a voltage of 1,000 V or less. This equipment is intended for installation in ordinary locations, in accordance with the National Electrical Code, ANSI/NFPA 70, where the ambient temperature does not exceed 40 °C (104 °F). The EISW series consists of five-, eight- and 16-port 10/100 Mbps Ethernet switches that can be DIN-rail mounted in control panels and powered from a NEC Class 2 limited energy power source. The EISW switches are UL-listed as Information and Communication Technology Equipment under safety standard UL 62368-1 and can be installed in a UL 508A panels without invalidating the control panel listing. The EISW series supports plug-and-play operation and requires no configuration.