UMG 508 - Overvoltage category - 600 V CAT III
UMG 508 - Three-Phase Network Analyzer with a nominal voltage of up to 417/720 V AC. Power supply voltage: 95-240 V AC, 80-340 V DC. Flash memory capacity: 256 MB. Interfaces: RS 485, Profibus DP, Ethernet, and GridVis software.