Power Analyser UMG508Supply voltage 44 - 130V (50 / 60Hz), 48 - 180V DC, Installation category: 300V CATIII4 voltage measurement inputs (L - N: 10V - 600V, LL: 18V - 1000V, 40Hz-70Hz), Measurement category: 600V CATIII, Measurement in three-phase 4-wire systems up to 417V / 720V, Measurement in three-phase 3-wire systems up to 600V, Measurement range LN: 10 - 600V, 40 - 70Hz Measurement range LL: 18 - 1000V: 40 - 70Hz4 current measurement inputs for current transformers ../1 or ../5A Measurement category: 300V CATIII Measurement range: 0.001..7.4Arms8 digital inputs, 5 digital outputs,Data memory: 256MB Flash,Interfaces: RS485, Profibus DP V0, Ethernet 10/100 BaseTX,Accessories: - Item no.: 5219301, 2 mounting brackets - Item no.: 0801505 Cross-patch cable, CAT5e, 2m,- Item no.: 3303092, Installation and commissioning instructionsProgramming software 'GridVis Basic' download: www.janitza.de/gridvis-download.html