MainsPro is essential to avoid supplying your electricity into an islanded grid, leading to possible equipment damage or safety issues 

• Certified according to Enel requirements, IEC 60255 and VDE 0126-1-1
• Applicable for requirements of G59/2, G77, G83 and PPDS/P4
• Universal AC and DC power supply
• Unique combination of Vector Shift and ROCOF in one unit
• Positive and negative voltage for sensitive detection of asymmetry
• Remote operation using binary switches and relay outputs
• Indication of site conditions during trip
• Flexible application (1 or 3-phase, 120/230/400 VAC)
• For more technical details, kindly see the datasheet

MainsPro is a 100% replacement for the successful product NPU-FUV.