M50S-01 Three Phase DC Meter with AMI capabilities M52S-01 Three Phase CT Meter with Full AMI capabilities AISTAN M53Z Three Phase DC type Ultra Smart Modular Energy Meter AISTAN M54Z Three Phase CT, CT/VT Operated Ultra Smart Modular Energy Meter AISTAN M56Z 3 Phase Ultra Smart, Modular Energy Meter (DC Type) AISTAN M57Z 3 Phase Ultra Smart, Modular Energy Meter (CT, CT/VT Type)
