DIN EN 62053-21 VDE 0418-3-21:2017-09
Electricity metering equipment (a.c.) – Particular requirements
Part 21: Static meters for active energy (classes 1 and 2)
                                (IEC 62053-21:2003 + A1:2016); German version EN 62053-21:2003 + A1:2017
                                Class/Status:
                                Standard,
                                    withdrawn
                                                                    Released: 2017-09
                                    
                                                                VDE Art. No.: 0400237
                                                            


                                