DIN EN 50131-1 VDE 0830-2-1:2021-07
Alarm systems – Intrusion and hold-up systems
Part 1: System requirements;
                                German version EN 50131-1:2006 + A1:2009 + A2:2017 + A3:2020
                                Class/Status:
                                Standard,
                                    valid
                                                                    Released: 2021-07
                                    
                                                                VDE Art. No.: 0800721
                                                            

