This 2 / 4-pole RCD meets DIN VDE 0664 Part 1. It records AC and pulsating DC. Test symbols: VDE, ÖVE, SEV, CEBEC, SEMKO, NEMKO, DEMKO, FIMKO, KEMA. Un = 230 Vac with 2-pole,. Un = 230 Vac / 400 Vac with 4-pole., Liczba styków = 4P, Prąd znamionowy = 40 A