Power supply Plug & Light Intended use Ballast for switching and dimming light attachments from the Plug & Light system Connection to switches, switch inserts with relay contact, electronic switch inserts (phase-cut principle, item no.: 1704 ESE), LED dimmer 2-wire (phase-cut principle) and LED dimmer 3-wire (phase-cut principle) Compatible dimmers: 1710 DE, 1711 DE, 1730 DD, 1731 DD, 1724 DM, UD 1755 REG, FM UD 420250 REG, FM UD 5500 REG, FM UD 20250 UP, 3901 REGHE, 3902 REGHE, 39004 1S R Installation in device box with dimensions according to DIN 49073 Product features Automatic detection of the plugged-in light attachments Safe extra-low voltage SELV DC