Button, 1-pin. Normally open contact 250 V ~, with label field, IP 44, WG 600 with label field 17 x 72 mm with spring terminals for rigid conductors up to 2.5 mm2 connection terminals in accordance with DIN VDE 0632 (EN 60669) switch in OFF position can be illuminated by lamp item no.: 90 or 95 (230 V), 96-.. (low voltage) or LED lamp item no.: 90-LED.. (230 V) or 961248 LED.. (low voltage).