Button, 1-pin. Normally open contact with separate signal contacts for lamps, A 250 V ~, WG 600 with spring terminals for rigid conductors up to 2.5 mm2 Connection terminals in accordance with DIN VDE 0632 (EN 60669) 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).