Lambda switch for installation in flush-mounted box or on chassis, 2 NO contacts for 10 A / 250 V AC, max. switching capacity at 230 V AC: AC1 2500 VA, AC15 500 VA, incandescent and halogen lamps 800 W, fluorescent lamps compensated 360 W, fluorescent lamps uncompensated 400 W, energy-saving lamps 200 W, LED (230 V AC) 200 W, LV halogen lamps or LED with electronic ballast 200 W, LV halogen lamps or LED with conventional ballast 400 W, switching sequence: off off/off on/on on contact material AgNi, coil data 230 V AC, 4.5 VA, 6250 Ohm, relay protection class: IP 20