Test button for emergency lights with their own battery supply PTN12. 1 changeover contact 16A/250V AC. 230 V LED lamps up to 200W, incandescent lamps 2300W. Release delay adjustable between 10 and 180 minutes. Standby loss only 0.5 watts. Modular device for mounting on DIN-EN 60715 TH35 mounting rail. 1 division unit = 18mm wide, 58mm deep. Supply voltage 230V, 50/60Hz. Release delay 10, 20, 30, 40, 50, 60, 90, 120, 150 and 180 minutes adjustable with rotary switch. When the supply voltage is present, the green LED lights up. For further information, see the operating instructions.