for connecting 1 wind sensor article no. D 940 WS, series-mounted device, 36 mm wide (2 HP), supply 24 V DC, own consumption 10 mA, switching threshold adjustable in 8 steps 3 to 10 (corresponds to approx. 3.6 m/s to 24 m/s), switch-on delay approx. 10 sec. switch-off delay approx. 10 min. after falling below the next lowest wind force, potential-free relay output, changeover contact, switching capacity 230 V AC, 2 A or max. 50 V DC, 0.5 A