Ambient temperature: -40 - +65°C (+80°C for max. 2 hours). DIN-approved units: -25 - +65°C (+80°C for max. 2 hours). Max. working pressure = 17 bar Max. test pressure = 20 bar Contact load, AC: AC1: 16 A, 400 V AC3: 16 A, 400 V AC15: 10 A, 400 V Max. starting current (L.R.): 112 A, 400 V Contact load, DC: DC13: 12 W, 220 V control current