Front panel sealing :  
IP65 and IP67 acc. to IEC 60529
Salt spray : IEC 512-6, test 11f
Operating temperature : -20 °C to +65 °C  (-4 °F to +149 °F)
Max. current/voltage rating with resistive load : 2 A 24 VDC
Initial contact resistance : 100 mΩ max.
Insulation resistance : 100 MΩ min. at 500 VDC
Dielectric strength : 500 Vrms
Electrical life at full load : 1,000,000 cycles