- Operating temperature: -40 to +80°C.- Environment: IP65- salt spray resistant- 10mm terminals.- Main circuit:Maximum operating capacity: 1800 A ,for 5 sec.Continuous operating capacity: 300 A.Control circuit:12 V model:Coil voltage: 12 VT Main circuit max. voltage: 48 V Operating voltage: 11.2 to 13.5 V Inrush current: 5.5 ACHold current: 0.521 AT Switch-on voltage : ≥, at 9 V Tripping voltage: ≤, at 5 VModel 24 V:Coil voltage: 24 V Max main circuit voltage: 48 V Operating voltage: 21.6 to 30 V Inrush current: 2.7 AC Holding current: 0.15 AT Switching voltage : ≥, at 16 VT Tripping voltage: ≤, at 9 V115 x 80 x Height. HT 148 mmWeight : 1.3 Kg