Releu termic RTI-3357 37-50A

RTI thermal electrical relay is designed for protecting electric motors from overload, phase unbalance, overcrank condition and rotor jamming. It is installed directly onto KTI and KMI AC contactors. To ensure shortcircuit protection, the unit should be supplied with fuses and modular circuit breakers intended for the correspondent value of rated actuating current. Correspond to the requirements EN 60947-1, EN 60947-4-1, EN 60947-5-1.High accuracy of operation. Convenient adjustment. Wide range.Adjustable current range: 37...50 Mounting method: EV008930 Connection type main current circuit: EV000415 Number of auxiliary contacts as normally closed contact: 1 Number of auxiliary contacts as normally open contact: 1 Number of auxiliary contacts as change-over contact: 0 Release class: EV008931 Fuse current aM: 63 Fuse current qG: 100.0 Nominal rated voltage: 230; 400; 600 Rated insulation voltage Ui: 660 Rated surge voltage: 6 Operating frequency: 0-400 Tightening moment: 9 Additional terminal - Tightening torque: 1.2 Additional terminal - Overcurrent protection - pre-ocher gG: 5 Additional terminal - Thermal resistance current In: 5 Ambient temperature: от -45 до +55 Section of flexible cable connection without tip: 4-35 Section of flexible cable connection with tip: 4-35 Width: 70.0 Rigid cable connection section: 4-35 Height: 76.0 Depth: 116.0 Weight: 0,51 Additional terminal - Section of connect