RTI thermal electrical relay is designed for protecting electric motors from overload, phase unbalance, overcrank condition and rotor jamming.
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: 55...80
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: 80
Fuse current qG: 125.0
Nominal rated voltage: 230; 400; 660
Rated insulation voltage Ui: 1000
Rated surge voltage: 8
Operating frequency: 0-400
Max torque of main circuit clamps: 15
Number of poles: 3
Flexible cable 1 or 2 wire-to-wire: 1-4
Flexible cable with tip 1 wire dop contact: 1-4
Flexible cable with tip 2 wire dop contact: 1-2,5
Additional terminal - Tightening torque: 1.5
Ambient temperature: от -25 до +55
Width: 104.0
Height: 100.0
Depth: 146.0
Weight: ≤ 0,9.
To ensure shortcircuit protection, the unit should be supplied with fuses and modular circuit breakers intended for the correspondent value of rated actuating current.
It is installed directly onto KTI and KMI AC contactors.
RTI thermal electrical relay is designed for protecting electric motors from overload, phase unbalance, overcrank condition and rotor jamming
