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RTI series electrothermal relay is an electrical switching device with its own power consumption. The RTI series electrothermal relay is designed to protect electric motors from overload, phase asymmetry, delayed start, and rotor stalling. It is installed directly on KTI and KMI series contactors. To protect against short circuits, fuses or circuit breakers with a corresponding rated tripping current must be provided.
Complies with GOST R 50030.2 requirements.
Weight
≤ 0.9 кг
Height
100.0 мм
Height
100.0 мм
Flexible cable 1 or 2 wires-add. contact
1-4
Flexible cable with ferrule, 1 conductor - auxiliary contact
1-4
Flexible cable with ferrule, 2 conductors - auxiliary contacts
1-2.5
Depth
146.0 мм
Aux. contact - tightening torque
1.5
Rigid cable without ferrule, 1 or 2 conductors - additional contact
1-4
Release class
Class 10
Climatic version
U3
Number of auxiliary NO contacts
1
Number of auxiliary changeover contacts
0
Number of auxiliary break contacts
1
Number of poles
3
Max. tightening torque of main circuit terminals
15
Rated impulse voltage
8 кВ
Rated voltage
230; 400; 660 В
Rated insulation voltage Ui
1000 В
Operating frequency
0-400
Adjustable current range at
90 А
Adjustable current range from
63...90 А
Mounting method
Direct mounting / single arrangement
Operating temperature from
from -25 to +55 град.C
Main electrical circuit connection type
Screw connection
aM fuse current
100
Fuse current qG
160.0
Width
104.0 мм
0
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