● Controlling the direct start and halt of the electromotor
● Protecting the motor from overload and phase failure
● Used in remote making and breaking circuit and frequently starting and controlling motor
Instruction of type code
Technical specifications
● Type: 3SQ1
● Standards: IEC 60947-4-1, IEC 60439-1
● Rated working current (A): 09, 12, 18, 25, 32, 40, 50, 65, 80, 95
● Rated operational voltage Ue (V): 690
● Rated insulation voltage Ui (V): 690
● Rated impulse withstand voltage Uimp (kV): 8
● Rated frequency (Hz): 50/60
● Control (2 pushbuttons mounted on enclosure cover): 1 green Start button “I”; 1 red Stop/Reset button “O”
● Enclosure:
3SQ1-09/12/18 Double insulated, degree of protection IP65;
3SQ1-25/32 Double insulated, degree of protection IP55;
3SQ1-40/50/65/80/95 Metal, degree of protection IP65
● Electrical life (× 10 times): 5
● Mechanical life (× 10 times): 50
● The model of matched AC contactor: 3SC8
● The model of matched thermal relay: 3SR8
● Ambient air temperature (ºC): -5 to +40, max. 95 % humidity
● Storage temperature (ºC): -40 ~ +75
● Maximum operating altitude (meters): 2000
Selection and ordering data
Outline and installation dimensions
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