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VQ51, enclosed direct-on-line (DOL) starters

● 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.
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Technical specifications

  • 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: VQ51-09/12/18 Double insulated, degree of protection IP65;

               VQ51-25/32 Double insulated, degree of protection IP55;

               VQ51-40/50/65/80/95 Metal, degree of protection IP65

  • 5 Electrical life (× 10 times): 5

  • 5 Mechanical life (× 10 times): 50

  • Matched AC contactor: VC51

  • Matched thermal overload relay: VTR51

  • Ambient air temperature (ºC): -5 to +40, max. 95 % humidity

  • Storage temperature (ºC): -40 ~ +75

  • Maximum operating altitude (meters): 2000

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