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Electronic Control Panel | Q3ST

Supplier: Zenit

Star/delta electromechanical control panel for 3 three-phase pumps.

Price Guide: POA


  • Input voltage 3 ~ 50/60 Hz 400V ± 10%
  • 400/24 transformer for auxiliary circuits
  • Very low voltage input for command from pressure switch or float switch
  • Input for command from pressure switch or float switch protecting against dry running
  • 230/24 V transformer for auxiliary circuits
  • 3 selectors for AUTO-OFF-MANUAL motor operation (standard)
  • Blue light for power on (standard)
  • 3 green lights for motor running (standard)
  • 3 red lights for motor protection alarm (standard)
  • 3 24V AC line contactors, AC3 duty
  • 3 24V AC star contactors, AC3 duty
  • 3 24V AC delta contactors, AC3 duty
  • 3 adjustable star-delta changeover timers 0-30"
  • Thermal relays for overload protection on every motor with internally resettable adjustable scale
  • Motor protection fuses
  • Auxiliary circuits protection fuse
  • Main switch with door lock
  • Metal housing
  • IP55 protection rating

Zenit electromechanical and electronic control panels are suitable for the management of any submersible electric pump, from 0.37 to 55 kW, single-phase, three-phase or star/delta.

They are designed for use with float switches and level gauges.

The vast array of standard products is accompanied by customised panels designed to meet specific customer needs.

All internal wiring is done in an extremely rational and clear manner. The connection cables are identified with numbered labels for easy reference to the wiring diagram and to facilitate any interventions by technical personnel. The attention given to the assembly translates into a qualitatively better product in which there is a lower risk of faults and malfunctions.

Every control panel in created in compliance with the current standards with regard to electrical constructions. All control panels come with complete documentation, electric diagrams and CE declaration of conformity.