U3062 - Star-delta start control box for 3 pumps.

Command and protection of pumps used in hydropneumatic centrals or for pumping systems with 2 pumps.

  • 735x535x270 mm (<32A) or 835x635x300 mm (>32) grey RAL 7035  polyester box.
  • Circuit breakers/Overload relays and Contactors of the requested trademarks.
  • General power switch.
  • Alternating relay for command of alternance and simultaneity.
  • Module for alarm command and signaling.
  • Sequence phase/Failure relay for protection of phase failure and phase exchange.
  • Timer for regulation of operation period in Star mode.
  • Automatic, manual or OFF functioning, controlled in each of the pumps independently by a 3 position switch.
  • Connection with reduced tension (12V) for remote Start/Stop remonte command of the motors (pressure-switch, float-switch or other)(P11-P12, P21-P22, P31-P32).
  • Connection with reduced tension (12V) for general safety remote connection (C11-C12) (pressure-switch, float-switch or other).
  • Connection with reduced tension (24V) for individual safety remote command (C21-C22, C31-C32, C41-C42).
  • Connection with reduced tension (12V) for remote alarm Start/Stop command (C51-C52)(pressure-switch, float-switch or other).
  • Command circuit protection by a fuse.
  • Protection of the power circuit against short-circuits and overcharges through a circuit breaker.
  • Indication of phase presence on the command circuit (yellow signal lamp).
  • Indication of motor ON (green signal lamp).
  • Overload trip indication (red signal lamp).
  • Alarm ON individual indication (red signal lamp).
  • Indication of phase change or phase failure (red signal lamp).
  • 16 cable glands for connection cables.


Order codes

9 ~ 14 A
13 ~ 18 A
17 ~ 23 A
20 ~ 25 A
24 ~ 32 A
28 ~ 41 A