Three-phase pumps with soft starter – CBS

Progressive startup and shut-down are fitted with soft starters to prevent problems caused by water hammering or sudden start-up and shut-downs.

Main Advantages:

  • Thermal memory memorizes the heating and cooling cycles of the motor.
  • Automatic reset for well filling and adjustable from 2 to 75 minutes.
  • Indication of tripping cause.
  • Control point for pressure switch, buoy, programmer…
  • Metal case.
  • Includes: circuit breaker 3P or 3P+N, PF electronic relay, contactor, LED’s, and on/off switch.

Protections Functions

  • Dry running by monitoring cos φ
  • Overload with thermal memory
  • Phase loss/imbalance
  • Incorrect phase sequence
  • Short-circuit
  • Soft start
  • Soft stop


Without Level Sensors

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    • Equipment with halogen-free wiring
    • Other voltages under request

    *Models available in metalic box