WEG SSW-06 series soft-starters are micro-processor controlled, fully digital and designed with state-of-the art technology. Excellent acceleration and deceleration control is achieved with an optimized cost to benefit ratio. The HMI allows easy programming during commissioning and operation. The built-in “Pump Control” function gives optimized pre-set pump application parameters, avoiding “Water Hammer”.

Alternate, centrifugal pumps (sanitation, irrigation and oil), fans exhausters, blowers, air compressors, refrigeration (screw and piston), mixers, aerators, centrifuges, rock crushers, grinders, woodchippers, paper refiners, rotary ovens, wood saws and planes, ball and hammer mills and load conveyors.

  • 32 Bits RISC high performance microcontroller;
  • Electronic motor protection;
  • Removable Human Machine interface with double display (LED/LCD);
  • Fully programmable control methods;
  • Totally flexible torque control;
  • “Kick-start” function for high break-away torque
  • “Pump control” function for intelligent control of pumping systems;
  • Avoids “water hammer” in pumps;
  • Current peaks limits on the power supply;
  • Voltage drop limits during starting;
  • Voltage Range (220 to 575Vac and 575 to 690Vac)
  • The control board power supply has EMC filter (94 to 253 Vac);
  • Built-in bypass up 820A, providing size reduction and saving
  • Back-up memory of motor protection thermal image
  • Voltage and current unbalance protection
  • Over / under voltage and current protection
  • Input for motor PTC;
  • Reduction of mechanical stress;
  • Reduction of stress over couplings and transmission devices;
  • Increase the lifetime of the motor and mechanical equipment of the driven machine;
  • Easy operation, programming and maintenance via Keypad;
  • Simplified electrical installation;
  • Oriented start-up;
  • Possibility for standard three leads or inside delta size cable connection
  • All protection and function available for both types of connection (unique in the market)
  • Serial or fieldbus communication errors protection;
  • Operational environment up to 55°C


  • Alternate centrifugal pumps ( sanitation, irrigation and oil)
  • Fans
  • Exhausters
  • Blowers
  • Air compressors
  • Refrigeration (screw and piston)
  • Mixers
  • Aerators
  • Centrifuges
  • Rock Crushers
  • Grinders
  • Woodchippers
  • Paper Refiners,
  • Rotary Ovens,
  • Wood Saws and planes,
  • Ball and Hammer Mills
  • Load Conveyors

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