WEG SSW-04 Soft-Starter User's Guide

The WEG SSW-04 Soft-Starter is a microprocessor-controlled device that regulates the starting current of three-phase induction motors. This prevents mechanical impacts on the load and current peaks on the supply network. It is designed for various applications.

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WEG SSW-04 Soft-Starter User's Guide | Manualzz

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Key features

  • Microprocessor Controlled
  • Regulates Starting Current
  • Protects Load from Impacts
  • Reduces Current Peaks
  • Adjustable Parameters
  • HMI Interface
  • Multiple Control Options
  • Safety Features
  • Thermal Protection
  • Overload Protection

Frequently asked questions

The nominal operating temperature range is 0°C to 40°C (32°F to 104°F).

The maximum altitude for nominal conditions is 3,300 ft (1000m). Above this altitude, there is a 10% current reduction for each 3,300 ft (1000m) increase.

Refer to Table 3.1 in the manual for specific recommendations based on the rated current of the Soft-Starter.

The Soft-Starter is fitted with electronic protection against motor overloads. This protection needs to be set according to the specific motor.

Ultra-Rapid fuses are used for SCR protection in the event of a short circuit. They are recommended to protect the Soft-Starter from damage.
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